Askar 0.8x Reducer for 140APO Refractor (140APO-FR)

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Askar 0.8x Reducer for 140APO Refractor Upgrade the already incredible optics of the Askar 140 APO Triplet Refractor with the Askar 0.8x Reducer! Collect more light in less time an d widen your field of view for endless details of vast areas of the night sky. By reducing the focal length to 784mm, the focal ratio is brought down from f/7 to f/5.6, increasing the light gathering speed of your Askar 140 APO significantly! This 0.8x Reducer doubles as a field flattener as well, providing a flat, even field, and diminishing coma around the edges of the images captured. The included adapters make it easy to achieve the perfect backfocus within your optical train, letting you get set up under the stars in no time! Pairing the Askar 0.8x Reducer with your 140 APO Triplet Refractor is sure to deliver the ultimate astrophotography experience. Incredible Performance For Any Set Up! This 0.8x Reducer from Askar was designed to greatly increase the speed of your telescope and widen your field of view, while simultaneously providing a flat field for pin point star all the way to the edges of the frame. Connecting this reducer to your imaging train is a breeze with the included adapters! Take a look below and see why this 0.8x Reducer is a perfect accessory to your Askar 140 APO Triplet Refractor! Outstanding Optics Upholding the triplet design of the Askar 140 APO Refractor, the 0.8x reducer is also made with three lens elements for superb quality and color correction. Supporting a full frame 44mm image circle, this 0.8x Reducer corrects curvature around the edges of the image, as well as reducing the focal length of the Askar 140 APO. Taking its native focal length of 980mm down to 784mm, its focal ratio is reduced to f/5.6, making for an incredibly speedy system! This wider field of view allows you to capture large areas of the night sky, making it ideal for large nebulae and faint celestial objects. All of the Necessary Adapters This Askar 0.8x Reducer offers multiple points of connection through its numerous included adapters. The front thread utilizes a M84*1 thread, allowing you to connect this reducer to your telescope. On the camera side, two different adapters are present to allow you to achieve the perfect backfocus. A M54*0.75 and M48*0.75 offers incredible versatility, allowing you to attach numerous different optical assemblies into your imaging train. An additional M48*0.75 2-inch filter thread allows for your filters to be threaded directly into your telescope! Its robust CNC machined body instills great stability and security within your optical system. Technical Specifications （After attaching）140APO Focal length 784mm （After attaching）140APO Focal ratio f/5.6 Lens Number Triplet design Back Focus 55mm（from the base of M48 male thread） Weight 0.63kg Rear-end thread type M54×0.75-M48×0.75 (M48×0.75 filter thread inside) In the Box Askar 0.8x Reducer for 140APO Refractor Warranty & Manuals Askar Warranty Show more