| Coad | 670717 | Type | Fixed Lens Mount | |
| Optical Component Diameter (mm) | 50.80 | Optical Element Thickness (mm) | 9.20 | |
| Clear Aperture(mm) | 50.80 | Center Height (mm) | - | |
| Material | 6061-T6 Aluminum Alloy | Internal Thread Hole Specification | SM2 | |
| Bottom Threaded Hole Specifications | M4 | Cage Rod Mounting Method | - | |
| Surface Treatment | Black Anodized | Included Retaining Ring | SM2R x 1 |














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%High praise
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