Screw the TSFLAT2 into the M48 internal thread of the adapter and then screw the adapter into the M63x1 thread of the focuser. With the adapter M63a-M48a you can screw on the flattener without jamming. ♦ Connection to focusers with internal thread M63x1 or M68x1: The flattener should always be countersunk in the focuser, a clean stop can be obtained with the 2ZKonter, a counter ring that is placed over the 2" barrel. The body of the TSFLAT2 has exactly 2" diameter. ♦ Connection to 2" focusers without additional thread: ![]() For all astrophotographers who like to plan the adaptation themselves, we have the following tip: The easiest way is the adapter kit TSFLAT2A, we take over the adaptation to the telescope for you. How do I best connect the TSFLAT2 to the telescope? Many thanks to Florian Stürzer and Simon Stich from Germany for these wonderful images! Lagoon Nebula and Trifid Nebula (M 8 and M 20) Note: Possibility of comparison with previous image taken with TSFlat2 Note: Possibility of comparison with the following image taken with TSRed279 Telescope: TSAPO80F7 on mount Orion Atlas EQ-G Photographers: Florian Stürzer and Simon Stich The images clearly show the potential of the combination:įlame Nebula and Horsehead Nebula (NGC 2024 and B 33) Testing the TSAPO80F7 refractor with the TSFLAT2 flattener. The test reports in German language can be found as PDFs here: ![]() Reports and images by testers Florian Stürzer and Simon Stich aka galacticdudesThe two dedicated amateur astronomers from Grafing tried out the TSAPO80F7 refractor with the two correctors TSRed279 and TSFLAT2, using a Canon EOS 60D. The TSFLAT2 offers an optimal image without halos or distorted stars to the edge. The peripheral region is shown at full magnification here. ![]() The stars at the edge of the M27 image at full magnification The photograph was taken with a Canon EOS DSLR camera. M27 with the Skywatcher Evostar 80 ED - corrected with the TSFLAT2 ♦ Image 3: with the TSFLAT2 - best defined stars at the edge ♦ Image 2: with a corrector from the manufacturer ♦ Image 1: without Flattener - stars at the edge The TSFLAT2 in comparison with an 80 mm f/7 ED refractor With larger sensors, the tolerance is reduced to 1-2%. The recommended distances from the M48x0.75 thread to the camera sensorIn principle this rule applies: the shorter the refractor´s focal length, the longer the working distance to the sensor has to be.Īn underrun or an overrun of the distance of up to 5% has no visible effect on the sharpness in the field of sensors with formats up to APS-C. ♦ Easy adaption vie 2" barrel - with the adapter package TSFLAT2A you get a complete adaptation from the flattener to the camera from Teleskop-Service. ![]() Often the sharpnesss in the field can be improved. ♦ Also visually usable, depending on the eyepiece. ♦ M48x0.75 - 2" filter thread at the telescope side for filters and at the camera side for further adaptions. ♦ Generous working distance between 108 mm and 128 mm, depending on the focal length of the telescope. ♦ Better illumination, even full-frame size sensors can be used. In comparison with other 2" correctors, the TSFLAT2 offers some advantages: The corrector is suitable for refractors from f/4 to f/9. TS PHOTOLINE 2" Flattener and Field Corrector for RefractorsWith the TSFLAT2, a professional field corrector for apochromats, EDs and normal Fraunhofer achromats is available to the astrophotographer.
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