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Thin black metal ring, 55mm to 58mm step-up adapter

Bower

Bower 55/58 Step-Up Adapter Ring 55mm to 58mm

SKU CH-XRJA-C9DBT

A 55mm-to-58mm step-up ring lets you fit larger filters onto smaller lens threads

  • PartLens Adapters & Rings
  • TypeCamera Lens Adapters
  • Adapt 55mm lenses to accept 58mm filters
  • Precision machined and anodised aluminium construction
  • Secure threaded connection for filters and hoods
  • Extends filter compatibility across lens sizes
  • Cost-effective alternative to buying duplicate filters

Lens-to-Filter Adapter

The Bower 55/58 Step-Up Adapter Ring connects a lens with a 55mm thread to accessories that use a 58mm thread. It lets photographers keep using their existing 58mm filters, hoods or caps on a smaller-diameter lens. The anodised, machined aluminium construction resists wear and provides a secure, light-tight fit between the two thread sizes.

Sustained Use Behaviour

The matte anodised finish prevents reflections during long shooting sessions and resists corrosion from humidity or handling. Threads remain smooth after repeated mounting and removal, so the ring does not bind or cross-thread over time. Its all-metal construction does not flex, keeping filters aligned even when a heavy circular polariser or stacked ND filters are attached for extended periods.

Compatibility Check

Verify that your lens barrel carries a 55mm filter thread before ordering; the male side of the ring only fits that size. Confirm the accessory you intend to mount — filter, hood or lens cap — has a 58mm female thread. The ring adds a few millimetres of extension, so check that a lens hood or matte box still clears the front element on wide-angle lenses.

Highlights

  • Adapt 55mm lenses to accept 58mm filters
  • Precision machined and anodised aluminium construction
  • Secure threaded connection for filters and hoods
  • Extends filter compatibility across lens sizes
  • Cost-effective alternative to buying duplicate filters

Specifications

BrandBower
Model55/58
PartLens Adapters & Rings
TypeCamera Lens Adapters

Questions about this item

Does the Bower 55/58 adapter ring add any heat or noise during long shooting sessions?

No, the passive metal ring has no electronics, fans or moving parts, so it generates zero heat and makes no sound.

What thread size must my lens already have for this 55-to-58 ring to fit?

Your lens needs a 55 mm front filter thread; the adapter screws onto that thread and presents a 58 mm thread for filters or hoods.

Will this adapter work with my older 58 mm circular polariser and lens hood?

Yes, any standard 58 mm threaded filter, hood or accessory will mount on the adapter’s front threads once it is secured to the 55 mm lens.

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