BRESSER Nebula EXOS-2 EQ Goto Mount

Parallactic mount with a reinforced tripod and the modern Nebula Goto system

  • Stable equatorial mount with tripod and a powerful Goto system
  • Load capacity of up to 13 kg
  • Height-adjustable tripod ranging from 108 cm
  • Stepper motors with high resolution
  • Belt-drive system for smooth tracking
  • Integrated Raspberry Pi with 2x USB-3 ports, 2x USB-2 ports, and 1x Ethernet port
  • Operable via smartphone or tablet (iOS and Android)
  • Small hand box included for manual corrections
  • Control of external peripherals such as cameras, filter wheels, motor focus etc. possible
  • Controllable via ASCOM/Alpaca or INDIE with any current popular software

€1,295.00*

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Product number: 4964860
GTIN/EAN: 4007922095417
WEEE-Reg.-Nr.: DE 34716369

With BRESSER, you can enjoy a smooth introduction to the vast world of astronomy. Our detailed information ("Telescope Guide") provides valuable tips for beginners—but even experienced astronomers can use the information we provide (e.g., tables for the geographical latitude of all major world cities) as a reference.

Here is the table of contents of the comprehensive BRESSER Telescope Guide:

Sky Guides by Bresser

The Sky Guide provides comprehensive information on constellations, planetary positions, and astronomical events – perfect for planning your observations and delving deeper into astronomy.
Visit the guide directly here to make the most of your observations!
Product information "BRESSER Nebula EXOS-2 EQ Goto Mount"
Discover the possibilities and forge new paths with the Nebula EXOS-2 Goto Mount!

Mount and Tripod
The BRESSER EXOS-2 is a stable mount with a high load capacity and precise tracking for visual observations and astrophotography. Double radial groove ball bearings in both axes ensure precise, smooth motion, and the RA axis bearing has been optimized to reduce backlash. Additionally, the tripod is reinforced to further suppress vibrations. The BRESSER EXOS-2 can be loaded with up to 13 kg of optics for purely visual use depending on the length and purpose!

Nebula: the powerful and flexible Goto system
With the new Nebula Goto system, set off for new astronomical shores. This system offers several control options.

You can operate the mount directly via its own Nebula control interface using your smartphone or tablet (iOS and Android supported). Alternatively, you can also use a planetarium software such as SkySafari.

Manual control remains an option as well. For this, a hand box for minor corrections or simple control commands is included.

Furthermore, with the BRESSER Nebula Goto Kit, you can connect your laptop or PC directly via WIFI or LAN cable (recommended for faster data transfer) to the Nebula control unit. This not only gives you full control over the mount but also allows you to connect various devices such as cameras, motor focus, filter wheels, etc. directly to the control unit via various USB ports. This eliminates the need to connect each device to your computer via cables. The pre-installed program KStars / EKOS lets you comfortably control all devices from your PC or laptop.

Electronic polar alignment or guiding can also be easily achieved with the Goto Kit, provided you have a camera connected. You are also not limited to the software of the Nebula control unit. Thanks to the installed ASCOM Alpaca driver, you can use your own programs on your computer to control the mount - whether it's Stellarium or N.I.N.A. The two stepper motors with a belt drive ensure a smooth, direct drive of the two axes. It's only important to have a good balance.



FEATURES EXOS-2 MOUNT

  • Stable parallactic mount with fine drive in both axes
  • Ball bearings in both axes for more precise movements
  • Sturdy height-adjustable stainless steel tripod (Min. 69 cm / Max. 109.5 cm)
  • Load capacity of up to 13 kg
  • Spirit level for easy horizontal alignment
  • Polar height scale for setting the latitude
  • Polar scope with optional lighting (item no. 4964212)
  • Tripod weight: 4.7 kg
  • Mount weight: 5.6 kg (without counterweight)
  • Total weight including counterweight: 14.8 kg
  • Batteries: not included


FEATURES GOTO SYSTEM

  • Belt drive for a more precise, quieter tracking
  • Stepper motors with high resolution (0.36´/microstep)
  • Hand control box for direct control of the mount
  • Virtual hand control box for smartphones and tablets
  • PC control – ASCOM compatible
  • USB ports for cameras, motors, filter wheels etc.


SCOPE OF DELIVERY

  • BRESSER EXOS-2 Mount
  • Polar finder scope with optional illumination
  • Stainless steel field tripod with accessory tray
  • 1x 4.5-kg counterweight
  • 2 stepper motors for the axes (RA and DEC)
  • Raspberry Pi control unit
  • Basic handbox
  • 230V / 12V / 3 A power adapter
  • Connection cable
  • Manual for download
Batteries included: false
Batteries required: true
Encoder: false
GPS: false
Goto: false
PEC correction: false
Power supply unit included: false
Product Family [Telescopes Accessories]: Nebula
Smartphone app: false
WiFi: false

Produkt- und Sicherheitshinweise


Manufacturer: 
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede

Contact: 
www.bresser.de


Warning notes
  • General warning instructions DANGER! RISK of bodily injury! Never look directly at the sun or near the sun through this device. There is a risk of blindness! Sharp-edged and pointed tools are often used with this device. Therefore, store this device and all accessories and tools in a place inaccessible to children. There is a RISK of injury! Children may only use the device under supervision. Keep packaging materials (plastic bags, rubber bands, etc.) away from children! There is a risk of suffocation! FIRE HAZARD! Do not expose the device – especially the lenses – to direct sunlight! The light concentration could cause fires. NOTE! Do not dismantle the device! In case of a defect, contact your dealer. They will contact the service center and may send the device in for repair. PRIVACY PROTECTION! The telescope is intended for private use. Respect the privacy of others – for example, do not use this device to look into apartments!

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With the BRESSER portable power supply, you won't need to worry about running out of power when you're out and about. Ideal for smartphones, tablets and laptops, the high-performance 88.8 Wh lithium-ion rechargeable battery will get your devices up and running again in no time. The portable power supply also comes with all standard connections, including five USB outputs, a DC output and an AC output. Weighing just 1.04 kg, the power supply has an ultra-lightweight design - perfect for excursions and on-the-go use. Eco-friendly power solution With the BRESSER power supply, you won't need to worry about finding a socket when you're out camping, relaxing by the lake or on a hike. What's more, the built-in battery takes just 5 hours to fully charge. Thanks to its silent design, it offers an eco-friendly alternative to power generators fuelled by combustion engines. You can also harness energy from the sun: instead of using the supplied adapter, you can connect an optional solar charger (not included) to charge the built-in battery. Another practical feature is the ultra-bright built-in LED, which can be used as a torch when you're out and about or during a power cut at home. In addition to 3 brightness levels, the light also features an SOS mode. Discover the BRESSER portable power supply - your compact and lightweight companion for powering your everyday needs! FEATURES Power: 88.8 Wh, 6 Ah / 14.8 V Small and compact design: 165 x 80 x 117 mm Lightweight design: approx. 1.04 kg High-performance lithium-ion battery Charging time (for full charge): Approx. 5 hours Recharges via adapter or optional solar module (not included) USB outputs: 2 x USB 5 V / 2.4 A, total: 4.8 A max. 2 x USB 5-12 V / 2 A QC 3.0 (18 W max., total: 5 V / 3.4 A max.) 1 x USB-C 5 V / 3 A, 9 V / 2 A, 12 V / 1.5 A (PD 2.0 18 W max.) DC output: 12-16.8 V / 10 A, total 13 A max. AC output: Modified sine wave output; AC voltage: 100/110/120/220/230/240 V/AC ± 10 %, output frequency: 50/60 Hz ± 10 % Large LED light with SOS function Protected against short circuits, overcurrent, overvoltage undervoltage, overload and overheating PACKAGE CONTENTS Portable power supply Power adapter Micro USB cable Instruction manual

€149.00*
BRESSER Micro Motion Head MH-100 (Polar-Wedge)
Tripod head with fine adjustment for fast and precise pole height adjustment of the BRESSER StarTracker Astrophoto Mount PM-100 art. no. 4964120. The BRESSER Micro Motion Head MH-100 allows a very precise adjustment by using large dimensioned knurled screws. In order to keep the adjustment distances by using the knurled screws as small as possible, the mounting plate has a quick-release clamping device with toothing in order to be able to select a rough presetting of the pole height (latitude at the location). The Micro Motion Head MH-100 can be mounted on any photo tripod with 1/4 inch photo thread closure. The BRESSER StarTracker astrophoto mount can then be mounted on the MH-100 tripod head without the use of tools using a 1/4" photo thread screw. The complete  motion head is made of black anodized aluminum and guarantees highest stability by the use of solid material. The knurled screws with fine pitch thread are even made of stainless steel and guarantee a long durability and corrosion resistance. Ideal for optimizing tracking accuracy in astrophotography. IMPORTANT NOTE: Can also be used as a stable adjustment element of a telescopic sight in astrophotography. Parallel alignment of the main telescope and the guide telescope is thus also possible quickly and precisely. Base plate connection: 3 x 1/4 inch photo thread with 35.0 mm hole spacing. Mounting plate connection: 2 x M8x1.25 thread with 35.0mm hole spacing. FEATURES Compact micro motion head with fine adjustment Functions as a so-called polar-wedge For precise adjustment of polar alignment (EQ mode)Mounting plate with quick-release clamping device and toothingCan be used with any photo tripod and 1/4inch thread adapterMade of black anodised aluminium and stainless steel Quick and easy to use deviceSuitable for BRESSER StarTracker Astrophoto Mount PM-100 Suitable for BRESSER tripod TP-100 DX  Also ideal as an adjustment element of an auto-guiding scopeFor parallel alignment of main telescope and guiding telescope Base plate connection: 3 x 1/4 inch photo thread; hole spacing 35.0mm Connection mounting plate: 2 x M8x1.25mm thread; drilling distance 35,0mm SCOPE OF DELIVERY Micro Motion Head MH-100 Instruction manual

€99.00*
BRESSER Photo mount with field tripod and wedge
Do you already own a photo camera and would like to create impressive pictures of the night sky with the help of the long exposure or even make time-lapse pictures with little effort ? The BRESSER photo mount is the ideal base. Not only for beginners in astrophotography, this mount is particularly well suited, but also the experts swear by a compact and easy-to-use mount to automatically compensate for the natural rotation of the earth. The built-in tracking motor rotates the saddle-mounted camera precisely against the earth's rotation and thus the stars remain punctiform even with long exposures. Which cameras are basically suitable for use with the BRESSER photo mount ? All cameras with ¼ inch (6.3mm) tripod connection thread and bulb length" B "for long exposure are suitable. The BRESSER photo mount is designed for a camera with lens of max. 2.5 kg total weight to carry and track. Large aperture, wide-angle lenses are ideal for the beginning, because the requirements for tracking accuracy accumulate with increasing focal length and exposure time. Thus, a shot with wide-angle lens can be exposed for up to several minutes and the stars remain punctiform without problems. For example, with a 200mm telephoto lens the polar alignment of the photo mount must be exactly right. But thanks to the optical pole finder, this is done quickly.  After setting up the light and compact photo mount, simply set the approximate latitude (pole height) to the scale and aim Polaris through the illuminated pole finder scope. Then mount the camera with the photo lens using the quick-release plate on the supplied ball head. With the ball head, the camera can be aligned and determined at any time on any section of the sky. As soon as the tracking motor is switched on, long-time exposure can be started immediately. This does not even take 5 minutes ...  The tracking is carried out by a precise stepper motor, which can also be moved via the hand box with 2- or 32-fold speed in forward and reverse. Thus, the sky section can be adjusted even more precisely. Low power consumption allows up to 50 hours of operation with just one battery charge.  The height-adjustable stainless steel tripod with polar wedge is an extremely stable base for the BRESSER photo mount. Thanks to the integrated circular level in the tripod head even the leveling of the photo mount is child's play. If you already own a sturdy photo tripod with a video tilt head you can use the photo mount's head directly with the 1/4 inch & 3/8 inch photo thread holes. The pole height (latitude) is then adjusted by the video tilt head. The photo-mount and the tripod with polar wedge are also available separately - Product No.: 4964111 and 4964112   FEATURESEquatorial Photo-MountAdjustable stainless steel field tripod with polar wedge and bubble levelAutomatic siderial tracking against the Earth rotation Handbox to control the tracking motors (2x/32x)Suitable for northern and southern henisphereOptical pole finder scope with illumination unit includedBallhead with quick release saddle plate and 1/4" Photo thread for Kamera mountingPhoto-Mount with 3/8" threaded bolt for ballhead mountingPhoto-Mount with 1/4" und 3/8" inner threads for tripod mountingHigh precision stepper motor with helical gear for accurate tracking Large screws and handles for easy usage at night  Battery operation or stabilized power adapter (optional acc.) Battery life: up to 50 hoursPower connector at handbox: 6 volts DC jack 5.5/2.5mm (positive pole at center pin)Weight Photo-Mont with ballhead: 1.4 kg Weight tripod with polar wedge: 3.5 kgLoad capacity of Photo-Mount: up to 2.5 kg Height of camera sattle plate max. 140 cmSCOPE OF DELIVERYFoto-Mount headTracking motor with HandboxUltra-stable stainless steel field tripod with bubble levelBallhead with quick release saddle plate Pole finder scope with illumination unitBattery compartment 6 volts with case (no D-batteries included)Manual   

€468.00*
BRESSER Counterbalance 2.0 kg for EXOS-1 + 2
Additional counterweight to balance heavy accessories etc.FEATUREScolor matched with the Bresser EXOS-1/2 seriessuitable for counterbalance bar with 20mm diameterSCOPE OF DELIVERY1x counterbalance 2.0kg

€29.90*

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EXPLORE SCIENTIFIC Telescope Case ED-APO & AR 127s/152s
Your telescope is much more than an observation aid. It is your personal pathway to the stars, and protecting it while it is in storage or transit should be a priority. Designed specifically for the ED127, ED127CF, AR127s and AR152s, this soft-sided carrying case offers that ideal combination of protection and portability. Inside, the light gray colored nylon features multiple adjustable velcro compartments designed to carefully cradle and easily organize your scope, eyepieces and accessories. The padded polyester outer shell has reinforced back and sides, a shoulder strap with Explore Scientific embroidered logo pad and hand straps for grab-and-go convenience. The case's interior measurements are 110 x 29 x 20 cm. Weight is 1,8 kg.FEATURESSoft-sided carrying caseProtection and organization of your scope and accessoriesIdeal combination of protection and portabilityMultiple adjustable velcro compartmentsShoulder strap with Explore Scientific embroidered logo padNo shifting between compartmentsReinforced back and sidesKeeps the contents safe Interior measurements are 110 x 29 x 20 cm, Weight is 1,8 kgExterior measurements are 115 x 34 x 24 cm SCOPE OF DELIVERYaccessory soft case with protective dividers

€119.00* €149.00* (20.13% saved)
BRESSER Dovetail rail 200mm for Messier (Vixen/GP)
This dovetail rail is suitable for mounting on BRESSER MESSIER 6 , 8 and 10 inch Dobson telescopes. The dovetail rail is manufactured according to the GP standard and therefore these Dobson telescope tubes can be used on any telescope mounting with the appropriate carrying capacity. The prism rail is 200mm long and therefore offers sufficient clearance for secure mounting on the telescope mount. In combination with the optionally available carrying handle Art. No. 4940150, these Dobson telescope tubes can also be easily transported because the carrying handle is mounted in the centre of gravity of the telescope. This dovetail rail is also suitable as spare part for all other MESSIER telescopes with 200mm dovetail rail. FEATURESdovetail rail (GP) for 6, 8 and 10 inch MESSIER Dobson telescopeswhen using these telescope tubes on EQ mountsthe assembly is carried out on the original tube ringsalso suitable as spare part for MESSIER telescopes with 200mm prism railassembly material and tools includedlength: 200mm; width: 45 mm; height: 16 mmbore spacing: 160 mm; Bore diameter: 6.5 mm SCOPE OF DELIVERYdovetail rail (GP)mounting screws (2 pieces; 1/4 inch)hex wrench tool (3/16 inch)

€29.00*
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BRESSER Camera Adapter 1.25/2" with T2
Adapter 2" with brass locking ring for 1,25" eyepieces. The integrated T2 thread adapts DSLR or astro-cameras (*appropriate T2 ring for your camera model needed). On the telescope side there is a 2" filter thread M48x0.75, which allows the easy use of colour and nebula filters.SCOPE OF DELIVERYCamera Adapter 

€31.00* €39.00* (20.51% saved)
BRESSER Counterbalance 4,5kg for EXOS-2/EQ5
Additional counterweight to balance heavy accessories etc.

€39.90*

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BRESSER Nebula 5 EQ/AZ Wifi-Network Mount
The new BRESSER Nebula 5 EQ/AZ Wifi-Network Mount is a precise and quiet telescope mount – ideal for astrophotography. The controller box offers numerous central connectivity options for various accessories such as cameras, filter wheels, and motor focusers via USB (2.0/3.0), simplifying the setup of a professional astrophotography machine. BRESSER has relied on innovation coupled with quality Made in Italy for this top-notch product. The manufacturer's long experience in mount construction guarantees a high-end device with first-class functionality and utmost reliability. Additionally, the in-house development team in Italy ensures quick response times in technical support and the adaptation of new device drivers. Truly, "Professionals at work!" The mount is controlled via pre-installed web-app software, accessible via WIFI and Ethernet cable connection. The philosophy behind the Nebula GoTo system is to provide the user with a control system independent of a standard PC, which can be remotely controlled via a smart device such as a mobile phone or tablet. However, this does not exclude the traditional use of computers of all types and brands, which can be connected to the system either wired or wirelessly. The BRESSER Nebula GoTo System Controller is a Raspberry Pi 4 microcomputer, which allows complete control of the setup (mount, camera, etc...) without the need for any other external device. The BRESSER Nebula GoTo system comes equipped with all Linux-based applications required for performing all astrophotographic functions.The existing INDI environment allows for the control of almost all devices (cameras, filter wheels, rotators, etc., including observatory domes) needed for local or remote astrophotography sessions. The system also offers high flexibility for users who prefer to use traditional computer client applications such as Cart du Ciel (Star Chart), TheSkyX, SkySafari, Stellarium, and other planetarium programs as well as SGP, Nina, CCD Ciel, and other astrophotography tools. This complete compatibility is ensured through the adoption of the Alpaca communication protocol, which allows for the use of traditional ASCOM platform drivers for native INDI devices.State-of-the-art mount construction The BRESSER Nebula mounts are CNC-manufactured from stainless steel and aluminium. The sleek and functional design is courtesy of a renowned Italian mount manufacturer, who has licensed the design and now manufactures these fine BRESSER products 100%. So, look forward to a stable yet easily portable mount, which despite its light weight of only 13 kg (incl. tripod), allows for a high load capacity of up to 20 kg.Visual Observation For visual observation and direct use, control the mount with the hand control box included in the package. Alternatively, connect the Nebula 5 via WLAN directly to your smartphone or tablet and use the virtual hand control box. Of course, all adjustment parameters can also be set via the web application. The user interface is deliberately simple and clear to ensure intuitive operation.Astrophotography Here, the Nebula mount shows its full strength. Whether mobile or stationary, the capability for remote operation is crucial. Connect your laptop or PC either via WLAN or with an Ethernet cable (recommended for faster data transmission) directly to the Raspberry-Pi control unit of the mount. Then use the pre-installed Kstars/EKOS software to control the mount and all external devices such as cameras, motor focus, filter wheel, etc. Alternatively, you can also directly control the unit with your own software. Applications such as Cart du Ciel (Star Chart), TheSkyX, SkySafari, Stellarium, and other planetarium programs as well as SGP, Nina, CCD Ciel, and other astrophotography tools can be used without any issues.2-in-1 Mount with EQ and AZ Mode If required, the Nebula can be switched from the equatorial mode to the azimuthal mode. This is particularly advantageous for observing nature or tracking satellites. Thus, the mount can be used for various applications and is not limited to astronomy.Attachment of up to two optics Would you like to adapt multiple optics? No problem. Simply use the option to replace the counterweight bar with another telescope. Use the second optic as a counterweight to the main telescope. Set the Nebula 5 to azimuthal mode, remove the counterweight bar, and screw a suitable second telescope clamp directly onto the mount. FEATURES Precise and quiet telescope mount – ideal for astrophotography Extensive connectivity options for various accessories via USB Integrated web app software enables central control of all components Integrated Raspberry Pi with USB-3 ports and Ethernet port Compatible with client applications such as Cart du Ciel (Star Chart), TheSkyX, SkySafari, Stellarium Compatible with SGP, Nina, CCD Ciel, and other astrophotography tools Virtual hand control box and settings menu for smartphones and tablets PC control – ASCOM and INDI compatible USB ports for cameras, motors, filter wheels, etc. Conversion from parallactic to azimuthal mode possible Small hand box for basic functions included High load capacity and yet lightweight Mount CNC-manufactured from stainless steel and aluminium Tooth belt drive for precise and quiet tracking Load capacity: 15 kg in EQ mode and 20 kg in AZ mode Dual prism clamping for Vixen GP and Losmandy Weight of the mount: 8 kg Weight of the tripod: 5 kg SCOPE OF DELIVERY Nebula 5 EQ/AZ Mount Field tripod Central control unit with Raspberry Pi Counterweight: 6 kg (1 piece) Basic hand box Connection cables Power supply 230V/12V/3A

€2,495.00*
BRESSER Messier AR-90s/500 Optical Tube assembly
NEW – now including a high-quality aperture Solar-filter for safe observation of sunspots, eclipses and planet transits. Great telescope for night and solar observation.Excellent for entering into the hobby of astronomy: 90 mm aperture delivers 200 times more light than the naked eye! Observe craters, valleys and rims on the moon from nearly 400,000 km away just as you would look out of the window of a spaceship! The BRESSER MESSIER AR-90s does not only provide highly detailed views of the moon: Gaze at the division of the rings of Saturn millions of kilometers away or explore the Great Red Spot of Jupiter, a giant tornado in Jupiter's atmosphere. Watch the seasons on Mars and find the sickle of Venus.Richfield telescope with a short focal length of 500 mm. Suitable for traveling and to observe large open star clusters and the Milky Way. The MESSIER AR-90s gives you images that are many times brighter than the instrument Galileo Galilei was using for his famous explorations almost 400 years ago. This telescope is an optical tube without mount and tripod. CHARACTERISTICS Optical design: refractor telescopeLens diameter: 90 mm / focal length: 500 mm / F/5.5Maximum recommended magnification: 180xTelescope for night and solar observation 6x30 viewfinder with crosshair eyepiece Optimised finder mount for comfortable viewing 31.7 mm (1.25'') zenith mirror Smartphone adapter for celestial navigation includedSCOPE OF DELIVERY Optical tube 26mm Super Plössl eyepiece (31.7 mm / 1.25") 31.7 mm (1.25") zenith mirror 6x30 optical viewfinder Rotatable star map Aperture solar filter Smartphone adapter for celestial navigation Astronomy PC software Stellarium (via download)

€189.00*
BRESSER Messier AR-152L/1200 Hexafoc Optical Tube
NEW – now including a high-quality aperture Solar-filter for safe observation of sunspots, eclipses and planet transits. Great telescope for night and solar observation.For the ambitious planetary observer the BRESSER Messier AR-152L is a dream machine. View tiny dots and structures in the cloud bands of Jupiter, small rims and craters on the surface of the moon and details on Mars, including the ice-covered polar regions of our neighbouring planet. Watch Jupiter's moons dance around the planet and detect the greenish glow of Uranus far beyond Saturns orbit. The combination of large aperture and long focal length provides tack-sharp high-contrast pictures that will impress you every time anew. This telescope is only an optical tube without mount and tripod. CHARACTERISTICS Optical design: refractor telescopeLens diameter: 152 mm / focal length: 1200 mm / F/7.9Maximum recommended magnification: 254xTelescope for night and solar observation High-quality and light gathering achromatic objective lens Modern multi-coating of the lenses for a bright and high-contrast image Robust aluminium tube construction Very high quality Hexafoc focuser with 2.5" free inner diameter 8x50 viewfinder with crosshair eyepiece Optimised finder mount for comfortable viewing 31.7 mm (1.25") zenith mirror Cradle rings with handle and integrated piggyback camera holder (1/4 thread) Smartphone adapter for celestial navigation included Prism rail with stainless steel clamping surface (44 mm universal dovetail for GP/EQ5/LXD75) 50.8 to 31.7mm adapter with integrated T2 adapter (optional T2 ring required) SCOPE OF DELIEVRY Optical tube 26 mm Super Plössl eyepiece 31,7 mm(1.25'') 31,7 mm (1.25") Zenith mirror, Integrated 31,7 mm and T2 adapter Prism rail with stainless steel clamping surface Adapter for 50.8 mm (2") eyepieces 8x50 optical viewfinder Rotatable star map Aperture solar filter Tube clamp with handle and camera holder Smartphone adapter for celestial navigation Astronomy PC software Stellarium (via download)

€899.00*