Quick Summary
The Sony ALCF55S.SYH lens cap is a front lens cap for Sony lenses with a 55 mm diameter. It is designed to help protect the front element from dust, dirt, fingerprints and accidental marks when the lens is not in use. The clip on design makes it quick to attach and remove, and it is supplied in black.
Who It Is Best For
This lens cap is best for Sony camera users who need a replacement or spare cap for a lens with a 55 mm front diameter. It suits people who swap lenses often, store kit in a camera bag, or want straightforward protection for a compatible lens.
What To Know Before You Buy
It is designed specifically for 55 mm lenses, so you should check the diameter marking on your lens before ordering.
Pros: A simple clip on fit makes it easy to use and helps keep the front element covered when the lens is stored.
Cons: It only suits lenses with a 55 mm diameter.
If your lens uses a different size, this cap will not be the right fit.
Common Buyer Questions
What does this lens cap fit?
It fits Sony lenses with a 55 mm front diameter.
Is this a replacement or spare cap?
Yes, it is suitable as a replacement or spare front lens cap.
How does it attach?
It clips onto the front of the lens.
What does it help protect against?
It helps protect the front element from dust, dirt, fingerprints and accidental marks.
Should I check anything before ordering?
Yes, check that your lens has a 55 mm diameter before you buy.
Key Details
| Detail | What it means in use |
|---|---|
| Product type | Front lens cap |
| Brand | Sony |
| Model | ALCF55S.SYH |
| Diameter compatibility | 55 mm |
| Colour | Black |
| Mounting | Clip on front fitting |
| Compatibility | Sony lenses with 55 mm diameter |
| Box contents | One lens cap |
Final Buying View
If you need a Sony lens cap for a 55 mm lens, this is a straightforward choice that gives you a proper fit for the right diameter. It is a practical spare or replacement for keeping the front element covered between uses. Check your lens size before ordering, then choose it if you want a simple cap that clips on quickly.





