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Pair of metal 55mm filter stack caps, one male one female, silver finish

ProOPTIC

ProOPTIC Filter Stack Caps 55mm

SKU CH-T3W4-H403A

Protects stacked 55mm filters with male and female metal caps that seal out water and dust while helping remove stuck filters

  • Durable metal construction ensures long-lasting protection for your filters
  • Male and female caps screw onto 55mm filter threads for secure stacking
  • Water and dust-tight seal keeps filters clean and damage-free
  • Helps unscrew stuck stacked filters directly on the lens
  • Compact design fits unused spaces in camera bags for efficient storage

ProOPTIC 55mm Filter Stack Caps

These metal caps protect 55mm threaded filters from water and dust by screwing onto the front and rear threads. The pair creates a compact, sealed unit that keeps filters clean and ready for use. They also help unscrew stuck stacked filters from lenses. The design fits into small spaces inside camera bags.

55mm thread compatibility

The caps only work with filters that have a 55mm front thread, so the single decisive specification is the thread diameter. Both male and female caps match that size, allowing any same-size filters to be stacked and sealed together. No other thread size is supported by this model.

Suited for photographers with 55mm filters

Photographers who carry multiple 55mm filters gain secure, weather-tight storage and a tool for stuck threads. Buyers who need caps for a different thread diameter or who want individual lens caps instead of a stacking pair should look at other options.

How it compares

Measured against everything we stock in Lens Filters & Polarizers, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 84% of the 1,281 comparable items (median $48.99).

Specifications

No published specifications for this item yet.

Questions about this item

What does the 55mm figure mean for my filter stack?

The 55mm figure matches the thread size of your filters; these caps screw onto that thread to seal the stack.

What thread standard do the caps use and what does it limit?

They use standard 55mm filter threads, so they only fit filters and lenses with that exact thread pitch.

What physical clearance do I need to fit the caps on stacked filters?

The caps add minimal height, threading onto the front and rear of the stack to form a compact, water and dust-tight unit.

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