Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

Product Description Description The Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00 is a versatile accessory for astrophotographers. This field flattener and coma corrector is designed to provide a flat and distortion-free image across a full frame sensor or large format CCD. It has a focal length of 100mm and a focal ratio of f/5.6, making it ideal for astrophotography. This field flattener and coma corrector features a 7-element optical design that includes a low dispersion ED element that helps to reduce chromatic aberration and color fringing. The optics are fully multi-coated to ensure maximum light transmission and contrast. The FFFR507X-00 has a 2" barrel with a brass compression ring that ensures a secure and tight fit without marring or damaging your equipment. It also comes with a 48mm thread that allows you to attach accessories such as a DSLR camera or filter wheel. Overall, the Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00 is a must-have accessory for astrophotographers who want to improve the quality of their images. With its high-quality optics and sturdy construction, this field flattener and coma corrector is built to last and deliver stunning images for years to come. Specs Item Number FFFR507X-00 Weight 1.4lb; .64kg Diameter 78.3mm Height 90.1mm Warranty Limited USA One Year Warranty when product is registered within 60 days of purchase.