



Urth 46mm Variable ND Filter ND2-400 (1-8.6 Stops)
Order by 2pm for same-day dispatch
Insured UK delivery £5.99, or collect free from our Harrogate shop
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Not sure it’s the right one?
Talk it through with people who use this kit every day, or come in and try it in your hands.
- 4.9 on GoogleFrom 137 reviews
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60+ yearsIndependent, in Harrogate
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Manufacturer warranty12 months or more
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Secure checkoutPayments by Shopify

The details
Buy with confidence
| Stock | In stock at Bass & Bligh |
|---|---|
| Dealer | Bass & Bligh is an authorised UK Urth dealer |
At a glance: Urth's 46mm ND2-400 variable ND filter adjusts by turning the ring, and the manufacturer advises against very wide or telephoto lenses.
About this accessory
The Urth 46mm Variable ND Filter changes density as you turn its ring, from about 1 stop (ND2) to 8.6 stops (ND400). It uses Japanese AGC optical glass with a multi-layer nano-coating in an ultra-slim aluminium frame, and screws onto a 46mm lens thread.
It is useful for slowing shutter speeds to blur water or movement, or for keeping a wide aperture in bright sun. Urth advises against using it on very wide-angle or telephoto lenses, so it suits standard focal lengths best.
Build & handling
| Filter type | Variable ND |
|---|---|
| Tier | Standard |
| Density range | ND2 to ND400 (1 to 8.6 stops) |
| Filter thread | 46mm |
| Glass | Japanese AGC optical glass |
| Coating | Multi-layer nano-coating |
| Frame | Ultra-slim aluminium |
| Warranty | Lifetime |
Works with
- Lenses with a 46mm filter thread
Best for
Suited to long exposures of water and skies, and portraits at wide apertures in strong sun, using lenses of normal focal length. Check your lens for a 46mm thread before ordering.
Frequently asked questions
Will the 46mm Variable ND Filter fit my lens?
It fits lenses with a 46mm front filter thread. Check the ø figure marked on the front of your lens or on its cap. A lens marked ø46 takes this filter directly, and the lens manual lists the thread size too.
What does 1 to 8.6 stops mean?
Each stop halves the light. At its lightest setting (ND2) it cuts one stop, and at its darkest (ND400) about 8.6 stops, so you can lengthen a shutter speed several hundred times over.
Can I use a variable ND on a wide-angle or telephoto lens?
Urth advises against using this filter on very wide-angle or telephoto lenses. It is best used on lenses of standard focal lengths.
Can I use a 46mm filter on a lens with a smaller thread?
Yes, with a step-up ring from your lens's thread size to 46mm. It lets one filter serve more than one lens, though a ring adds a little length and can cause vignetting on wide-angle lenses.
Why buy from Bass & Bligh
Bought from a real shop, not a warehouse.
Dispatched on the Monday… great service
Ordered a Panasonic four thirds lens dispatched on the Monday after purchase and delivered on the following Tuesday great service. Tried on the camera and initial thoughts are wow pin sharp and clear photos. Thank you
George P.Ordered a lens onlineA proper little treasure trove
3rd time I've been to this shop to treat myself to some new kit. Always very friendly and knowledgeable. Fairly priced too. I would highly recommend a visit if your nearby and looking for camera gear. I'd say if they don't have what your looking for, it's probably not possible to find anywhere. It's a proper little treasure trove.
Philip B.Third visit to the shopBrilliant advice with awesome customer service
Sure you can buy online and possibly save a few pounds.. but if you require and appreciate knowledge and brilliant advice with awesome customer service then it's a no brainer...This is a real camera shop like it used to be back int day..
Malcolm S.

