T-SM1.5RR - SM1.5 Retaining Ring for Ø1.5" Lens Tubes and Mounts
T-SM1.5RR - SM1.5 Retaining Ring for Ø1.5" Lens Tubes and Mounts
- Standard Retaining Rings for Optics Ranging from Ø30 mm to Ø1.5"
- Thread SM1.5 (1.535"-40)
- Thickness 0.10" (2.5 mm)
- Compatible Optic Mounts Any Internally SM1.5-Threaded Mount
- Clear Aperture Ø1.38" (Ø34.9 mm)
- Compatible Spanner Wrench T-SPW801 or T-SPW608
| T-SM1.5 (1.535"-40.0) Threading | |||
|---|---|---|---|
| Internal Thread, UNS-2B | External Thread, UNS-2A | ||
| Min Major Diameter | 1.5350" | Max Major Diameter | 1.5339" |
| Min Pitch Diameter | 1.5188" | Min Major Diameter | 1.5288" |
| Max Pitch Diameter | 1.5236" | Max Pitch Diameter | 1.5177" |
| Min Minor Diameter (and 83.3% of Thread) |
1.508" | Min Pitch Diameter | 1.5140" |
| Max Minor Diameter (and 64.9% of Thread) |
1.514" | Max Minor Diameter | 1.5068" |