Cokin - A Series Bay 50 Adapter Ring
This Cokin A Series Bay 50 CA401 adapter ring enables you to quickly adapt your A Series filter holder to an old-style B-50 Hasselblad lens to simplify the filter-attachment process.
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

Cardmember Offers


What's Included

  • Cokin A Series Bay 50 Adapter Ring

Product Features

Compatible with most lenses with a 36-62mm diameter

Plus more than a 35mm focal length for wide-ranging use.

Adapter ring

Allows you to mount your A Series filter holder to most old-style B-50 Hasselblad lenses for fast and easy attachment.

Compact size

Simplifies portability.

Product images, including color, may differ from actual product appearance.