Teleskop Service (TS) has been developing a wide variety of astrographs and apochromatic refractors for photography and visual use with great success for many years. There are a large number of different apertures and designs available to you, there is hardly anything left to be desired!
An ultimate and compact APO refractor for astrophotography and observation.
Aperture 110 mm / focal length 528 mm / focal ratio f/4.8
FCD100 triplet lens with f/6 - chromatic correction comparable to FPL53 triplet
4-element 0.8x corrector with M48 camera connection and working distance of 55 mm included - designed for this lens for highest field sharpness
2" filter thread and 360° rotation included
2" Visual-Back can be screwed to the focuser instead of the corrector for observation - working distance suitable for 1.25" and 2" accessories
Delivery in high-quality carrying case
Each apo is tested (cosmetics, optics and mechanics) at Teleskop-Service before shipment, the optics are collimated. The apo is shipped with a checklist.