T-SM100RR - M100.75 x 0.5 Retaining Ring for Ø100 mm Mounts
T-SM100RR - M100.75 x 0.5 Retaining Ring for Ø100 mm Mounts
- Standard Retaining Rings for Optics Ranging from Ø75 mm to Ø4"
- Thread M100.75 x 0.5
- Thickness 0.16" (4.1 mm)
- Clear Aperture Ø3.80" (Ø96.4 mm)
Our Standard Retaining Rings are manufactured from anodized aluminum and are offered in sizes to match our optic mounts and lens tubes, are designed to maximize the clear aperture while providing sufficient holding force.
Securing an optic using a retaining ring is a stable method for holding the optic since the optic is retained along its entire edge instead of just at a few points. Each retaining ring is machined with two slots for compatibility with our selection of spanner wrenches.
| T-M100.75 x 0.5 Threading | |||
|---|---|---|---|
| Internal Thread | External Thread | ||
| Min Major Diameter | 100.750 mm | Max Major Diameter | 100.730 mm |
| Min Pitch Diameter | 100.425 mm | Min Major Diameter | 100.621 mm |
| Max Pitch Diameter | 100.568 mm | Max Pitch Diameter | 100.405 mm |
| Min Minor Diameter (and 83.3% of Thread) |
100.209 mm | Min Pitch Diameter | 100.297 mm |
| Max Minor Diameter (and 64.9% of Thread) |
100.344 mm | Max Minor Diameter | 100.188 mm |