Telescopes

The fast 110 mm ED APO offers good chromatic correction through two special glasses, it is designed for observation and astrophotography.

• Aperture 110 mm / focal length 660 mm / focal ratio f/6
• 2-element APO objective with FPL51 and Lanthanum glass from Ohara-Optics
• Full multicoating for high contrast
• 2.7" RAP focuser with ball bearing, 360° rotation and micro reduction
• M74x1 female thread for screw adaptions
• CNC tube rings - aluminium tube - retractable dew shield
• Aluminium carrying case
• Made in Taiwan

The ASKAR APO 72 mm f/5.6 quintuplet apochromat from Sharpstar is optimized for astrophotography with high resolution cameras

• Aperture 72 mm
• Focal length 400 mm / focal ratio f/5.6
• 5-element quintuplet design with corrector in tube
• Two ED glasses in the objective for very good correction of the chromatic aberration
• 44 mm image circle with full illumination and correction
• 140 mm working distance for visual observation or focal length reduction
• Stable 3" dual-speed RAP focuser with 360° rotation
• 2" and 1.25" receptacles as well as M68x1 external thread for screw adaptations
• Long adapter from M68 to M48x0.75 camera connection is included in delivery (with 2" filterthrad)
• Flexible GP/EQ5 style dovetail bar with photo tripod connection and carrying handle with flexible slotted hole
• Finder shoe for standard finder holder
• Including inspection check list of the manufacturer

The TS 102 mm f11 SDP Apo offers excellent chromatic aberration correction by pairing FPL53 with additional special glass

• Very good correction of chromatic aberrations by a 2-element APO lens with FPL53 from Ohara and an additional special glass
• Very good correction also in the violet color range, where faster SD-Apos give in a bit
• Even at 250-300x sharpness is maintained
• Adjustable lens mount
• Improved 2.5" rack and pinion RAP focuser with photo thread, 2" and 1.25" adaption
• Retractable dew shield for better transport and optimal protection against stray light
• Deluxe finder holder for adapting finder telescopes
• Binoviewers can be used without path compensation
• CNC tube rings and EQ5 style dovetail bar included
• With only 4.6 kg the ED is well supported by mounts like the Skywatcher EQ5
• Each TS Apo is individually tested before shipping (optics, mechanics, cosmetics), a checklist is attached.

Newtonian telescope with 6" aperture and 600 mm focal length individually made for you in Germany with high quality carbon tube - an ideal travel telescope and for astrophotography

• Aperture 150 mm / focal length 600 mm / focal ratio 1:4
• Three focus positions built in - simply by moving the main mirror, thus all correctors, also focal reducers, can be used
• Stable, 4 mm thick carbon tube for maximum rigidity and adjustment stability
• TS UNCN2-G2 ball bearing RAP focuser with screw possibility for photo adaptations - optimal for photography and observation - of course motorizable
• Valuable lightweight rings and tube end pieces - individually manufactured for this telescope.
• TS "Black" anti-reflective paint provides a dark tube and prevents annoying reflections
  Selected quality optics for best imaging
• 94% reflection on primary mirror and secondary mirror for a brighter, high contrast image
• Stable collimatable primary mirror mount, specially made for this telescope
• Each ONTC Newtonian is tested on the optical bench of Teleskop-Service before shipment - delivery with production protocol
• The tube rings and the end pieces are also manufactured in black on request.
• Made in Germany

William offers with the REDCAT71 Astrograph a very well corrected telescope for astrophotography up to full frame format.

• Aperture 71 mm / Focal length 350 mm / Focal ratio f/4.9
• Petzval design with chromatic aberration free FPL53 objective (4 elements in 3 groups)
• Very well corrected and illuminated image field up to full frame format - the corrector is built in - no more adapter battle necessary
• Camera connection via M48 male thread (suitable adapters are available) - working distance 55 mm
• 360° rotation of the camera for the right display window
• Focusing via precise helical focuser like telephoto lenses
• Tilting option for individual adjustment of the camera sensor to the telescope
• Flexible dovetail bar at the base (long version), suitable for Vixen style and Arca-Swiss saddle plates, in addition with 1/4" female photo tripod thread
• Nylon carrying bag and Bahtinov mask for astrophotography are included in delivery