FUJIFILM Rear Lens Cap for FUJIFILM X-Mount Lenses

FUJIFILM Rear Lens Cap for X-Mount Lenses – OEM Precision Fit, Twist-Lock Design, Full Rear Element Protection

The FUJIFILM Rear Lens Cap for FUJIFILM X-Mount Lenses is an essential, precision-engineered accessory designed to protect what matters most your lens investment. Built specifically for Fujifilm X-mount systems (XF and XC lenses), this genuine OEM rear cap delivers a perfect, factory-grade fit that generic alternatives simply cannot match. Featuring a secure twist-on bayonet locking mechanism, it aligns flawlessly with the mount interface, ensuring a snug, reliable seal every time you attach it. Crafted from durable, high-quality molded plastic, this cap is lightweight (approximately 10g) yet robust enough to withstand everyday handling, travel, and repeated use without warping or loosening. Its compact, low-profile design (approx. 55mm diameter × 8mm thickness) makes it easy to store while maintaining maximum functionality, and the matte black finish complements your gear with a clean, professional look.

Beyond its simple form lies critical protection, this rear lens cap is engineered to shield the rear glass element, electronic contacts, and mount flange from dust, dirt, scratches, and accidental fingerprints. These vulnerable components directly impact your lens performance, and even minor contamination can degrade image quality or cause long-term damage. By using an official Fujifilm cap (Model: RLCP-001 / Part No. 16389783), you ensure your lenses maintain optimal condition, preserving both optical clarity and resale value. Unlike third-party caps that may fit loosely or wear out quickly, this OEM solution guarantees precision tolerances and long-term durability, making it a reliable companion whether you're storing lenses, transporting gear, or swapping setups in the field. It’s a zero-maintenance, high-utility accessory that every Fujifilm shooter, professional or enthusiast should never overlook.

If you’re serious about protecting your gear and maximizing longevity, this is not optional, it’s essential. The FUJIFILM Rear Lens Cap for X-Mount Lenses offers unmatched compatibility, dependable build quality, and peace of mind every time your lens is off the camera. Whether you're organizing your kit or traveling between shoots, this small but powerful accessory ensures your equipment stays in pristine condition. Buy now and secure the protection your Fujifilm lenses deserve because smart photographers don’t compromise on the details.

Product Benefits:

• Protect your investment with confidence – Keeps the rear glass element, mount, and electronic contacts safe from dust, scratches, and damage that can affect image quality
• Perfect OEM fit every time – Designed specifically for Fujifilm X-mount lenses, ensuring a secure, gap-free seal you can trust
• Fast, hassle-free lens changes – Twist-lock mechanism lets you attach and remove the cap quickly without fumbling or forcing
• Avoid costly repairs and cleaning – Prevents contamination that could lead to expensive maintenance or permanent lens damage
• Reliable protection during travel and storage – Keeps your lenses safe in bags, cases, or on the go, even in demanding environments
• Lightweight with zero added bulk – Adds protection without weighing down your gear or taking up unnecessary space
• Durable for long-term use – Built to withstand repeated use without loosening, cracking, or wearing out
• Maintain peak optical performance – Helps ensure your lens stays clean and ready to deliver sharp, professional results
• Peace of mind between shoots – Know your gear is protected even when it's not mounted on your camera
• Better than generic alternatives – OEM precision eliminates the risk of loose fits or accidental detachment common with cheaper caps

Features:

OEM Precision Fit for Fujifilm X-Mount Lenses

Unlike generic rear caps that rely on loose tolerances, this FUJIFILM Rear Lens Cap is engineered specifically for the Fujifilm X-mount system, ensuring an exact, factory-grade fit across all XF and XC lenses. The mount interface aligns perfectly with the lens flange, eliminating gaps, wobble, or misalignment. This precision is critical, not just for a secure hold, but for maintaining the structural integrity of your lens mount over time. Choosing OEM means you’re getting the same standard Fujifilm designed for its own lenses, not a one-size-fits-all compromise.

Secure Twist-Lock Bayonet Mechanism

This rear lens cap uses a true bayonet-style twist-lock system, mirroring the way your lens attaches to your camera body. With a simple, smooth rotation, it locks firmly into place, giving you a reassuring click that signals full engagement. This mechanism prevents accidental detachment during transport or handling  something that cheaper friction-fit caps often fail at. The result is fast, intuitive usability combined with dependable security, especially valuable during lens swaps in fast-paced shooting environments.

Full Protection for Critical Lens Components

The rear of your lens houses some of its most sensitive and essential parts, including the rear glass element, metal mount, and electronic contacts. This cap acts as a protective barrier against dust, dirt, scratches, fingerprints, and debris, all of which can compromise image quality or even damage internal systems. By sealing off this vulnerable area, the cap helps maintain your lens in optimal condition, ensuring consistent performance and reducing the need for cleaning or repairs.

Durable, High-Quality Construction

Constructed from robust, high-grade molded plastic, this rear cap is built to handle real-world use. It resists cracking, warping, and wear even after repeated attachment and removal cycles. Whether you’re constantly swapping lenses on location or storing them long-term, the cap maintains its shape and locking precision. This durability ensures that you won’t need frequent replacements, making it a cost-effective and reliable long-term solution.

Lightweight, Compact, and Travel-Friendly

Weighing only around 10 grams and designed with a low-profile form factor, this rear lens cap adds virtually no bulk to your setup. It’s easy to carry multiple caps in your bag without clutter, making it ideal for photographers who work with multiple lenses. Despite its minimal size, it delivers maximum protection, proving that effective gear doesn’t have to be bulky or heavy.

Maintains Lens Performance and Longevity

Keeping the rear element clean isn’t just about aesthetics, it directly impacts your images. Dust or smudges on the rear element can degrade sharpness and contrast. By using this cap consistently, you help preserve optical clarity, autofocus accuracy, and electronic communication between lens and camera. Over time, this contributes to extending the overall lifespan of your lens, protecting both performance and resale value.

Essential Accessory for Storage and Transport

Whether your lens is sitting on a shelf or packed inside a camera bag, it’s exposed to environmental risks without proper protection. This rear cap ensures your lens is safely sealed when not in use, making it an indispensable tool for storage, travel, and everyday handling. It’s a small addition to your kit that plays a big role in keeping your equipment safe wherever you go.

Consistent Performance Across Your Entire Lens Kit

Because it’s designed for the entire Fujifilm X-mount ecosystem, you can use this single type of cap across all compatible lenses. This consistency simplifies your workflow, no guessing, no compatibility issues, no mismatched accessories. It’s a streamlined solution that supports both convenience and efficiency, especially for photographers managing multiple lenses.

Zero-Maintenance, High-Reliability Design

With no moving parts beyond the mount interface and no electronic components, this rear lens cap is built for effortless reliability. There’s nothing to charge, calibrate, or maintain. It simply works every time. This makes it one of the most dependable accessories in your kit, delivering consistent protection without requiring attention or upkeep.

Professional-Grade Accessory Trusted by Photographers

This is not an optional add-on, it’s a standard accessory included with Fujifilm lenses for a reason. Professionals and enthusiasts alike rely on it daily to protect their gear. Its proven design, combined with Fujifilm’s manufacturing standards, makes it a trusted choice for anyone serious about maintaining their equipment at a high level.

Superior Alternative to Generic Lens Caps

Third-party caps may seem similar, but they often fall short in fit, durability, and reliability. Loose fits can lead to accidental detachment, while inferior materials can wear out quickly. This Fujifilm OEM cap eliminates those risks by delivering precision engineering, consistent quality, and dependable performance, making it the smarter, safer choice for protecting your lenses.

• Lens Storage: Safely cover the rear of your Fujifilm X-mount lenses when not in use.
• Travel Protection: Prevent dust and scratches while carrying lenses in bags or cases.
• Lens Swapping in the Field: Protect the rear element immediately when changing lenses during shoots.
• Studio Organization: Keep multiple lenses clean and protected when stored on shelves or racks.
• Long-Term Equipment Storage: Preserve lens condition during extended periods of non-use.
• Transport Between Locations: Shield sensitive mount contacts during movement between shoots.
• Backup Lens Protection: Keep spare lenses ready and clean for quick deployment.
• Retail or Resale Preparation: Maintain lens condition and value for resale or display.
• Dust-Prone Environments: Essential for use in outdoor, construction, or sandy shooting locations.
• Professional Gear Management: Standard accessory for photographers managing multiple lenses in daily workflows.

Pros

• OEM Authenticity: Genuine Fujifilm product ensures perfect fit and full compatibility.
• Secure Locking Mechanism: Twist-lock (bayonet) design prevents accidental detachment.
• Comprehensive Protection: Effectively protects rear lens element, mount, and electronic contacts.
• Durable Build: High-quality plastic construction supports long-term use.
• Compact & Lightweight: Adds no noticeable bulk or weight to your gear.
• Versatile Use: Ideal for storage, travel, and lens swapping scenarios.
• Preserves Lens Value: Helps maintain optical performance and resale condition.
• Maintenance-Free: Requires no upkeep for reliable performance.
• Universal X-Mount Fit: Compatible with all Fujifilm X-mount lenses.

Cons

• Limited Compatibility: Only works with Fujifilm X-mount lenses.
• Basic Feature Set: No advanced features like weather sealing or rubber gasket.
• Small Size: Easy to misplace if not stored properly.
• Redundancy: Often included with lenses, which may reduce the need for extra units.

• Product Name: FUJIFILM Rear Lens Cap for FUJIFILM X-Mount Lenses
• Model Number: RLCP-001
• Part Number: 16389783
• UPC: 074101022711
• Brand: Fujifilm
• Product Type: Rear lens cap
• Accessory Category: Lens protection accessory
• Compatible Mount: FUJIFILM X-Mount
• Compatible Lens Series: FUJIFILM XF and XC lenses
• Attachment Type: Twist-on bayonet mount
• Fit Type: Genuine OEM precision fit
• Locking Mechanism: Rotational twist-lock engagement
• Material: Durable molded plastic
• Color: Black
• Finish: Matte black finish
• Construction: Single-piece molded design
• Approximate Diameter: 55 mm
• Approximate Thickness: 8 mm
• Approximate Weight: 10 g
• Profile: Slim, compact, low-profile design
• Primary Function: Protects the rear of the lens when not attached to a camera body
• Protection Coverage: Rear lens element, lens mount flange, and electronic contacts
• Protection Against: Dust, dirt, debris, scratches, fingerprints, and minor handling damage
• Use Case: Lens storage, travel, transport, and field lens changes
• Reusable: Yes, designed for repeated attachment and removal
• Maintenance Required: No regular maintenance required
• Included in Box: 1 x FUJIFILM Rear Lens Cap
• Warranty: Limited manufacturer warranty
• System Compatibility: Fujifilm X System
• Intended Use: Digital mirrorless lens protection

• Included: 1 x FUJIFILM Rear Lens Cap for FUJIFILM X-Mount Lenses

Is this rear lens cap compatible with all Fujifilm lenses?

This rear lens cap is specifically designed for FUJIFILM X-Mount lenses, including XF and XC series. It is not compatible with Fujifilm G-Mount or other camera brands.

What is the main purpose of a rear lens cap?

The rear lens cap protects the back of your lens, including the rear glass element, electronic contacts, and mount, from dust, scratches, and damage when the lens is not attached to a camera.

Does this cap provide a secure fit?

Yes, it features a twist-on bayonet mount design that ensures a tight, secure, and precise OEM fit, reducing the risk of accidental detachment.

Is this an original Fujifilm product?

Yes, this is a genuine Fujifilm OEM accessory, ensuring proper compatibility, build quality, and long-term reliability compared to third-party alternatives.

Can I use this cap for long-term lens storage?

Absolutely. This cap is ideal for both short-term and long-term storage, helping maintain the cleanliness and condition of your lens over time.

Is the cap durable enough for frequent use?

Yes, it is made from high-quality molded plastic designed to withstand repeated attachment and removal without cracking or loosening.

Does this cap add significant weight or bulk?

No, the cap is lightweight (approximately 10g) and features a slim, compact design that adds virtually no bulk to your gear.

Is any maintenance required for this product?

No maintenance is required. However, occasional cleaning to remove dust or debris will help maintain optimal performance.

Can this cap prevent all types of damage?

It provides excellent protection against dust, scratches, and minor impacts, but it is not designed to withstand heavy impact or extreme environmental conditions.

Does the cap come included with Fujifilm lenses?

In most cases, Fujifilm lenses include a rear lens cap as a standard accessory, but this product is available separately as a replacement or spare.