BRESSER Diagonal Mirror 2" with 93% reflection

Solidly in the mid-magnification range for most amateur telescopes, the 15mm is a true workhorse for visual observers. If you love deep sky observing, eyepieces in this focal length range not only give healthy increases in magnification, but the contrast enhancement of giving a darker background sky can make all the difference of how galaxies and nebulae appear under suburban skies.Comfort, Quality, Value. The Explore Scientific 52° LER Series mid-range focal length eyepieces are excellent flat-field multi-element oculars that can transform your visual astronomy experience. With an apparent field of view of 52 degrees, these eyepieces offer incredible value in a very nice eyepiece. Expect exceptional quality and value versus a comparably priced Plossl.  These eyepieces are the choice for observers wearing glasses - with excellent performance and durability. The rubber inlet and the foldable eyecups make handling and using in the field easy. The patented EMD"-coating produces high contrast images and prevents reflexes and ghosting. The argon purging effectively prevents internal fogging, and you don´t have to deal with dirt, fungus or cleansing fluids getting between the lenses. The eyepieces are sealed - this makes sure you will be able to enjoy these eyepieces for many years to come.SPECIFICATIONSLarge eye distance, large field and great image sharpnessExcellent viewing position for people with glassesExcellent field sharpness even with fast optics52° apparent field of viewArgon-purging prevents internal fogging, the sealing facilitates cleaningPatented EMD-coating to maximize contrastBlackened lens edges to avoid reflexesAll eyepieces of this series are parfocalStainless steel barrel with conical security cutoffDust covers and protective bag includedSCOPE OF DELIVERY52° EyepieceDust coversProtective bag

If a observing session is a relaxing and joyful experience is heavily dependend on the choice of eyepieces. People wearing glasses very often have the problem to see the entire field of view when they are using eyepieces with large apparent fields. This problem is now history. The new 62°- LER eyepieces by Explore Scientific do not only offer excellent image sharpness and high resolution and contrast over the full field of view - you can see that full field without problems even with glasses on. Fatigue due to tense head positioning and strained viewing simply does not happen because of the excellent viewing comfort these eyepieces provide even to observers wearing glasses. Enjoy the unique combination of excellent image sharpness out to the edge of the field even for fast optics, superior contrast and unmatched viewing comfort. Eyepieces with perfect combinations of various modern glass substrates and highest standards in manufacturing, quality control and service are a tradition at Explore Scientific - the outstanding resolution and sharpness to the very edge.These eyepieces are the choice for observers wearing glasses - with excellent performance and durability. The rubber inlet and the foldable eyecups make handling and using in the field easy. The patentet EMD"-coating produces high contrast images and prevents reflexes and ghosting. The argon purging effectively prevents internal fogging, and you don´t have to deal with dirt, fungus or cleansing fluids getting between the lenses. The eyepieces are sealed - this makes sure you will be able to enjoy these eyepieces for many years to come.Eye relief: 11mm

Are you having trouble focusing your eyepiece or camera? Then use this 37.5 mm extension sleeve to increase the distance between the 2.5 inch HEXAFOC eyepiece extension and the eyepiece or camera. The extension sleeve has an M68x0.75 mm internal and external thread and can therefore be screwed directly onto the HEXAFOC draw tube. SPECIFICATIONSIncreases the distance to the eyepiece/cameraSuitable for 2.5 inch HEXAFOCOptical length: 37,5 mmInternal and external thread: M68x0,75 mmInside black matt coatedMaterial: aluminium, black anodizedSCOPE OF DELIVERYExtension sleeve 37,5 mm (1 piece)

Red dot finder for astronomical telescopes. This finder scope provides an easy way to align your telescope with objects in the night sky.The brightness of the dot can be adjusted via a dial.Designed for the Vixen viewfinder shoe FEATURES Weight: 185 g / 6.53 oz Battery: CR2032 Magnification: 1x 1/4" screw hole, adjustable red pointDELIVERY CONTENTLED red dot finderCR2032 battery

For astrophotography it is essential to achieve the correct focus point with great precision. With the 1:8 Gear set precision focussing is easy. The gear set can be installed easily without difficulties and upgrades a 2,5" Hexafoc to a full 2,5" Hexafoc DeLuxe.Installation video:  https://www.youtube.com/watch?v=RCnsn2o-B94&t=144s

Universally usable variable polarizing filter with a  2" filter thread.This variable polarizing filter allows for a continuous adjustment of the image brightness. This is very helpful to level strong differences in contrast of different observation objects individually. Particularly for lunar and planetary observations but also for solar observations this filter prevents an outshining of details.Solar observations ONLY together with an adequate solar filter !!! Particularly when a Herschel wedge is used and with large objective lens apertures the use of the variable polarizing filter can reduce the brightness of the observation object to a confortable level. The large adjustment range of 40% to 1% light transmission and the neutral grey filter effect create a comfortable and unadulterated image.The handling is very simple. The desired filtering level is set by turning the two sides of the housing against each other.A 2.0" filter thread on both sides (female/male) allow for the simultaneous use of additional colour filters.FEATURESvariable polarizing filterindividually adjustable image brightnessmade from high-quality optical glassblack anodized aluminium housing2.0" filter thread on both sidesSCOPE OF DELIVERYpolarizing filterprotective box

Diagonals provide a user-friendly observing position for refractors and Cassegrain telescopes. The Explore Scientific 2" Diagonal Mirror here is precision machined from aluminium and contains carbon fibre parts. The large eyepiece port diameter of 2"(50.8mm) is ideal for modern wide angle eyepieces and a non-marring brass compression ring holds the eyepiece in place securely. The dielectric coating of the mirror delivers 99% reflectivity and is very durable against environmental influences. A step-down reducer to 1.25"(31.8mm) is included, so all of your 1.25" eyepieces and accessories can also be used.FEATURES Star diagonal mirror for focuser with 2" barrel High quality flat mirror Dielectrical mirror coating delivers 99% reflectivity Very durable against environmental influences Brass eyepiece clamping ring Housing completely made of metal Dust caps included WHAT'S INCLUDEDdiagonal mirror dust caps

Explore Scientific 82° Series™ extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics. The visual effect of these eyepieces with their long eye-relief and their 82° apparent field is truly a full-immersion experience. Your eye is relaxed, allowing you to easily use the "averted vision" technique to study faint details across a huge field-of-view. The 82° Series eyepieces come with a twist-up rubber eye-guard that raise to the desired height for the comfort of the observer, and as experienced astronomers know, eye comfort is critical when trying to observe at the visual limits of the telescope. To keep internal reflections to a minimum, all internal surfaces of the eyepiece barrel are flat black, as well as the edges of the lenses themselves to minimize the scattering of light within the lenses themselves. All 82° Series eyepieces are fully multi-coated and edge-blackened to produce maximum contrast.

An optimal set for ambitious astrophotographers: the BRESSER Messier NT203s/800 Telescope with EXOS-2 PMC-Eight GoTo Mount. With its short f/3.9 focal ratio, this 203-mm telescope with a parabolic primary mirror allows deep sky imaging with short exposure times. The large 85 mm secondary mirror ensures optimal field illumination, while the high-quality 2.5" Hexafoc focuser enables vignetting-free photography. The modern mount impresses with its precise GoTo control and easy operation via the ExploreStars app, ensuring accurate tracking and intuitive sky navigation. The Telescope The BRESSER Messier Newton Telescopes have established themselves as reliable workhorses for astrophotography in recent years. With the Messier NT203s/800 with Hexafoc, we present the latest generation of these devices. The photo-Newton with a parabolic primary mirror and a fast focal ratio of 203 mm (8") f/3.9 enables deeper exposures in the same amount of time. The large 85 mm secondary mirror guarantees optimal field illumination, and the high-quality 2.5" Hexafoc focuser ensures vignetting-free photography. The tube rings with a 44-mm universal dovetail bar and handle with camera mounting option, along with an excellent bright crosshair finder, round out this high-quality device.The focuser can also be upgraded with a 10:1 reduction gear (Art. No.: 0625720). For pinpoint star imaging, the optional HR Coma Corrector (Art. No. 0510330) can be used. This is designed for both visual and photographic use, significantly improving image quality, especially in the outer areas of the field. The Mount The EXPLORE SCIENTIFIC EXOS-2 PMC-Eight GoTo Mount is equipped with a modern and highly precise GoTo control system. It consists of a robust Wi-Fi controller unit that provides all necessary interfaces. The NEMA-11 stepper motors are directly connected to this unit via cable, and a ST-4 compatible autoguider port is also available. The control system also supports micro-step operation to ensure precise tracking. Intuitive operation via app and graphical star map The ExploreStars app, specifically developed for the PMC-Eight system, impresses with its well-designed, intuitive graphical interface. The current alignment stars for control initialization, as well as all celestial objects in the database, are displayed as a star map with additional text information. All these objects can be conveniently viewed and selected. Powerful controller unit with Open GoTo for customization At the heart of the controller unit is a fully autonomous 2-channel multi-processor with 8 CPUs and a Wi-Fi Ethernet 10/100 adapter with IP functionality. This allows remote operation via browser, ASCOM, app, or serial connection. With Open GoTo, custom firmware can also be written and loaded into the controller unit, allowing customization of device functions and the creation of custom object lists, etc. Polar finder included The included and pre-installed polar finder scope enables quick and precise polar alignment for long exposure times without unwanted star trails. The integrated LED lighting unit further enhances the user experience of the polar finder. FEATURES TELESCOPE Type: Reflector telescope Mirror diameter: 203 mm / Focal length: 800 mm / F/3.9 Maximum useful magnification: 406x Telescope for night and solar observation High-quality Hexafoc focuser with a 2.5" free inner diameter Diffraction-limited optics with parabolic primary mirror 8x50 finder with crosshair eyepiece Optimized finder bracket for comfortable viewing Handle for easy transport with integrated camera holder (tripod thread) Smartphone adapter for sky navigation included Dovetail bar with stainless steel clamping surface Connection option for SLR cameras (optional T2 ring required) 50.8 mm to 31.7 mm adapter with integrated T2 adapter (optional T2 ring required); with brass compression ring Focus point approx. 100 mm above the fully retracted focuser Large 85 mm secondary mirror Large knurled screws for adjusting primary and secondary mirrors Telescope tube weight without accessories: 8.7 kg; with accessories: 11.5 kg FEATURES MOUNT Powerful PMC-8 Open GoTo system User-friendly and graphically appealing ExploreStars OpenGoto app Wi-Fi control via tablet, laptop, or desktop PC with a minimum 7" display and Wi-Fi functionality (not included) Compatible operating systems: WIN8.1, WIN10/11, iOS, or Android 4.4 and higher Classic control via direction keys or joystick for guiding, centering, correcting, and moving via touchscreen Intuitive 2-star and 3-star alignment for GoTo system initialization Multiprocessor microcontroller with 8 CPUs Micro-stepper motors NEMA-11 Highly precise and quiet belt drive ST-4 compatible autoguider port ASCOM drivers available, also supports pulse-guiding Ability to create your own firmware and object lists and load them into the PMC-8 GPS compatible / Settings depend on the computer or tablet used Powered by 12-volt DC, with a maximum power consumption of 1.6 amps at full load SCOPE OF DELIVERY Optical tube 26 mm Super Plössl eyepiece (31.7 mm / 1.25") Integrated 31.7 mm and T2 adapter Dovetail bar with stainless steel clamping surface Adapter for 50.8 mm (2") eyepieces Rotating star map Solar filter Telescope rings with handle and camera holder 8x50 finder scope Smartphone adapter for navigation Astronomy PC software Stellarium (via download) EXOS2-GT mount with Open GoTo PMC-8 Stainless steel tripod with built-in bubble level Counterweights 2 x 4.5 kg Polar finder with lighting unit 12-volt / 2-amp power supply ExploreStars app (via software download) User manual

Perfect for ambitious planetary observers: the set consists of the BRESSER Messier AR-152L/1200 Telescope and the modern EXOS-2 PMC-Eight GoTo Mount. With the large aperture and long focal length of 1200 mm, the high-quality optics deliver razor-sharp, high-contrast images that impress with every observation. The telescope is especially suitable for detailed views of Mars, Jupiter, and other celestial bodies. You can also explore the sun using the included objective filter. The mount is equipped with a precise GoTo control and is very easy to use with the intuitive ExploreStars App. Thanks to the extremely accurate tracking, the selected celestial object is guaranteed to always stay in the field of view. The Telescope For demanding planetary observers, the BRESSER Messier AR-152L is the dream device. Discover structures in Jupiter’s cloud bands, the finest grooves and craters on the moon’s surface, and structures on Mars, including the ice-covered polar caps of our neighboring planet! Observe the dance of Jupiter’s moons around the planet and discover the greenish glow of Uranus far beyond Saturn’s orbit. The combination of large aperture and long focal length enables sharp, high-contrast images that will impress you every time. And with the high-quality objective solar filter, you can also safely observe our own star. (Caution: Never point the telescope at the sun without a solar filter!) The Mount The EXPLORE SCIENTIFIC EXOS-2 PMC-Eight GoTo Mount is equipped with a modern and very precise GoTo control system. It consists of a robust Wi-Fi controller unit that provides all the necessary interfaces. The NEMA-11 stepper motors are directly connected to this unit via cable, and an ST-4 compatible autoguider interface is also available. In addition, the control system supports micro-stepping to ensure precise tracking. Intuitive operation via app and graphical star chart The ExploreStars App, developed specifically for the PMC-Eight system, impresses with a very well-designed, intuitive user interface. The currently available alignment stars for initializing the control system, as well as all celestial objects in the database, are displayed as a star chart with additional text information. All these objects can be easily viewed and selected. Powerful controller unit with Open GoTo for customization The heart of the controller unit consists of a completely autonomous 2-channel multi-processor with 8 CPUs and a Wi-Fi Ethernet 10/100 adapter with IP function. This allows remote operation via browser, ASCOM, app, or serial connection. The Open GoTo also allows you to write your own firmware and upload it to the controller unit. This enables custom adjustments to the device’s functions as well as the creation of custom object lists, etc. Polar finder included The included and pre-installed polar finder scope allows for quick and precise alignment and long exposure times without unwanted star trails. The integrated LED lighting unit further enhances the comfort of using the polar finder. TELESCOPE FEATURES Design: Refractor telescopeAperture: 152 mm / Focal length: 1200 mm / F/7.9Maximum useful magnification: 254xTelescope for night and solar observation High-quality, bright achromatic lens Modern multi-coating of the lenses for bright and high-contrast images Robust aluminum tube construction Very high-quality Hexafoc focuser with 2.5'' free internal diameter 8x50 finder with crosshair eyepiece Optimized finder bracket for comfortable viewing 31.7 mm (1.25'') star diagonal mirror Handle for comfortable transport with integrated camera holder (photo thread) Smartphone adapter for sky navigation included Prism rail with stainless steel clamping surface (44-mm universal dovetail for GP/EQ5/LXD75) 50.8 mm to 31.7 mm adapter with integrated T2 adapter (optional T2 ring required) MOUNT FEATURES Powerful PMC-8 Open GoTo system User-friendly and graphically appealing ExploreStars OpenGoto App Wi-Fi control via tablet, notebook, or desktop PC with at least 7'' display and Wi-Fi function (not included) Compatible operating systems: WIN8.1, WIN10/11, iOS, or Android 4.4 and higher Classic control via directional buttons or joystick for guiding, centering, correcting, and moving with a touchscreen Intuitive 2-star and 3-star alignment for GoTo control initialization Multiprocessor microcontroller with 8 CPUs (processor cores) Micro-stepper motors NEMA-11 Highly precise and quiet belt drive ST-4 compatible autoguider interface ASCOM driver available, also supports pulse guiding Possibility to create your own firmware and object lists and load them into the PMC-8 GPS compatible / settings depend on the computer or tablet used Power supply via 12V DC, power consumption at full load max. 1.6 amps SCOPE OF DELIVERY Optical tube 26 mm Super Plössl eyepiece 31.7 mm (1.25") 31.7 mm (1.25") star diagonal mirror Integrated 31.7 mm and T2 adapter Prism rail with stainless steel clamping surface Adapter for 50.8 mm (2") eyepieces Rotating star map Objective solar filter Tube rings with carrying handle and camera holder 8x50 finder scope Smartphone adapter for navigation Astronomy PC software Stellarium (downloadable) EXOS2-GT mount with Open GoTo PMC-8 Stainless steel tripod with built-in bubble level Counterweight 2 x 4.5 kg Polar finder with lighting unit Power supply 12V / 2A ExploreStars App (software download) User manual