TS Photoline APO refractor wit 72 mm aperture and fast f/6 focal ratio, a great travel telescope for observation and astrophotography.
- ♦ Powerful, aberration-free apochromatic refractor with 72 mm aperture and 432 mm focal length.
- ♦ Fast focal ratio: f/6
- ♦ FPL53 doublet objective (Ohara Japan), air-spaced - additional lanthanum element, so no chromatic aberration
- ♦ 2.5" dual-speed rack-and-pinion focuser - ball bearing mounted for maximum load with M63x1 female thread for adaptions
- ♦ Retractable dew cap - the apo even fits into the hand luggage
- ♦ CNC tube rings with versatile dovetail bar - EQ5 style and with photo tripod connection.
- ♦ Findershoe on the focuser is included
- ♦ Weight only 2.18 kg - transport length only 31 cm
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
€ 1,219.00TS 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
The 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
Shop By
Currently Shopping by:
- Remove This Item Brand: TS-Optics
Filter
- Category
- Apochromatic (2)
- Cassegrain (1)
- Ritchey-Chrétien (1)
- price
Categories
