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Powerful Boren-Simon 10" f/2.8 Astrograph with full Correction over the Field.
The ASKAR FRA 500/5.6 APO quintuplet apochromat from Sharpstar is optimized for astrophotography with high resolution cameras
Aperture 90 mm Focal length 500 mm / focal ratio f/5.6 5-element quintuplet design with corrector in tube Two ED glasses in the triplet objective for very good correction of the chromatic aberration 55 mm image circle with full illumination and correction 158 mm maximum working distance from drawtube with all adapters for photography and observation Stable 3.5" dual-speed RAP focuser with 360° rotation Adapters to M68x1, M54x0,75, M52x0,75 and M48x0,75 are included in delivery Starting with the M48 thread, you have comfortable working distance for all common astro cameras, DSLR and system cameras Flexible Losmandy style dovetail bar with photo tripod connection and carrying handle with flexible oblong hole Finder shoe for standard finder holders Including inspection check list of the manufacturer These astrographs are perfectly tailored to the modern demands of the digital astrophotography.
TS Newtonian with Carbonfibre Tube and optimized focus position and 2" UNCN2-G2 focuser.
The new 100 mm f/5.8 Quadruplet Astrograph from TS.
TS Newtonian with Carbonfibre Tube and optimized focus position and 2" UNCN2-G2 focuser.
Powerful Boren-Simon 8" f/3.6 Astrograph with full Correction over the Field.
Powerful Boren-Simon 8" f/2.8 Astrograph with full Correction over the Field.
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
ONTC Newtonian Telescopes are completely tailored to measure according to your wishes.
Hyperbolic flat-field astrograph from Sharpstar with 130 mm aperture and fast f/2.8 focal ratio
Aperture 130 mm / focal length 364 mm / focal ratio f/2.8 Optimally suited for mobile astrophotography with modern, high-resolution digital cameras Ideal for cameras up to APS-C and with Flat even up to full-frame sensors Hyperbolic primary mirror with 130 mm diameter 2-element corrector with one ED element Modern dual-speed 2.5" rack and pinion focuser Working distance from M48x0.75 camera thread is 55 mm - Working distance from M54x1 female thread is 57.2 mm 2" filter thread for connecting fog filters is included in the reduction adapter to M48 Carbon tube for optimal hold of focus position - provides better focus stability than a metal tube Stable metal secondary mount with adjustment screws Primary mirror collimation with tension and compression screws Included in delivery are a carrying case, CNC tube rings and an EQ5-style dovetail bar Each Hypergraph is checked, cleaned and adjusted at APM. The PHOTON Newtonian reflector is a fast astrograph and rich-field telescope with carbon fiber tube