TS-Optics Canon RF / EOS R and RP camera T-ring — M48 × 0.75 This T-ring connects a Canon RF / EOS R and RP camera body to a matching M48 × 0.75 telescope-side interface.
Manufacturer model: TS-Optics Canon RF / EOS R and RP camera T-ring — M48 × 0.75 · Specifications checked against manufacturer data on 2026-11-04
This T-ring connects a Canon RF / EOS R and RP camera body to a matching M48 × 0.75 telescope-side interface.
The manufacturer lists an effective adapter length of 9.8 mm. For the RF version, the specified distance from the M48 interface to the camera sensor is 29.8 mm; it is not the same as the ring body length.
This version is for the Canon RF / EOS R and RP bayonet. Similar camera names do not make Sony E, Canon EF and Canon RF rings interchangeable.
TS-Optics manufacturer documentation
Canon RF (EOS R/RP) adapter, not EF or Sony E. 9.8 mm adapter length and 29.8 mm M48-to-sensor distance are different measurements.
| Connection camera side | Canon RF mount |
|---|---|
| Connection telescope side | M48 (M48x0.75) internal thread |
| Diameter of the t ring after removing the m48 dovetail ring | 54.6 mm inner diameter |
| Working distance t2 thread to sensor | 29.8 mm |