The 55mm ND Lens Filter Plus+ from Urth provides a fixed 2 f-stop light reduction for better control with long exposure and depth of field techniques in low light. With less light entering your camera, you can also use wider apertures in low light for a beautiful shallow depth of field effect without overexposing images. Cinematographers can use the ND Filter Plus+ to create more cinematic effects in low light without losing quality or overexposing the shot. The Plus+ filter features 20-layers of nano-coating, which provides easier cleaning and better protection against water, oil, and scratches. These layers also provide a higher maximum light transmission and a more consistent transmission curve for truer light reduction.

1.2 Optical Density    20-Layer Nano-Coating    B270 Schott Optical Glass    Ultra-Slim Rim    Double-Threaded for Stacking Filters

The filter is double-threaded for stacking filters or using screw-mount lens caps.

The consciously designed ultra-slim rim avoids vignetting and our durable magnalium is guaranteed for life.

Reduce light to 25% to maintain your desired settings in overly bright conditions or create dramatic motion blur and shallow depth of field in low light conditions.

Urth Fixed ND4 Filter Plus+ lets you capture motion blur and depth of field effects in low light. It is great for landscape photography and cinematic effects in videography.

The B270 Schott optical glass is coated with a 20-layer nano-coating for truer light transmittance, better protection, and easier cleaning.

Related Questions and Answers

Q: 1. Does the lens have an aperture ring or is that controlled from the camera body?

A: While you can control the aperture of the Zeiss 55mm f/1.4 Otus Distagon T* Lens for Nikon F Mount on the camera body, the lens does feature an manual aperture ring which allows you to manually control the aperture on older SLR and DSLR cameras.

Q: 2. Canon focus screens

A: There are no interchangeable focus screens for the 5dmkiii. There is a focus confirmation beep with the center af point. If you have a eos1-n, 1-v, eos 3, or even a 5d up to mkii, they all accept the same screens. There is a split image/ microprism Fresnel (Ec-B) that would be helpful for those cameras; it is sold by B&H, but it is on backorder now. With 5dmkii just use af confirmation, or shoot in Live View and magnify to confirm focus. The microprism fresnel's are all in the Center anyway so it's the same deal. Wide open handheld with a figity subject is a tough. This lens is a powerful tool, but it does take a certain dedication to work with it. The results are worth the effort. Good luck!

Q: 3. Can the lens hood be reverse mounted on the lens for storage like classic Zeiss ZF.2 / ZE primes, or does the hood have to forever be either on or off the lens?

A: Yes, the lens hood is easily reversed and locks into place folded over the lens body. That's how I store it in my carry case. By the way, this is an astonishing lens. It is every bit as good as the 1.4 Leica lenses I used for many years, and it and the Zeiss 85 are why I have been able to move to Nikon bodies.

Q: 4. I regard to the question about the front threads:Note that the specs supplied by B&H say that the mfg has not provided that info. Upon receiving this filter hoping I could add the the Nikon R1C1 flash system to it (the reason I bought this unit instead of others that had no front threads) I can tell you that the threads are well over 77MM wide. I should have figured that out when the description states the filter is oversized.

A: The front threads are approximately 81mm on the XS-Pro 77mm Digital ND Vario. While it will not be possible to use the R1-C1 mounted on this filter, the flashes on the R1-C1 separate off the ring and the system comes with stands. You could mount the flashes onto stands and ultimately a tripod and light the subject in this manner, and just use the system without having the flash on the camera.

Q: 5. Is this Lens made in Germany?

A: The country of origin information is not yet posted in our system. Once the lens arrives into inventory, that type of information will become available. I am very confident however that the lens is manufactured in Germany. Once the lens arrives into stock, feel free to ask us again and we will be able to confirm then. - Yossi

Q: 6. If I made an order today, is there an estimated time to receive it? Thanks.

A: If you were to order this lens today a realistic time to receive it would be 6-8 weeks.

Q: 7. Can I mount this filter on my zeiss planar f 1.4 50 mm ?

A: If you own the Zeiss Planar T* 50mm F/1.4 ZF.2 Lens, B&H # ZE5014ZF2N, which has 58mm filter threads, yes, the B+W 58mm XS-Pro Digital ND Vario MRC nano Filter would be compatible for use with your lens.

Q: 8. Is this lens made in Germany?

A: The ZEISS Otus 55mm f/1.4 ZF.2 Lens for Nikon F is manufactured in Japan.

Q: 9. I purchased this filter from you earlier this month. The filter ring is oversized . Can you recommend a lens cap that would work with this filter? Thank you. - Michael

A: The front filter thread size of the B+W 72mm XS-Pro Digital ND Vario MRC nano Filter is 77mm. As such, any 77mm lens cap should fit onto the filter. If you need a particular recommendation, then I would recommend the Sensei 77mm Center Pinch Snap-On Lens Cap, B&H # SELC77, for your stated needs.

Q: 10. Can anyone explain the dot markings to stops on this filter?

A: I had this same question and decided to run some tests (using my Nikon D810). I did this inside with the lighting (more or less) constant. I ran three sets of tests: 1) in manual mode with auto ISO, I noted the ISO without the filter and with the filter positioned at each of the ten different dot makings; 2) In manual mode (and constant ISO) I set the aperture to zero out the meter without the filter and at each of the dot markings; and 3) In aperture priority mode, I noted the shutter speed without the filter and at each of the dot markings. The results varied somewhat depending on the test. Reported below is the average of the three methods. The first dot corresponded to 1.0 stops, second dot to 1.1 stops, third dot to 1.4 stops, fourth dot to 1.8 stops, fifth dot to 2.2 stops, sixth dot to 2.5 stops, seventh dot to 2.8 stops, eighth dot to 3.2 stops, ninth dot to 3.7 stops, and tenth dot to 4.1 stops. So, as others have said, the dots are just a guide.