Product DetailsAskar’ s newly-launched 65PHQ 0.75× full-frame reducer has a quadruplet design. The 0.75x reduction gives 65PHQ a shortened focal ratio of f/4.8 and a shortened focal length of 312mm.This reducer, connected with the astrograph, can effectively shorten the exposure time and dramaticall..
Product DetailsThe new Askar 3" 0.76x full frame reducer, with a triplet design and specifically for the 80PHQ, offers a 0.76x reduction in focal ratio when used with the 80PHQ F/7.5 astrograph.The focal ratio is 5.7 and the reduced focal length is 456mm, effectively shortening the exposure time and..
Product DetailsThe Askar 107PHQ/130PHQ/151PHQ Universal reducer is a premium quality reducer designed specifically for the Askar 107PHQ, 130PHQ and 151PHQ telescopes.Askar 107PHQ/130PHQ/151PHQ Universal Reducer Image CircleFeaturing a generous 0.7x reduction factor, the Aska..
Please Note: This item may or may not have the 'Askar' brand imprinted on the item as pictured above. It just varies from batch to batch.Product DetailsImportant Note: The use of this reducer with the Askar FRA500 telescope requires an extra M86-to-M68 adapter which is included with the FR..
Product DetailsDesigned for use with the Askar 108mm f/5.6 quintuplet astrograph, the new Askar FRA600 f/3.9 full-frame focal reducer with 4 lens elements reduces the effective focal ratio by a factor of 0.7x, taking this already fast f/5.6 scope down to a f/3.9 system with 420mm focal length. That ..
Please Note: This item may or may not have the 'Askar' brand imprinted on the item as pictured above. It just varies from batch to batch.Product DetailsImportant Note: The use of this reducer with the Askar FRA500 telescope requires an extra M86-to-M68 adapter which is included with the FR..
Product DetailsThe 0.8x reducer can bring Askar 103APO's focal ratio down to F5.4. This is a standard reducer with field flattening capabilities as well. A shorter focal ratio allows the OTA to have a wider field of view and faster exposure times, making it suitable for capturing large areas of nebu..
Quick OverviewAskar M54 off-axis guider supports imaging with up to full-frame astronomy camerasIncludes M42, M48, and M54 adapters and extension rings to attach to a wide range of camerasInterfaces with guide camera with included 1.25” adapter or standard M42 threadLarge 10mm x 10mm prism makes it ..
Product DetailsCelestron's new EdgeHD reducers features a custom 4 element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system. Unlike generic reducers, our premium reducers provide substantial back focus to accommodate an assortment of imaging..
Quick OverviewThe EdgeHD .7x Focal Reducer Lens makes your EdgeHD 9.25" one full F-Stop faster than f/10, reducing your exposure time by half to capture the same brightness of object4-element lens designMaintains similar flat-field performance as native EdgeHD optical designIncreases ..
Quick OverviewCustom-designed adapter works in conjunction with the Celestron Off-Axis Guider to produce a larger area of illumination when imaging through larger Schmidt-Cassegrain & EdgeHD telescopesNEW! Longer length to better accommodate DSLR back-focus spacing without the nee..
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Antlia Triband RGB Ultra FilterIt is designed for light pollution suppression for OSC and Mono cameras. The spectral design selected the most substantial information in the RGB bands, which makes Antlia..