Accessory · MSRP $29
Astro-Physics 2.7" Spacer Rings, Set of 3 (SRSET-27)
Key specifications
| Accessory type | Adapter |
|---|
All specifications
| Interface | Slips over the 2.7" thread of AP flatteners and TCCs |
|---|---|
| Compatible with | AP field flatteners and telecompressor correctors with 2.7" threads; AP 2.7" extensions (EXT27-) |
About
A set of three 1 mm thick spacer rings that slip over the 2.7-inch thread of Astro-Physics telecompressor correctors and CCD field flatteners, letting backfocus spacing be trimmed in 1 mm steps for sensor and camera combinations that want slightly different spacing.