At72edii field flattener. In addition to reducing the focal length of the telescope and thereby...
At72edii field flattener. In addition to reducing the focal length of the telescope and thereby increasing the photographic speed, the ATRF72 flattens the normal field curvature inherent in all refractors to provide images that are sharply focused out to the very corners of a large format DSLR chip. Nov 7, 2022 · However they are located in Denmark and I'm not sure if you can get one shipped to the US. Just opened to take photos. 8x Reducer/Field Flattener for the newer AT72EDII (#ATRF72). Jul 8, 2025 · Brand new. Trying to slowly thin out my collection. When projected onto a flat sensor, star images become increasingly out-of-focus and smeared with distance from the center of the field. AstroTech AT72EDII Refractor OTA FPL-53 and Lanthanum f/6 Doublet AT72ED2 Astro-Tech . 8X Reducer for 72EDII (ATRF72) is an equipment item of class Accessory on AstroBin equipment database. In addition to reducing the focal length of the telescope and thereby increasing the photographic speed, the ATR8 flattens the normal field curvature inherent in all refractors to provide images that are sharply focused out to the very corners of a large format DSLR chip. In addition to reducing the focal length of the telescope and thereby increasing the photographic speed, the ATRF72 flattens the normal field curvature inherent in all refractors to provide images that are sharply focused out to the very corners of a large format DSLR chip. . Jan 22, 2024 · Refracting telescopes generally have curved focal surfaces. Astro-Tech . Price includes shipping anywhere in the continental United States. Also included at no additional cost are a Meade 2" mirror diagonal and Astro-Tech 42mm camera adapter. Scopes: Explore Scientific ED80CF, Skywatcher 200 Quattro Imaging Newt, SeeStar S50 for EAA. 8x Reducer Field Flattener For the 72EDII Optical Tubes ATRF72 Included with the refractor is a like-new Astro-Tech 0. The Long Perng 2" flattener can be used with the 2" adapter the TS scope shows it comes with. Forgot I had this. This curvature can be mitigated with an additional optical element called a field flattener. uol jak blv qdf ntm xgb cck yhx srp gxl dcu bjt psz oyc adw