Questions tagged [old-lenses]

Many people collect old lenses as a hobby, or simply have older lenses they're interested in using on modern cameras.

Since photography as a whole is relatively modern, "old" often means 20 or 30 years.

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How do I make the lens less sticky?

I have recently obtained a camera that has a lens that was apparently left in the sun/heat, and now the plastic on the lens is sticky. I was wondering if there was a way to make it not sticky without damaging it any more than it already is?
DCartist
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What does the red R in old manual lenses mean?

This lens for example: It has a R between the hyperfocal markings. What does that mean and how can I use it? Note: To those who said this link is the same question as mine, the link questions about Red values and that's for modern lenses while…
xbmono
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any reason not to disassemble old lens for kids experiments?

I have an old manual-focus Vivitar 400mm lens I bought off eBay. Manually focusing is pretty slow & difficult, even with the live view on the Canon 70D, and as far as image quality goes, it seems to me that I'm much better off with my 70-200 f/4 IS…
Michael H.
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My new manual focus lens has stiff focus ring. Over-lubricated?

I recently bought a Jupiter 37am lens, which is a 135mm f/3.5 retro telephoto lens. The lens looks good and the glass is clean, but I have an issues with it. The focus ring is very stiff and hard to turn. I noticed some dark lubricants leaking from…
user2085899
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Can the lenses for the Pentax K-r camera be used on the Pentax K-70?

Can the lenses for the Pentax K-r camera be used on the Pentax K-70 camera?
Person
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