WebThis 30 mm aperture guide scope from Askar is small and versatile. The optical system is a triplet configuration, with a 30 mm diameter, a 135 mm focal length, and a focal ratio of 4.5. The front lens is made of extra-low-dispersion (ED) glass to minimize chromatic aberration. The flattener also contains three elements in support of advanced ... WebThe ASKAR FMA180 is a premium multi-functional optical instrument that features a 40mm ED fully multicoated triplet objective to deliver superb image quality. It works at f/5.5 as a …
Askar 40 mm f/5.5 Triplet APO Guidescope - FMA180 - Khan …
WebThis Askar FMA180 Lens/Telescope is a premium multi-functional optical instrument. It sports a 40 mm ED triplet objective to deliver superb image quality. It has optical performance at f/5.5 as a finder/small telescope/guide scope. It can also be easily configured as a six-element f/4.5 apochromatic refractor/camera lens, with the included ... WebThe optical system is a triplet configuration, with a 40 mm diameter, a 220 mm focal length, and a focal ratio of 5.5. Two of the lenses are made of extra-low-dispersion (ED) glass to minimize chromatic aberration. The reducer also contains three apochromatic elements that reduce the FMA180 to a focal length of 180 mm and a focal ratio of f/4.5. oregon 54-026 bar and chain oil
Askar 135 mm f/4.5 APO Astrograph - FMA135
WebThe FMA 180 mm f/4.5 as telephoto lens The manual APO telephoto lens is corrected up to full frame size. Starting with the T2 thread you have a working distance of 55 mm. Ideal … WebIf you're looking for an alternative to a widefield camera lens for astrophotography, look no further than the Askar FMA180 refractor. I'll discuss the pros ... WebJan 3, 2024 · Askar F4.5 180 mm refractor, coupled with Canon 6D astro-modified and all this on extremely portable iOptron SkyGuider Pro. The Newtonian was totally unusable in the wind, but tiny Askar had no problems at all and I took roughly 1300 photos with Canon 6D camera. ... The telescope is quite trickier, but I found Askar FMA, which has a 220 … how to type meter square in excel