1. How can I determine the right filter size for my camera lens?

Find your lens filter size (in mm) printed near the Ø symbol on the lens or back of the lens cap. You can also find your filter size on your lens cap, or search online with your lens model, e.g., "Canon EF 24mm f1.4L USM II filter size" for 77mm.

2. What's the difference between the Urth and Urth Plus+ ranges?

Urth has two ranges: Urth (standard) with Japanese AGC glass and an 8-layer nano-coating, and Urth Plus+ (professional) with German SCHOTT glass and a 20-layer nano-coating (30 layers for UV Plus+).

3. Can I stack multiple filters?

Yes, our filters are double-threaded for stacking. For best image quality, use only one filter at a time as stacking can cause vignetting. Avoid stacking more than two filters.

4. What ND filter do I need?

Variable ND: Good for changing light. Fixed ND: Best for control. Remember, higher ND numbers mean more light restriction. For bright conditions or silky water effects, use ND64 to ND1000. ND64 is versatile for most situations.

5. What ND filter should I use with a telephoto or wide-angle lens?

For wide-angle and telephoto lenses, we recommend our Variable ND2-32, ND8-128 or fixed ND filters to avoid an x-cross effect in your photos.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Urth 37mm ND2-400 Variable ND Lens Filter - 1-8.6 Stop Range, Ultra-Slim 20-Layer Nano-Coated Neutral Density Filter for Cameras

Urth 37mm ND2-400 Variable ND Lens Filter - 1-8.6 Stop Range, Ultra-Slim 20-Layer Nano-Coated Neutral Density Filter for Cameras

Product ID: 269257228

Details

Brand
Urth
Coating description
Nano Coating
Material
Optical Glass
Photo filter effect type
Neutral
Photo filter thread size
37 Millimeters

🔒Locking rim prevents X-effect

🎛️1-8.66 f-stop range

🛡️20-layer nano-coated glass

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Description

🎥 Elevate your shots with precision control and zero compromise.

ULTRA SLIM DESIGN - Slim 37mm rim reduces vignetting, preserving edge-to-edge sharpness.
MASTER LIGHT CONTROL - Adjust from 1 to 8.66 f-stops for perfect exposure in any lighting scenario.
BUILT TO LAST A LIFETIME - Crafted from tough magnalium alloy and backed with a lifetime warranty for enduring performance.
DURABLE NANO COATED GLASS - 20-layer Japanese AGC glass ensures superior light transmission and scratch resistance.
PRECISION LOCKING MECHANISM - Secure min-max lock prevents over-rotation and eliminates the dreaded X-effect.

The Urth 37mm ND2-400 Variable ND Lens Filter offers a versatile 1 to 8.66 f-stop light reduction range, perfect for creative depth of field and long exposure photography. Featuring a locking rim to prevent over-rotation and X-effect, ultra-slim 20-layer nano-coated Japanese AGC glass for exceptional clarity, and a durable magnalium frame backed by a lifetime warranty, this filter is engineered for professional-grade optical performance and lasting resilience.

Specifications

ASIN	B088C3XN2K
Best Sellers Rank	#53,660 in Electronics ( See Top 100 in Electronics ) #128 in Camera Lens Neutral Density Filters
Brand	Urth
Coating Description	Nano Coating
Compatible Devices	Cameras with 37mm lens thread size
Customer Reviews	4.3 4.3 out of 5 stars (1,505)
Enclosure Material	Optical Glass
Item Dimensions L x W	37L x 37W millimeters
Item Weight	0.15 Pounds
Manufacturer	Urth
Manufacturer Part Number	UNDX400ST37
Maximum Shutter Speed	30 Seconds
Media Type	ProductImage
Model Number	UNDX400ST37
Photo Filter Factor	7 x
Photo Filter Size	37 Millimeters
Screen Size	37 Millimeters
Special Effect	Neutral Density
Thread Size	37 Millimeters
Water Resistance Level	Water Resistant

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