Pentax Rear Lens Cap S (Screwmount)

SKU: PXRLCS MFR: 31001
$12.60
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Key Features

  • Safeguard your valuable Pentax lenses with this durable rear lens cap.
  • Provides scratch protection, keeping your Pentax lens pristine and ready to use.
  • Ensures a snug fit for Pentax screwmount lenses, preventing dust and debris.
  • Easy removal and attachment makes this lens cap a convenient accessory.
  • Affordable price point for essential protection of your Pentax photography gear.
  • Maintain your lens investment with this high-quality Pentax rear lens cap.
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Special Order?Estimated to Ship: 08/05/2026
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Pentax Rear Lens Cap Specifications

  • Mount Type

    M42 Universal Screw Mount (42mm diameter, 1mm thread pitch)

  • Dimensions

    2.4 x 2.4 x 0.2"

  • UPC Code

    027075006461

Designed For Use With:

  • Pentax Lenses

Need Help?

For any questions about compatibility with this product, call us at 800-223-2500 or you can email us any time.

About Pentax Rear Lens Cap

The Pentax 31001 Rear Lens Cap is an essential protective accessory designed specifically for classic threaded M42 screwmount lenses. Crafted from durable, high-grade composite materials, this genuine cap securely twists onto the rear mount of your vintage glass to seal out dust, moisture, fingerprints, and accidental smudges. Whether you are storing your gear in a camera bag or swapping lenses on the fly during a shoot, this cap ensures the delicate rear element and mechanical linkages remain completely shielded from scratches and impact damage.

Pentax Rear Lens Cap Features

  • Threaded M42 compatibility screws directly onto classic universal screwmount lenses for a perfect snug fit
  • Robust element protection shields delicate rear glass and mechanical linkages from scratches and dust bunnies
  • High grade composite build provides long lasting durability and impact resistance inside a packed gear bag
  • Secure twist locking mechanism prevents the cap from accidentally slipping off during active travel or storage
  • Compact lightweight design adds zero bulk or unnecessary weight to your vintage photography kit
  • Essential field preservation guards against ambient moisture and fingerprint smudges during rapid lens changes

Compatibility

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Designed for use with: Pentax Lenses .

Key Features

  • Safeguard your valuable Pentax lenses with this durable rear lens cap.
  • Provides scratch protection, keeping your Pentax lens pristine and ready to use.
  • Ensures a snug fit for Pentax screwmount lenses, preventing dust and debris.
  • Easy removal and attachment makes this lens cap a convenient accessory.
  • Affordable price point for essential protection of your Pentax photography gear.
  • Maintain your lens investment with this high-quality Pentax rear lens cap.

What's in the box:

  • Pentax Rear Lens Cap Screwmount
  • Pentax 1 Year Limited Warranty