We recommend the corrector for DSLR cameras up to APS-C sensors and also for astro cameras with medium sized sensors. TSRed08-72 - TS corrector with focal length reduction - The corrector shortens the focal length of the apo from 420 mm to 331 mm and improves the focal ratio to f/4.74. The optimal working distance from the M48 connecting thread to the camera sensor is 55 mm, the working distance is extendable to 71 mm. The corrector offers full correction and a good illumination up to full-frame sensors. TSFLAT72 - Corrector without change of focal length - The corrector leaves the focal length at 432 mm and the focal ratio at f/6. A corrector is always necessary for maintaining good sharpness to the edge. ![]() This allows for trouble-free operation of our optional field correctors. Photography with the Photoline 72 mm f/6 apo:The apo has a large back focus of 135 mm from the 2" receptacle of the focuser. Despite very good mechanics, the apo is a true lightweight with only 2.18 kg, and with a length of only about 310 millimetres, the telescope has space even in the hand luggage. For this reason, we have equipped the telescope with a modern 2.5" rack and pinion focuser which can hold even heavy accessories like CCD cameras. ![]() ![]() The goal was to construct a compact and powerful telescope which is also attractive for the demanding astrophotographer. TS Photoline 72/432 mm Apo - a perfect travel scope for observers and photographersLead-managed by Teleskop Service, this high-quality Photoline apo with an FPL53 element from Ohara (Japan) was created.
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