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

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8
votes
4answers
889 views

Why buy an intentionally soft lens?

While reading some reviews of older lenses, I keep reading "It's soft wide open, but that's not always a problem with portraits." Over my rather short time in photography thus far, I've come to ...
8
votes
5answers
749 views

Does crop factor still apply to a vintage film SLR lens?

My friend has a Tamron 24mm lens on his Nikon D5000 and he says that because of its age and the fact it is manual focus, it is still actually a 24mm on his crop sensored camera. Is this right? If so, ...
31
votes
7answers
1k views

Do good lenses really last a lifetime?

I’ve heard people say “a good lens will last a lifetime” many times. Is this actually true of modern lenses? More specifically, will a good lens be usable for a lifetime? With an inexpensive adapter, ...
10
votes
4answers
2k views

What are the best methods for cleaning really dirty lens elements?

I bought old M42 Pentacon 50mm f1.8 lens from a car boot sale. It works but is pretty dirty and it has also dirt inside (no mould/fungus though). Opening the lens is not a problem but I would like to ...
8
votes
1answer
854 views

What's the small white plastic dome on old Pentax lenses?

My old Pentax lenses have a small white dome between the aperture ring and the focus ring. See the photo below: The clear white dome calls to mind the larger white plastic domes used in light ...
5
votes
1answer
389 views

How can I use Pentax lenses on a Lumix FZ18?

I have 3 very nice old Telephoto lenses for an old Pentax K1000 that doesn't work good anymore, color is shot. So my wife has a new Panasonic Lumix FZ18 camera and we thought we would try to get the ...
12
votes
3answers
2k views

What kind of dose can you expect from a radioactive lens?

I read that lens makers used to use radioactive glass to increase the refractive index property of their lenses. How radioactive are they? Here are some example dosages; where would looking through ...
14
votes
1answer
894 views

How do I to clean prime lenses' internals? Or should I even try?

I have some very old primes (grandfather's 1950s Exakta Varex lenses, ranging from 28mm to 85mm) that I've been really enjoying on my Sony NEX with an adapter. It's partially sentimental, but I've ...
5
votes
3answers
663 views

What are the metal items on top of an older Nikon lens?

Does anybody knows what the two metal items on top of the lens are used for?
3
votes
2answers
449 views

Is it possible to mount Pentax lenses on Sony NEX with an adapter?

I wonder whether it would be possible to mount Pentax lenses on a Sony NEX, using an adapter. Are such adapters already available? Would it be possible to have automatic focus?
1
vote
1answer
778 views

Why does my DSLR's viewfinder ignore the aperture ring on a legacy lens?

I have a Nikon D3100, and I am borrowing an old Nikkor 50mm SLR lens (http://www.destoutz.ch/lens_50mm_f1.8_1828564.html). I've had a lot of trouble with that lens, in that pictures that appear ...
7
votes
4answers
479 views

Were lenses for film designed to focus different colors at different depths, and what does that mean for digital?

I was reading the book Adobe Photoshop CS5 for Photographers: The Ultimate Workshop by Martin Evening & Jeff Schewe (Focal Press. 2011) and read this paragraph about film lenses and DSLRs: … ...
5
votes
1answer
371 views

How to Restore Old Lenses?

I often visit an antique shop that sells gadgets like old cameras, equipment and lenses. I'm particularly interested on buying an old macro lenses from Sigma, Ricoh, and Nikkor. I would expect the ...
4
votes
1answer
426 views

Servicing a Voigtlander Bessa from 1929 - how to open the lens assembly?

I recently acquired a Voigtlander Bessa from 1929. It works but there's a dead insect into the lens assembly (between the glasses) and some fungus/dust. I'm trying to open it to remove the insect and ...
4
votes
4answers
660 views

What creative things can I do with incompatible lenses?

I found an old 28-85mm and a 70-210mm lens my father used on his 35mm Minolta but they are incompatible with my D7000. Keeping in mind I'd rather not take off the current lens to avoid any dust going ...
4
votes
2answers
801 views

Force AF assist light on body / flash to come on with Nikon DSLRs?

I have a Nikon D-40 and D-90 with a wide assortment of prime lenses. I like fast primes for low light photography. Some of my lenses are sufficiently old that they do not auto focus at all. Others ...
2
votes
2answers
288 views

Is it bad to use old lenses on a new camera?

Ever since I started out with photography, I've been using an old, used Sony Alpha 200 DSLR. I was mostly okay with its mediocre performance, but lately my demands have increased, and I would like ...
1
vote
2answers
141 views

Can I use these old lenses from DVT vision systems on modern cameras?

I have a bunch of old Tamron lenses (12mm, 25mm, 50mm, 75mm, etc) that were used on old vision systems (DVT Cameras). These systems are now obsolete and the cameras / lenses are being disposed of. Is ...
1
vote
1answer
659 views

Which adapter do I need to mount a vintage Marexar-CX Lens to Nikon D3100?

I have purchased a vintage MAREXAR-CX Zoom, MACRO lens, Multi-Coated 1:4.5-4.8 F=80-250mm 58 No 90686. It says is a Minolta fitting lens, made in Japan. I would like to try it out with my Nikon ...