77 mm lens cap, push-in, with leash eyelet
The 77 mm size of many pro zooms, with an eyelet on the rim for a keeper cord, so the cap hangs off the lens instead of going into a pocket and getting lost again.
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Specifications
| Fits | M77 × 0.75 filter thread |
|---|---|
| Cap | ⌀81 × 5 mm |
| Holds by | 45° ridge past the thread crests, 0.3 mm grip |
| Front | grip ribs and a leash eyelet |
| Material | PLA or PETG |
Printing
- Prints front face down, exactly as exported: no supports.
- Print the fit-test ring first; if the cap is loose or tight, change the grip by 0.1 mm.
- PLA is fine for push-in caps. Split tabs and the screw-in thread like PETG better.