Quick Summary
The Sony ALCF77S.SYH is a lens cap for 77 mm diameter lenses in black. It is made to cover the front of the lens when it is not in use, helping keep out dust and reducing the chance of scratches and dirt build-up.
The front carries the Sony logo. This makes the cap easy to identify when you are storing or handling camera kit.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Sony, which helps confirm the correct accessory range. |
| Model | ALCF77S.SYH, useful for matching the exact cap. |
| Product type | Lens cap for 77 mm diameter lenses. |
| Colour | Black. |
| Front marking | Sony logo on the front of the cap. |
| Material | Plastic. |
What to Compare Before Buying
- Lens size: This cap is for 77 mm diameter lenses, so check the lens diameter before ordering.
- Exact fit: Match the model reference if you are replacing an existing cap and want the same version.
- Colour and finish: The cap is black, which may matter if you want your accessories to match.
- Brand marking: The Sony logo on the front is a useful detail if you prefer branded camera accessories.
Before You Decide
Confirm that your lens uses a 77 mm diameter front before choosing this cap. If you are replacing an existing cover, check the model reference and the black finish so the match is correct.


