WebThe Optec NGW 0.5X (Next Generation WideField) telecompressor increases the effective speed of the Meade and Celestron Schmidt-Cassegrain telescopes from f/10 to f/5. This 1/2 times reduction in focal length allows for 4 times greater field area and 1/4 reduction in exposure time for extended surface objects such as bright nebulae. WebSVBONY Reducer for Telescope 0.5X Focal Reducer 1.25 inches Fully Multi Coated Reducer for Telescope Eyepiece Photography and Observing (Reducer) 4.0 4.0 out of 5 stars (124) ... AstroStreet GSO 0.5X Focal Reducer, 2" (50.8mm) Diameter, Made in Taiwan. 3.5 3.5 out of 5 stars (40) $63.32 $ 63. 32. FREE international delivery.
Does an 0.5x Focal Reducer Actually Halve the OTA Focal Length?
WebJan 13, 2024 · ZWO T2-to-M48 Extender / 2" Prime Focus Adapter with 16.5mm Extension. GSO 2" 0.5x Focal Reducer. This adapts the GSO reducers M48 to the cameras M42 plus allows me a extra 16mm extension if needed. If I got this right, the camera is threaded at M4, the GSO reducer is M48 both sides, and the ZWO T2 is M42 for the camera side … WebSep 20, 2024 · 手持ちのレデューサはビクセンの 0.6x Cマウント用のものしかなかったのですが、 もう少し明るくしたくなってきたのでAstrostreet GSO 0.5xフォーカルレデューサー を調達しました。 SE66EDにCCD用 … how to watch people
Takahashi MT-CRT Corrector lens for MT-160 / 200 eBay
WebProduct Details. The Third Planet Optics 0.5x focal reducer screws on to any 1.25-inch eyepieces barrel and provides a nominal reduction of 0.5X. This package comes with a 25 mm extension tube for further reduction. The actual focal length reduction will vary a little depending on where the focal reducer is placed in the optical path. http://www.gs-telescope.com/content.asp?id=136 WebMar 17, 2024 · Handy 0.75x reducer for GSO Ritchey Chretien telescopes. Fits 2" focusers and accepts 2" accessories using the eyepiece clamp. If you remove the eyepiece clamp it reveals an M48 accessory thread for camera connection. Includes an M48 to M42 adapter for T threaded cameras. 80mm back focus from the rear element. how to watch pethelpful videos