General Question

XCNuse's avatar

Nikon Manual SLR coupled with AF-S?

Asked by XCNuse (1197points) August 21st, 2009

It is possible to mount AF-S lenses on AI cameras such as the FMs, etc. But everyone says they do not work.. well.. before I ruin a roll of film, in what way do they not work, does the aperture stay open fully? Or does it stop down to the highest f-stop the lens has?

I really would hate to be stuck with two primes that are manual, when I have all these AF-S lenses laying around

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3 Answers

robmandu's avatar

@XCNuse, I gotta think you know a lot more about this that I do…

The AF-S set of lenses have the auto-focus motor built in to the lens itself. Typically, the camera body itself has the auto-focus motor and it drives the lens directly.

So, if you were to put a regular old AF lens on an Nikon AF-S camera, it would work – that is, light would come through – but the autofocus feature would not operate since there’d be no motor to drive it.

Of course, you’re asking the opposite. You want to put an AF-S lens on an AF camera. Either way, they’re still F-mount type so – just guessing here – I’d like to think that you could actually hook it up. But still, I doubt you’d be able to get any autofocus action.

I don’t think it has any bearing on aperture at all.

Sits back and waits to find out how wrong he is. ツ

XCNuse's avatar

Nonono I’m talking about putting an AF-S lens on an AI body, people say you “can’t” use the ‘G’ lenses .. but don’t specify why you can’t use them, I can attach them and I can see through them just fine, I guess I could always run out to walmart and get some film and see what happens.

I know I won’t get focusing, I just don’t see why people say you “can’t” use them just because you can’t change the aperture; 90% of the time I’m shooting wide open anyways, the rest I stop it down two stops just to get sharpness (which is why I have a set of ND filters)

An obvious problem I will have though is using DX filters on a full frame, obviously I will get some vignetting, but.. honestly it wasn’t bad looking through them (besides my ultra wide 10–20mm lol)

Inofaith's avatar

I’ve put a AF-S G kit lens from my Nikon D60 on my old Nikon FE.. it went grom 18mm to 12 mm :)

ther was no aperture ring on that cheap lens but the light meter did work.
I haven’t developed the film yet but I think it worked out just fine.

So If you have aperture rings I cant imagine what would be the problem.
Bacially the lens is just a barrel with glass in it, and analogue cameras measure light anyway and you can focus on your mattebox.

I also use it Vise versa. I have a manual 50mm f1.8 prime that I put on my Nikon D60.
All the sites an manuals tell you it’s not possible. But hey they fit.
I have to guess exposure and focus manually (which the little dot in the viewfinder does support.)
I’ve taken my best photos with that manual lens… so don’t listen to what the companies tell you, they just want to sell you 1 lens for every camera you’ve got.

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