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Polaroid PLSUR4358 43mm to 58mm Adapter Ring — main product image
Polaroid PLSUR4358 43mm to 58mm Adapter Ring
Polaroid PLSUR4358 43mm to 58mm Adapter Ring
Polaroid PLSUR4358 43mm to 58mm Adapter Ring
Polaroid PLSUR4358 43mm to 58mm Adapter Ring
Polaroid

Polaroid PLSUR4358 43mm to 58mm Adapter Ring

★★★★★5.0 (1 reviews)

Aluminum step-up adapter ring that lets you mount 58mm filters on any lens with a 43mm filter thread.

$6.30*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Polaroid PLSUR4358 is an aluminum step-up adapter ring that threads onto a 43mm lens filter thread on one side and accepts 58mm filters, hoods, or other threaded accessories on the other. This allows photographers to standardize on a single, larger filter size — purchasing one set of 58mm filters and sharing them across lenses with different, smaller thread diameters. Because the filter is larger than the lens thread, the step-up configuration avoids the vignetting that can occur when stepping down to a smaller filter size.

The ring is machined from aluminum, providing a secure, smooth threading action and better durability than plastic adapters. It is thin-profile enough to avoid adding significant bulk or weight to a lens setup. For photographers who own multiple lenses with 43mm filter threads — or who want to share an existing 58mm filter collection — this adapter ring eliminates the cost and inconvenience of maintaining duplicate filter sets for every lens diameter.

Specifications

Brand
Polaroid
Model
PLSUR4358
Lens-Side Thread
43mm
Filter-Side Thread
58mm
Material
Aluminum
Type
Step-Up Adapter Ring

Pros & Cons

👍 Pros

  • Aluminum construction is lightweight and more resistant to cross-threading than plastic alternatives
  • Enables use of larger 58mm filters on 43mm lenses, reducing the need to buy duplicate filter sets
  • Stepping up in size avoids the vignetting risk associated with step-down rings

👎 Cons

  • Adds slight physical length to the lens-and-filter stack, which may affect balance on very small lenses
  • Original 43mm lens cap no longer fits when the adapter is attached, requiring a 58mm replacement
  • Only bridges the specific 43mm-to-58mm size gap — other thread combinations require separate rings

Frequently Asked Questions

It bridges two different filter thread sizes, allowing you to attach a larger filter (58mm in this case) to a lens with a smaller filter thread (43mm), so you can use one set of larger filters across multiple lenses.
Step-up rings generally do not cause vignetting because the filter is larger than the lens thread. However, stacking multiple rings or using very wide-angle focal lengths may introduce some corner darkening.
With the adapter ring mounted, you would need a 58mm lens cap instead of your original 43mm cap, since the front thread size is now 58mm.
It is made of aluminum, which keeps it lightweight and resistant to cross-threading compared to lower-quality materials.

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