Back Focus Distance (measured from drawtube shoulder to the bottom T-Thread):
- 2" SCA T-Adapter: 0.75"/19mm
- 1.25" SCA T-Adapter: 0.71"/18mm
Standard Filter Thread:
- 2” SCA T-Adapter: 2”/48mm filter thread
- 1.25” SCA T-Adapter: 1.25” filter thread.
Dimension:
- 2" SCA T-Adapter: 2"/55mm dia. x 2"/55mm (L)
- 1.25" SCA T-Adapter: 1.97"/50mm dia. x 1.42"/36mm (L)
Weight:
- 2" SCA T-Adapter: 3 oz.
- 1.25" SCA T-Adapter: 1.86 oz.