Free Shipping & Extended ReturnsLearn more
Rear Lens Cap for A-mount Cameras
$4.99
$4.99
Join My Sony
and get 5% back in points
Free Shipping :
Out Of Stock
Benefits of Buying Directly From Sony
-
Easy Returns
-
Join Now to My Sony Membership
-
Free Shipping
-
Starting 0% APR with Affirm
-
Up to 5% Back in My Sony Points
Frequently Bought Together
Recently Viewed
©2007 Sony Electronics Inc. All rights reserved. All other trademarks are property of their respective owners. Features and specifications are subject to change without notice. Non-metric weights and measures are approximate.
What does the Sony ALC-R55 do?
The ALC-R55 is a rear lens cap that protects the rear glass element and electronic contacts of A-mount lenses when the lens is not mounted on a camera. It shields against dust, dirt, debris, smudges, and scratches to help maintain lens performance and longevity.
Which lenses is the ALC-R55 compatible with?
It is specifically designed for Sony/Minolta A-mount (Alpha) lenses, including zoom, prime, and macro lenses. It fits as a rear cover on the lens itself, not the camera body.
Is the ALC-R55 the same as a body cap?
No. The ALC-R55 is a rear lens cap that covers the back of a lens, while a body cap covers the camera body when no lens is attached.
How does the ALC-R55 attach to a lens?
It uses a twist-on bayonet-style fit designed for Sony/Minolta A-mount lenses. The design allows for easy installation and removal to support quick lens changes.
Can I use the ALC-R55 for storage and travel?
Yes. The cap offers a snug, secure fit that keeps the rear element and contacts protected during storage and transport, especially when storing lenses separately from the camera body. It is also lightweight at around 0.07 lb, keeping overall kit weight low.
What is the ALC-R55 made from?
It is made from robust, durable plastic built to withstand regular use and transport while providing a secure fit that stays in place during storage or travel.
How much does the Sony Rear Lens Cap for A-mount Cameras (ALC-R55) cost?
MSRP is listed as $4.99. Given that, these models can go on sale from time to time, and there are several other opportunities to save on price like through their group discounts for education, healthcare and military/veterans (ID.me & Unidays) along with their free loyalty program that gives up to 5% back in points.
*FAQ generated on 07/23/2026. Financing, pricing and promotions may no longer apply.