Home > Telescope Accessories > Astro Imaging > Field Flatteners
Model: 20096Brand: Skywatcher
Generally In Stock, Please Confirm Before Ordering
Designed specifically for the Sky-Watcher Esprit-150 ED Apo Refractor, the new three-lens Focal Reducer/Flattener has a reduction factor of 0.77x. It comes with a standard adaptor with M48 thread edge and 55mm back focus for use with Sky-Watcher's M48 Canon EOS (code 20237) and Nikon (code 20238) adaptor rings. After removing the adaptor, an M71x1 internal thread with maximum 75mm back focus is available for self-made adaptor solutions. The Reducer/Flattener produces a fully illuminated and corrected image circle of 36mm diameter and is therefore perfectly suitable for image formats up to APS-C but can also be used for full format.
0.77x Focal Reducer / Field Flattener Specifications:Effectively reduces Focal Ratio of Esprit-150ED to f/5.4Three-Lens Fully Multi-Coated Optical DesignImage Circle: 36mmFull Frame Compatible2-Inch Filter Compatible75mm Back Focus or 55mm with supplied adaptorM48 x 0.75 AdaptorWeight: 910g (with end caps)
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