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Questions tagged [equipment-identification]

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3
votes
1answer
252 views

What does “Di III” in a Tamron lens model name mean?

A Tamron "Di" (Digitally Integrated) lens is a lens optimized for digital cameras including those with 36x24mm 'full frame' sensors. A Tamron "Di II" (Digitally Integrated II) lens is a lens ...
2
votes
4answers
440 views

What is the breech mount on this Chinonflex lens?

What is the mount on this Chinonflex Auto Reflex lens, 135mm f/2.8 No. 691327?
31
votes
1answer
3k views

What is this physical filter, shaped like a shallow pyramid?

I was going through my parents loft (attic) and came across an old camera bag of my father's filled with bits of old junk and filters. I came across this weird shaped filter which sadly was not boxed ...
9
votes
1answer
320 views

What is the crank on the side of this lens used by David Douglas Duncan?

The NPR article David Douglas Duncan, Photographer Of Wars And Picasso, Dies At 102 notes the passing of the famous photographer and shows some beautiful photos of the artist Picasso. One photo shows ...
3
votes
1answer
339 views

What is this breech mount with three flanges and a single linking pin?

I bought this Vivitar lens cheap and I'm having trouble identifying the mount. I believe it's a Version 4 Serial number is 22128668
2
votes
1answer
426 views

Exif Data - identifiable fields

I'm currently working on some software to help identify fraudulently attributed images or ones that have been sent in with altered attribution. As such, I'm interested in working out which EXIF ...
1
vote
3answers
352 views

What are these two devices both called “macro adapters”?

I came upon a video and in it there was this what he calls a macro adapter: Raynox DCR-250. And then I searched google 'macro adapter' and saw this video and images of the same device in the first ...
0
votes
2answers
380 views

What kind of mount does this breech-lock Tair-3 lens use?

I picked up a Soviet-made Tair-3 300mm lens at a flea market recently, and I'm at a loss to identify what kind of mount it uses. According to what I've read, most virtually all Tair-3s used M42 or T ...