Introduction
This instruction manual provides essential information for the proper use and care of your Fotodiox Rear Lens Cap. Designed to protect the rear element of your valuable lenses, this cap ensures dust, moisture, and scratches are kept at bay when the lens is not mounted on a camera body.
Product Overview
The Fotodiox Rear Lens Cap is a durable accessory crafted from high-impact plastic, offering a secure fit for your lenses. It is specifically designed for compatibility with Sony Alpha A-Mount and Minolta AF DSLR camera lenses.
Compatibility:
- Sony Alpha A-Mount Lenses (e.g., A100, A200, A230, A290, A300, A330, A350, A380, A390, A450, A500, A550, A560, A580, A700, A850, A900, SLT-A35, A33, A37, A55, A57, A65, A77)
- Minolta AF Lenses (e.g., 5D, 7D, 7, 9xi, 7xi, 5xi)

Figure 1: Exterior view of the Fotodiox Rear Lens Cap. This image shows the cap's textured edge for grip and the central flat surface.

Figure 2: Interior view of the Fotodiox Rear Lens Cap. This image displays the internal mounting tabs designed to securely attach to the lens.
Setup
Before attaching the rear lens cap, ensure both the lens's rear element and the interior of the cap are clean and free from dust or debris. Use a soft, lint-free cloth or a blower brush if necessary.
Operating Instructions
Attaching the Rear Lens Cap:
- Hold your lens securely with one hand.
- Align the Fotodiox Rear Lens Cap with the rear mount of your lens. Ensure the alignment marks (if present on your lens) match the cap's orientation.
- Gently push the cap onto the lens mount.
- Rotate the cap clockwise until it clicks into place and feels secure. Do not overtighten.
Removing the Rear Lens Cap:
- Hold your lens securely with one hand.
- Rotate the cap counter-clockwise until it loosens.
- Gently pull the cap straight off the lens mount.
Maintenance
To ensure the longevity and effectiveness of your rear lens cap:
- Cleaning: Wipe the cap periodically with a soft, dry, lint-free cloth. For stubborn dirt, a slightly damp cloth can be used, followed by immediate drying. Avoid harsh chemicals or abrasive materials.
- Storage: Store the cap in a clean, dry environment away from direct sunlight and extreme temperatures when not in use.
- Inspection: Regularly inspect the cap for any cracks or damage that might compromise its protective function.
Troubleshooting
Cap does not fit securely:
- Check Compatibility: Ensure your lens is a Sony Alpha A-Mount or Minolta AF lens, as listed in the compatibility section.
- Inspect for Obstructions: Verify there is no debris or foreign object preventing the cap from seating correctly.
- Proper Alignment: Confirm the cap is correctly aligned with the lens mount before rotating.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 1 x 1 x 1 inches |
| Item Weight | 0.48 ounces |
| Model Number | 10CAP-SN-R |
| Manufacturer | Fotodiox Inc. |
| Date First Available | August 1, 2010 |
Warranty Information
This Fotodiox Rear Lens Cap comes with a 24 Month Manufacturer Warranty from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accident, modification, or unauthorized repair.
Support
For further assistance, technical support, or warranty inquiries, please visit the official Fotodiox website or contact their customer service department. Refer to the packaging or the Fotodiox website for the most current contact information.
Fotodiox Website: www.fotodioxpro.com