The FotodioX M39 Metal Screw-On Body Cap Silveris a silver anodized aluminum that is anti-rust and crush resistant. The body cap is compatible with M39 and L39 screw-on camera mounts, which prevent debris or dust from entering the camera chamber.

Compatible with M39/L39 Camera Mounts    Silver Anodized Aluminum    Keep Debris & Dust Outside the Chamber    Anti-Rust and Crush-Resistant Cap

Related Questions and Answers

Q: 1. I have a BMPCC 6K Canon EF mount and I would like to attach a Jupiter 8 L39 Lens will this adapter work?

A: While not aware of a specific test done on the combination this is an EF lens to L39 adapter. It should work.

Q: 2. Will this fit my X-pro 1

A: Yes, this Fotodiox M39-FXRF adapter will fit the Fujifilm X-Pro 1.

Q: 3. Can this magnetic cap be used with the Sigma 45 2.8 lens? I believe it would fit, but since it's magnetic, I'm wondering if it might damage the 45 somehow.

A: The Sigma LCF5501M Magnetic Metal Lens Cap is compatible with all Sigma I series lenses with 55mm cap diameter. But it is not compatible that one specific Sigma I series lens, the 45mm F2.8 DG DN | C lens.

Q: 4. Will this focus to infinity ? If not how close ?

A: Yes this adapter will allow focus to infinity.

Q: 5. Will this adapter allow my Voigtlander 35mm 2.5 c-type lens (39 LSM) to work on my Leica m2?

A: Hi Isaac,Yes it will work. It should bring up the 35mm frame lines.

Q: 6. Will this fit a Nikon D850?

A: Yes, the LockCircle Camera Body Cap for Nikon F (Black), B&H # LOLNB, would be compatible for use with the Nikon D850 DSLR camera.

Q: 7. Will this work on a Bessa R2?

A: Yes Bessa R2 is M mount

Q: 8. Will this adapter allow a Minolta M39 50mm enlarger lens to be used on a Sony E-mount camera body?

A: Yes, this adapter will allow a Minolta 50mm lens with an M39 mount to function on a Sony E mount body.

Q: 9. Is this supposed to mount my m39 lenses upside down on the body?

A: No, when using the FotodioX Mount Adapter for M39/L39-Mount Lens to Fujifilm X-Mount Camera one is not supposed to mount the lens upside down.

Q: 10. Does the m39 thread fit a Leica enlarging lens?

A: Fit-wise: the e39 thread should be no problem for using Leica enlarging lens. If remember correctly, enlarging lenses are e39 thread & they should mate with the adapter. Question is how you plan use it on a Nikon body with or without bellow (& which bellow) is another matter.