T-SM30RR - SM30 Retaining Ring for Ø30 mm Lens Tubes and Mounts
T-SM30RR - SM30 Retaining Ring for Ø30 mm Lens Tubes and Mounts
- Standard Retaining Rings for Optics Ranging from Ø30 mm to Ø1.5"
- Thread SM30 (M30.5 x 0.5)
- Thickness 0.08" (2.0 mm)
- Compatible Spanner Wrench T-SPW607 or T-SPW801
- Compatible Optic Mounts Any Internally SM30-Threaded Mount
- Clear Aperture Ø1.10" (Ø27.9 mm)
| T-SM30 (M30.5 x 0.5) Threading | |||
|---|---|---|---|
| Internal Thread | External Thread | ||
| Min Major Diameter | 30.500 mm | Max Major Diameter | 30.480 mm |
| Min Pitch Diameter | 30.175 mm | Min Major Diameter | 30.371 mm |
| Max Pitch Diameter | 30.302 mm | Max Pitch Diameter | 30.155 mm |
| Min Minor Diameter (and 83.3% of Thread) |
29.959 mm | Min Pitch Diameter | 30.059 mm |
| Max Minor Diameter (and 64.9% of Thread) |
30.094 mm | Max Minor Diameter | 29.938 mm |