Fotodiox Pro Lens Cap for Rollei TLR Camera with Bay II (B2) 3.5F Take Lens - Metal Cap, fits Twin Lens Rollei (TLR) Bay II Mount, fits Twin Lens Rollei (TLR) Bay II Mount, 2.8 A (Tessar) Lens, 3.5 F

Title says it all. Be sure to read the seller’s description of the distance between the viewing and taking lenses. This one didn’t fit my camera, but the plastic lens cap (same brand) did.

I was a little disappointed when I received the mirror version instead of the satin, as pictured. One thing I immediately noticed is that the Fotodiox cap can't fold back on itself and lay flat like the originals can. This is kind of a dealbreaker for me since I would like the cap to fit flat in my bag when I take it off for the day. I often travel with a small camera bag inside my backpack and it would get crushed in about two seconds.The fit and finish is okay. At this price I expect more. The inside is only partially finished - the silver concave surfaces are not but the surrounding frame is. The bayonet clips are very thin and sharp and are mostly unfinished, unlike the originals that are thicker, rounded, and painted, to not scratch your bayonet mount.It'll do in a pinch but it's not a true copy of the original. Just a few tweaks could make this perfect. For not much more, I can get an original, which is what I'm going to do.Pictured here is the Fotodiox Bay II on the left, a Rollei Bay II in plastic, and a Rollei Bay III in satin metal.

Excellent cap that fits my 3.5F perfectly. Not sure why so many people are unfairly leaving bad reviews when the description clearly states it is for 3.5F & 2.8A’s with a bay II. Public service announcement: Reading & comprehending the description of a product you are interested in is important.

did not fit my camera at all. doesn’t specify it’s for a very specific camera model

AMAZING product. Fits the 3.5 Planar. Its a really good product. I never write reviews!

This lens cap correctly fits my Rolleiflex model 3.5F TLR camera. My only gripe is, the hinge lacks the detent at 90 degrees that the original Rollei lens cap had.

It fits my 3.5f very well. I tested the viewing lens with bay II filter, though viewing lens is 2.8, it’s still bay II. I don’t see why there’s problems for 3.5f

If the lens cap fit my camera, I would give it a 5 star rating for "value for money", but sadly, it doesn't fit my camera correctly. The problems is that the cap is a bit "too long." Individually, the caps fit well, but when mounted on the taking lens, the bottom cap hangs down too far to sit flush by about 1/8". As near as I can tell, my camera is a 3.5E. It has an f2.8 viewing lens, and a f3.5 taking lens (Planar). I will most likely find a way to separate the caps and just use them individually.