ONTC Newtonian Telescopes from Teleskop Service are a unique system on the marketYou choose the components and the bias of your telescope and get a Newtonian without compromises for reaching your astronomical goals
The apochromatic refractor with 102 mm aperture and 714 mm focal length offers highest optical performance and first-class mechanics for astrophotography and amateur astronomy
The 80PHQ is a very transportable APO refractor for astrophotography with corrected field of view up to full frame format and for observing up to the highest magnification range.
Aperture 80 mm / focal length 600 mm / focal ratio f/7.5
4-element Petzval system with color clean triplet objective and one corrector lens built into the tube
Stable 3" RAP focuser with dual speed and 360° rotation
Sufficient working distance for observation with 2" accessories
Suitable photo adapters are included in delivery
Illuminated image circle with very good correction up to full frame format
CNC tube rings with Vixen style EQ5 dovetail bars and carrying handle
Finder shoe for standard finder and mini guiding telescopes available
High quality carrying case for optimal protection of the telescope
Each Quadruplet Apo is inspected upon receipt, you will receive an optimally adjusted telescope for successful photography and observation from the very beginning.
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.
The apochromatic refractor with 90 mm aperture and 540 mm focal length offers highest optical and mechanical performance for astrophotography and amateur astronomy
The apochromatic refractor with 80 mm aperture and 480 mm focal length offers highest optical and mechanical performance for astrophotography and amateur astronomy
The TS 110 mm ED with 770 mm focal length is a transportable telescope for astrophotography and for observing with good color correction.
Aperture 110 mm / focal length 770 mm / focal ratio f/7
ED Dublet objective with glass from Ohara (Japan)
Good correction of color error by ED element up to magnifications around 220x
Stable 2.5" RAP focuser with 2", 1.25" ring clamp and auxiliary thread for screw adaptions Dual-speeed and 360° rotation of the focuser - important for astrophotography
0.8x reducer and corrector for astrophotography specially calculated for the TS 110 mm f/7 ED available
Only 65 cm transport length and 6.8 kg weight - is well supported by a mount of the EQ5 class
Optimized CNC tube with retractable dew cap and CNC clamps with M6 female thread connection
Vixen level dovetail bar with photo tripod connection thread included
TS-Optics Triplet APO Objective 115mm f/6.95 - lens in cell
Powerful 115mm APO Objective - ideal for a self-made APO or Astrograph.
Aperture: 115 mm
Focal length: 800 mm
Focal ratio: f/6.95
Triplet Apo Objective with two special glasses (Lanthanum glass and FPL51) - Ohara Japan - colour correction comparable with FPL53 triplet objective The air-spaced objective is adjustable mounted
The rack and pinion focuser is suitable for do-it-yourself construction or improvement of a 10" Newtonian and also accepts correctors with 3" diameter.
Suitable for telescope tubes with 230mm to 250mm diameter
Including 360° rotation and tilting possibility
2" connection and auxiliary thread M82x1 (female) for adapting large correctors for astrophotography
Micro-reduction for precise focusing
The bearing of the extension tube is decoupled from the adjustment via gear drive (rack-and-pinion)
The rack and pinion focuser is suitable for do-it-yourself construction or improvement of an 8" Newtonian telescope and also accepts correctors with 3" diameter.
Suitable for telescope tubes with 230mm to 250mm diameter
Including 360° rotation and tilting possibility
2" connection and auxiliary thread M82x1 (female) for adapting large correctors for astrophotography
Micro-reduction for precise focusing
The bearing of the extension tube is decoupled from the adjustment via gear drive (rack-and-pinion)
The Premium ED apo with 96 mm aperture and fast f/6 is a transportable telescope for astrophotography and observation
Aperture 96 mm / focal length 575 mm / focal ratio f/6
Good correction of color aberration by FDC1 special glass
Lens manufactured in Japan - very good image quality
Internal baffles for contrast enhancement
2.5" RAP focuser with gear reduction and improved focuser support via large ball bearings 1.25", 2" and M63x1 female thread connection on the eyepiece side
Retractable dew shield for transport - can be extended up to 100 mm
Finder shoe included for adapting finders and small guide scopes.
CNC tube rings and two Vixen / EQ5 style dovetail bars included.
For astrophotography, we offer a 0.94x reducer and corrector which is made for this
The PHOTON Newtonian reflector with 150 mm aperture and an f-ratio of f/5 is well suited for observation and astrophotography and an ideal beginner´s telescope.
Aperture 150 mm / Focal length 750 mm / F-ratio F5
High-quality parabolic primary mirror with 94% reflection coating for a brighter image.
Large secondary mirror with 63 mm diameter for a well illuminated image field for astrophotography
Precise 2" Crayford focuser for accurate focusing and micro transmission - motorfocus optional.
Carbon tube for more stability with better portability at the same time - Made in Germany!
Adjustable primary and secondary mirror holder made of metal, convenient collimation marking on primary mirror
Focus position optimized for observation with all customary eyepieces and for astrophotography with coma correctors
Due to its short build the Newtonian is suitable for smaller mounts (Skywatcher EQ3 upwards)
Central mark on the primary mirror for easy collimation
Generous equipment: 6x30 finder scope, ring clamps, dovetail included
The apochromatic refractor with 70 mm aperture and 420 mm focal length offers highest optical and mechanical performance for astrophotography and amateur astronomy