This K&F Concept Blue Multi-Coated UV Filter Slim 40.5mmfrom K&F Concept Blue Multi-Coated UV Filter Slim 40.5mmfits lenses with a 40.5mm filter thread, providing ultraviolet filtration to reduce haze, with the added benefit of protecting the lens from dust, debris, fingerprints, and impact. Made of Japanese optical glass, this filter also features multi-coating to reduce potential internal flare and glare. The slim profile design of this filter allows it to be used on wide-angle lenses without vignetting.

Clear Protection UV Filter    Prevents Damage to Lens    1x Filter Factor, +0 Stop    Multi-Coating    No Effect on Image    Japanese Optical Glass

Related Questions and Answers

Q: 1. Where is this filter currently made: Japan or the Philippians (or elsewhere)?

A: This filter is made in Japan.

Q: 2. Are these filters glass or resin?

A: The K&F Concept ND2-ND400 Blue Multi-Coated Variable ND Filter (72mm) is a glass filter.

Q: 3. Is the front side of this filter threaded for mounting another another filter?

A: K&F Concept Green Multi-Coated Schott B270 German Optics Slim UV Filter (86mm) front threaded are not for mounting other filters, if you need to put different filters in one lens you can consider K&F Concept Magnetic Filter Kit or Square Filter Holder Approv

Q: 4. Is there any polarization effect with this filter?

A: The K&F Concept ND2-ND400 Blue Multi-Coated Variable ND Filter (82mm) reduces exposure, but there is no polarization effect.

Q: 5. this filter works with SIGMA ART 18-35 1.8f?

A: Would love to answer this question but I was sent the wrong size filter and am sitting at the beach with my camera and no ultraviolet filter to protect my lens.

Q: 6. Hi will this fit a 70-210 tokina lens

A: If the filter size of your lens is 58mm, then yes. That is an old lens and several versions of it were made, the filter size varies.

Q: 7. Does it have a front 49mm filter ring mount for mounting additional filters?

A: This slim filter does not have any threads on the front. You'll need a thicker 49mm filter to use for stacking or have this as the last filter in the stack.

Q: 8. Would this fit a Fuji X10?

A: Yes, this Hoya 40.5mm HMC UV Filter can fit the Fujifilm X10.

Q: 9. does it have a 67mm filter thread to stack another filter on top of it?

A: The K&F Concept ND2-ND400 Blue Multi-Coated Variable ND Filter (67mm) will be able hold another filter on top of it, the size of the filter to mount is 72MM.

Q: 10. I want to know the difference between the UV (c) and the UV alpha fitlerhttp://www.bhphotovideo.com/c/product/900341-REG/Hoya_calp77uv_77mm_Alpha_UV_Filter.html

A: The Alpha version is a standard type of UV filter, the C version is a thinner version with shallower filter threads. This version is popular on wider lenses where vignetting can be a potential issue.