Urth 43mm Circular Polarizing CPL Lens Filter - Cut Reflections, Rich

In this review the Urth 43mm Circular Polarizing (CPL) Lens Filter Plus+ is evaluated as a compact, optics-first accessory for landscape and outdoor photographers who want stronger color saturation and reflection control without adding bulk. The single biggest reason to buy is its optical construction: 20-layer nano-coated German SCHOTT glass combined with an ultra-slim rim delivers improved contrast and reduced glare while avoiding vignetting on wide lenses. The tester found it especially useful for water, glass and non-metallic surfaces where reflections often wash out detail.

Key Features

• Cut Reflections: Cuts up to 99.9% of polarized light to substantially reduce silver reflection on water, glass and other non-metallic surfaces for clearer scene detail.
• Adjustable Polarization: The rotating polarizer lets the user dial in the amount of polarization to boost contrast and color saturation for more vibrant images.
• Pro-Grade Glass: Uses 20-layer nano-coated German SCHOTT glass for excellent light transmission and a cleaner image baseline than untreated filters.
• Precision Engineering: Ultra-slim rim design minimizes vignetting on wide-angle setups so the filter does not darken corners on wider focal lengths.
• Durable Build: Crafted from tough magnalium for long-lasting resilience and backed for life for peace of mind during regular field use.

Who It's For

The Urth 43mm CPL is best suited to landscape, travel and outdoor photographers using lenses that accept 43mm filters who want to control glare and enrich skies and foliage without introducing vignetting. Its slim profile and pro glass construction are useful for shooters who value optical quality and compact form factor.

It is less appropriate for photographers who need larger thread sizes, who prefer variable ND functionality, or who require effortless, ultra-smooth rotation from the ring - some users reported the filter ring can bind and not rotate as freely as expected, so those prioritizing buttery rotation should compare options first.

Pros & Cons

Pros

• Excellent glare reduction on water and glass thanks to its high polarization efficiency.
• Noticeably richer color saturation and contrast when the polarization is adjusted correctly.
• Premium 20-layer nano-coated SCHOTT glass and slim rim reduce optical compromises and vignetting.
• Durable magnalium build and lifetime backing add long-term value.

Cons

• Some customers report binding or stiff rotation of the filter ring, which can make fine adjustments harder.
• Mixed feedback on picture color cast; results may require slight exposure or white balance tweaks in-camera.

Specifications

Product	43mm Circular Polarizing (CPL) Lens Filter Plus+
Optical glass	20-layer nano-coated German SCHOTT glass
Polarization	Circular polarizer; cuts up to 99.9% polarized light
Frame	Ultra-slim rim design to reduce vignetting
Material	Magnalium construction
Warranty	Lifetime backing

Our Verdict

The Urth 43mm CPL Filter Plus+ is a well-engineered polarizer that delivers meaningful glare reduction and richer colors for outdoor photographers using 43mm threads. Its pro-grade SCHOTT glass and slim rim make it a good value for image quality, though buyers who need a frictionless rotating ring or want a perfect, consistent color response may need to test for fit on their setup. Overall it is a durable, optically focused choice for landscapes and reflections work.

Frequently Asked Questions

Will this filter cause vignetting on wide lenses?
Its ultra-slim rim design is intended to avoid vignetting on wide-angle lenses, and most users report corner darkening is minimal or absent.

Does the filter rotate smoothly?
Rotation is possible to adjust polarization, but some reviewers have reported the ring can be stiff or bind; exampling the filter on your lens before extended shoots is advised.

What material is the glass and frame made from?
The filter uses 20-layer nano-coated German SCHOTT glass and a magnalium frame for durability and optical performance.