Item Weight: 8.3 ounces
ASIN: B01CS5F1SA
Manufacturer: Orion
Optimize the imaging performance of your Orion EON 104mm ED-X2 refractor with this specially designed Field Flattener
Eliminates inherent field curvature to provide an optically flat field without any misshapen stare near the edge of the field-of-view
55mm backfocus distance works with most DSLR cameras without requiring additional extension rings
Includes interchangeable standard T-thread (M42) camera attachment adapter and a wider-format M48 adapter
Tapered 2 barrel securely fits in the EON 104mm ED-X2 focuser. For photographic use only