The 8" Ritchey-Chrétien is the perfect telescope for astrophotography, but it is also suitable for visual observation.
- ♦ Aperture 8" / 203 mm - focal length 1624 mm - focal ratio f/8
- ♦ Hyperbolic primary and secondary mirror for very high sharpness on the optical axis and a large well-corrected field for astrophotography
- ♦ Both mirrors made of fused silica for stable focus position
- ♦ 99% high-reflectivy coating on main and secondary mirror for an even brighter image and more contrast - special service from TS
- ♦ Quicker cooling down thanks to open construction and primary mirror ventilation
- ♦ Two Vixen style dovetail bars supplied - ideal for accessories like guiding scopes or a piggyback camera mount
- ♦ High-quality 2" dual speed MONORAIL focuser with 2" / 1.25" reduction adapter - motor focuser optionally available
- ♦ RC correctors for larger sensors from APS-C upwards are optionally available
TS-Optics 8" f/12 Cassegrain 203/2436 mm
US$ 1,069.13TS 8" f/12 Cassegrain telescope with fused Quartz mirror and only 33% obstruction - the ideal alternative to a Schmidt-Cassegrain
- Aperture 8" - 203 mm
- Focal length 2436 mm
- F-ratio f/12
- Large illuminated image field with 45 mm diameter
- Hyperbolic secondary mirror and parabolic primary mirror made of Quartz glass for stable focus position
- 99% reflection on primary and secondary mirror for an even brighter image
- Quick temperature adaption due to open design
- Pure reflective system without Schmidt plate or meniscus lens - fully suitable for Infrared
- Only 33 % linear obstruction - very well suited for visual astronomy
- 2" MONORAIL focuser with micro-gear reduction and 1.25" reduction are included
- M90 extension tubes for trouble-free focusing with almost any accessories included
- Internal baffles for higher contrast
- Losmandy style dovetail and Vixen/EQ5 style dovetail for trouble-free adaption to all popular mounts
- Finder-scope shoe is also included
- Very economically priced, compared with other classical Cassegrains
SkyWatcher Evostar 100ED
US$ 1,078.78- 100 mm apochromatic Refractor with Schott BK-7 and FPL-53 ED glass
- 900 mm focal length (f/9)
- Dual-speed 2″ Crayford-type focuser with 1.25″ adaptor
- 8×50 RA erect-image finderscope
- 2″ dielectric diagonal
- 20 mm and 5 mm 1.25″ eyepieces
- Tube-ring attachment hardware n Aluminum carry case
Askar FRA300 60mm f/5.0 Refractor
US$ 1,139.30The best seller of the quintuplet series, the FRA300 60mm; It is an instrument suitable for astrophotography.
Thanks to the quintuplet spaced in the air, it provides a flattened field up to 40mm diagonally without the addition of further flatteners/reducers.
Askar 103 APO F/6.8 Triplet Refractor
US$ 1,183.15The Askar 103APO is an optical telescope (OTA) with an aperture of 103 mm, a focal length of 700 mm and a native focal ratio of 6.8.SkyWatcher Maksutov Skymax 180
US$ 1,209.46Maksutov-Cassegrain type catadioptric optical tube with 180mm diameter and 2700mm focal length. The largest Mak telescope in the series.SkyWatcher Newton Quattro 300/1200 f/4
US$ 1,227.00The Newton Quattro 300/1200 f/4 reflector optical tube is a 300mm diameter and 1200mm focal length telescope particularly suitable for photographic use, thanks to the fast f/4 focal ratio. Ideal as a personal observatory optical tube.Sharpstar 76EDPH 76mm FPL53 F/4.5
US$ 1,227.0076mm triplet refractor FPL53 F/5.5 Sharpstar - Focal length 418mm - Focuser 2.5 "Rack & Pinion - Complete with 0.8x corrector reducer for dedicated FullFrame. The reducer takes the aperture to F/4.5OUT OF STOCK
Askar FRA400 72mm f/5.6 Refractor
US$ 1,227.00Refractor 72mm flattened quintuplet Askar FRA400 focal length F / 5.6 - Correct image circle 44mmThe powerful 6-element Apo with 76 mm aperture and 342 mm focal length has been developed by Teleskop-Service for astrophotography.
- Aperture 76 mm
- Focal length 342 mm
- High focal ratio f/4.5 for short exposure times
- Illuminated and corrected image field of 44 mm diameter - usable up to full format
- Multi-coated FPL53 APO Triplet lens, free from false color
- Screwed 3-element ED corrector with 55 mm working distance from the M48 camera connection
- 3" RAP rack and pinion focuser with 360° rotation possibility
- 2" and 1.25" connection for observation are included - 1.25" and 2" accessories can be used
- 2" nebula filters can be screwed into the corrector
- CNC tube rings with handle, viewfinder shoe and V-style dovetail bar are included in delivery
- The handle offers adaptation options for guide scope or camera
Celestron C8-XLT (CGE)
US$ 1,358.56- 8" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2032 mm focal length (f/10)
- 25 mm eyepiece included (81x)
- Visual back allows for use with 1.25" accessories
- 6x30 finderscope to help accurately find objects
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Includes dovetail rail compatible with CGE mount
SkyWatcher APO Esprit 80 with Flattener
US$ 1,621.67Esprit 80ED APO Triplet Apochromatic Refractor optical tube with 80mm diameter, 400mm focal length, f/5 and equipped with field flattener, rigid case and accessories.SkyWatcher Evostar 120ED
US$ 1,709.38- 120 mm apochromatic Refractor with Schott BK-7 and FPL-53 ED glass
- 900 mm focal length (f/7.5)
- Dual-speed 2″ Crayford-type focuser with 1.25″ adaptor
- 8×50 RA erect-image finderscope
- 2″ dielectric diagonal
- 28 mm 1.25″ eyepiece
- Tube-ring attachment hardware n Aluminum carry case
Celestron EDGEHD 8 CG5
Regular Price: US$ 1,867.25
US$ 1,753.23
- Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge of today’s largest imaging sensors and widest eyepieces
- Aluminum optical tube with tube vents featuring an integrated 50-mesh filter allows hot air to be released from behind the primary mirror. Mirror support knobs hold the mirror in place and reduce image shift during imaging
- Versatile design accommodates 3 focal ratios: native f/10, f/7 with the addition of a focal reducer, or ultra-fast f/2 imaging with a removable secondary mirror and third-party accessories
- Celestron’s premium StarBright XLT coatings provide maximum light transmission
- A 9x50 finderscope, 1.25” mirror diagonal for more comfortable viewing, and 40 mm Plössl 1.25” eyepiece are all included
Celestron C9.25-XLT CGE
Regular Price: US$ 1,884.79
US$ 1,753.23
- 9.25" Schmidt-Cassegrain Optical Tube Assembly (OTA)
- Features Celestron's premium patented StarBright XLT optical coatings
- 2350mm focal length (f/10)
- Fastar compatible
- Tube constructed of durable and lightweight aluminum
- Includes: 25mm eyepiece (94x), 6x30 optical finderscope, star diagonal, 1.25” visual back, CGEM-style dovetail bar
Askar 120 APO F/7.0 Triplet Refractor
US$ 1,797.08The Askar 120APO's 120mm aperture provides undeniable advantages in light-gathering power, resolution, brightness and contrast, allowing you to capture more light and present more detail and brighter objects in your images. The increased aperture area, which is 36% larger than that of the 103APO, contributes to better performance.Celestron EDGEHD 8" CGE
US$ 1,867.25- Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge of today’s largest imaging sensors and widest eyepieces.
- Aluminum optical tube with tube vents featuring an integrated 50-mesh filter allows hot air to be released from behind the primary mirror. Mirror support knobs hold the mirror in place and reduce image shift during imaging.
- Versatile design accommodates 3 focal ratios: native f/10, f/7 with the addition of a focal reducer, or ultra-fast f/2 imaging with a removable secondary mirror and third-party accessories.
- Celestron’s premium StarBright XLT coatings provide maximum light transmission.
- A 9x50 finderscope, 1.25” mirror diagonal for more comfortable viewing, and 40 mm Plössl 1.25” eyepiece are all included.
Celestron C9.25-XLT CG5
US$ 1,884.79- 9.25" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2350 mm focal length (f/10)
- 25 mm eyepiece included (94x)
- Visual back allows for use with 1.25" accessories
- 6x30 finderscope to help accurately find objects
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Includes dovetail rail compatible with CG-5 Advanced Series mount