Search results for 'leica apo televid 82 straight 401 19 4022243401198'
TS-Optics 8" f/12 Cassegrain 203/2436 mm
US$ 1,086.22TS 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
Celestron EDGEHD 8 CG5
Regular Price: US$ 1,897.10
US$ 1,781.25
- 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 Advanced VX 8 Edge HD
Regular Price: US$ 2,850.54
US$ 2,583.22
- 8” (203.2mm) f/10 EdgeHD includes StarBright XLT coatings for better light transmission
- EdgeHD optical design fully corrects for coma and field curvature, delivering a truly flat field
- The most compact and portable of Celestron’s German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an improved industrial design
- Holds a maximum instrument capacity of 30 lb
- Every feature an astroimager wants: PEC, an autoguider port, the ability to image across the meridian, and more
- NEW dual saddle plate is compatible with narrow CG-5 dovetails and wider CGE dovetail. Also compatible with Vixen format dovetails longer than 100mm, but not compatible with Losmandy D format plates.
- Latitude range allows the mount to perform between 7° and 77° latitude
- Accessories include a 40mm eyepiece, 1.25” star diagonal and 9x50 finderscope
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
Celestron Advanced VX 8 SCT
US$ 2,360.45- 8” (203.2mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission
- The most compact and portable of Celestron’s German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an improved industrial design
- Holds a maximum instrument capacity of 30 lb
- Every feature an astroimager wants: PEC, an autoguider port, the ability to image across the meridian, and more
- NEW dual saddle plate is compatible with narrow CG-5 dovetails and wider CGE dovetail. Also compatible with Vixen format dovetails longer than 100mm, but not compatible with Losmandy D format plates.
- Latitude range allows the mount to perform between 7° and 77° latitude
- Accessories include a 25mm eyepiece, 1.25” star diagonal and 6x30 finderscope