The 55mm, 1/2-grade K&F Concept C-Series Black Diffusion Filter 55mm Grade 1/2from K&F Concept C-Series Black Diffusion Filter 55mm Grade 1/2is a circular black diffusion filter from K&F's Classic Series, also referred to as the C-Series.

Classic Series Circular Diffusion Filter

Related Questions and Answers

Q: 1. What extension tubes can be successfully used for this lens? Canon's do not work

A: ZEISS Otus 55mm f/1.4 ZE Lens for Canon EF is compatible with Canon Extension Tube EF 25 II https://www.bhphotovideo.com/c/product/300603-REG/Canon_9199A001_Extension_Tube_EF_25.html

Q: 2. 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: 3. Can anyone share their experience using the Zeiss Otus 55mm with a Canon 5DSR?

A: Yes. Works fine. Top end camera, top end lens, top end result. Use tripod, cable release etc. Any more specific question? In case you wonder, Focusingscreen dot com now has the S-type screen available for the 5Ds. Just received the first prototype of the new screen.

Q: 4. Hi.Is the lens hood integrated or separate?Thanks.

A: The lens hood is separate and is included with the lens.

Q: 5. I understand that the focusing screen of D810 cannot be changed. Without a central telemeter, how can one check proper focusing?

A: If you are concerned with focus on the D810, you could use the Nikon DG-2 Eyepiece, which will magnify the viewfinder by 2x: http://bhpho.to/10diQr9

Q: 6. 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: 7. Is this lens fully compatible with the Nikon F6 film camera?

A: For a list of compatible cameras, please visit the ZEISS website using the link below: a href= https://www.zeiss.com/camera-lenses/int/photography/content/camera-mounts.html target= _blank https://www.zeiss.com/camera-lenses/int/photography/content/camera-mounts.html/a

Q: 8. Does this lens have the focus confirmation chip that will allow the camera to know when focus has been achieved?

A: Yes, the lens features a focus confirmation chip to indicate when the subject is in focus with the camera. - Yossi

Q: 9. 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: 10. Will Zeiss ever introduce another Otus lens between the 28mm and 55mm focal length? I am desperate for a 35mm or 40mm Otus!

A: At this time, we do not have information on a new Zeiss Otus lens that is around 35mm. But Zeiss does have an Otus 28mm, ZEISS Otus 28mm f/1.4 ZE Lens for Canon EF BH #ZE2814OC • MFR #2102-182 https://bhpho.to/3BkjMNN .