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Home Astro-Imaging Focal Reducers & Flatteners Explore Scientific 0.7x 3 Inch Reducer Corrector
The Explore Scientific 3in 0.7x Reducer - Corrector reduces the effective focal length of a particular instrument by the factor 0.7x (for f/8) and 0.8x (for f/10) respectively. The reducer/corrector not only reduces the focal length but also operates as a very effective field flattener. Although originally developed for the Explore Scientific ED-APOs 127mm and 152mm, the reducer can be used with many systems, including the new Meade ACF f/8 systems. This reducer/corrector comes with 3" barrel and adaptors for Nikon and Canon DSLRs. Maximum free optical aperture is measured at 65mm.Delivery time is normally around three business days with this productCorrector can be mounted on standard Explore Scientific Triplet Apos. Simply unscrew the eyepiece holder on the Explore Scientific Apo from the main focuser tube and the supplied ES Flattener/Reducer adapter ring screws on to the exposed ring.This Reducer Corrector is ideal for large format cameras and imager sensors. Vignetting is exceptionally well-controlled, due to its large aperture.
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