Soon you too will know the confusing joy of learning that long lenses aren't always telephoto. In fact, in LF photography most lenses are normal lenses not telephoto, even a 48" (1200mmish) Artar. I've taken to calling them long-focus lenses because it can get confusing talking to those who use smaller formats.
35mm: "210mm lens? What's that like on 35mm?"
4x5: "I guess about 85mm"
35mm: "OK, so a short telephoto."
4x5: "No, it's normal."
35mm: "I thought you said it was like a 85?"
4x5: "Well yeah, but it's not a telephoto."
35mm: "So what's the 4x5 version of a 50mm?"
4x5: "135-150mm or so."
35mm: "So that would be normal?"
4x5: "All my lenses are normal, even the 210."
35mm: "But if the 150mm is like a 50mm in 35mm and the 210mm on 4x5 is like an 85mm in 35mm, then doesn't that make it telephoto?"
4x5: "It's tricky to compare because the formats are so different but just because the 150mm in 4x5 is similar to a 50mm in 35mm and the 210mm in 4x5 is closer to an 85mm in 35mm doesn't make it telephoto, that's a lens design thing. The 210mm is just a longer focal length."
35mm: "Okay, ummm... so what's a wide angle on 4x5?"
4x5: "Any lens can be a wide angle on 4x5, even a 210mm.
35mm: "Huh?"
4x5: "The wide angle means a wide angle of coverage so a 210mm that covers 8x10 would be a wide angle short focus, but if you use it on 4x5 it is a wide angle long focus."
35mm: "So a 150mm lens on 4x5 is close to a 50mm lens on 35mm and a 210mm lens on 4x5 is similar to an 85mm lens on 35mm but they can both be normal lenses, and the same 210mm lens on 8x10 is a short lens but if it covers it's a wide angle but that lens on 4x5 is a long wide angle, and any length of lens can be normal or wide angle? Could you have a short wide-angle telephoto?"
4x5: "I guess, if someone designed one for some reason."
35mm goes out to buy a Holga.
- Justin