This Leica Metal Lens Cap is the replacement lens cap for the 75mm and 90mm f/2.5 Summarit M lenses.  It pushes on to the lenses' included hoods.

Replacement

Related Questions and Answers

Q: 1. Does this have the same internal focus scheme as the older Leica Summicron-R 90mm APO SLR lens? (does not telescope when focussed)

A: It apparently does not. The barrel does extend while focusing.

Q: 2. Dose this lens block the viewfinder of M10R?

A: The 90mm f2 lens will block the lower corner of the viewfinder. The LCD can be used instead o the 90mm f4 would be a smaller combination that will not block the viewfinder.

Q: 3. Is this lens good enough to resolve a7R IV 61MP resolution?

A: This lens has great resolving power that can keep up with ultra high resolution cameras like the A7R IV.

Q: 4. How well does the Autofocus work with Sony a7 cameras?

A: The Sigma 90mm f/2.8 DG DN Contemporary Lens for Sony E is a sharp lens and the Autofus is compatible and good with the A7.

Q: 5. Is this 6-bit? Thx

A: Yes Leica Macro-Elmar-M 90mm f/4 Lens is 6 bit.

Q: 6. Can this lens be used on M-3?

A: Yes. Absolutely. You can use any Leica M-mount lens on your M3 from the 1950's to date including this one. This is one of the best features of the M system. Enjoy!

Q: 7. Where is this lens made?

A: According to the manufacturer this lens is made in Germany, but this is subject to change.

Q: 8. I am getting ready to purchase this lens or the 80mm f1.9. I am hesitating. I have heard many great reviews of the 80mm?

A: Both of these lenses are superb optically; the 80mm lens has several great reviews, but the 90mm is closer to a traditional portrait focal length, if you are interested in doing portraits.

Q: 9. Does this lense have 6 bit interface?

A: Yes. This has 6-bit coding.

Q: 10. Is the lens hood included in the box, as it says.

A: Yes, as it says, the Lens Hood for 90mm f/4-M and 135mm f/3.4-M Lenses is included in the box with the Leica Macro-Elmar-M 90mm f/4 Lens.