SVBONY SV209 Field Flattener 1.0x for SV550 80F6 M63x1 Connection

SV209 is a special field flattener for SV550 80F6 OTA, which can effectively improve the image quality problem of SV550 OTA fringe field curvature; At the same time, the focal length and focal plane position of the primary mirror remain unchanged;
The package of SV209 is equipped with an M63 extension tube and an M48 adapter ring to ensure that the back focal length of the flat field mirror is the astronomical conventional 55mm length;
The effective field of view of the 45mm large target surface supports not only half-frame cameras; but also full-frame cameras;
Built-in 2-inch filter mounting thread; supports 2-inch filter installation; customers do not need to buy a filter adapter ring separately;
Maximum working distance from the M63x1 internal thread: 103 mm - space enough for almost all adaptations.
1. SV550 80 OTA Field Flattener
2. M63 Extension Tube
3. M48 Adapter Ring
4. Connectable CAA Field Conditioner
5. FMC Coating
6. 2-inch Interface
7. Effectively Improving the Field Curvature Problem at the Edge of the Image