Orquid "Phoenix"

Orquid "Phoenix"

by ceinmart

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A reason to use older lenses is to save money on bigger zoom or other normally expensive auto-focus lenses.

Is this still something people do?

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4 Answers

up vote 11 down vote accepted

Yes, there are. Most DSLRs are backwards compatible with lenses of film DSLR from the same brand. The main exceptions are Olympus, Panasonic and Sony.

Canon changed its mount completely when they introduced autofocus, so you will have less luck there.

Nikon manual focus lenses are compatible with higher-end bodies (D90, D300S, D7000, D3S, D3X, etc). Compatibility is not universal though, so not all MF lenses will work, you'll have to look up each case separately.

Pentax is known by many to have the highest-level of legacy compatibility. Most MF lens in the K-mount will work on all Pentax DSLRs. As an awesome bonus, all those lenses will benefit from stabilization provided the DSLR bodies. You only have to enter the right focal-length manually into the camera. If you are considering long zooms (when you said 'bigger') then this is huge.

Sony acquired the Konica-Minolta and its DSLRs are compatible with MF focus from the Maxxum/Dynax/Alpha (depending on where in the world you are) generation. Like Pentax, stabilization is provided by the body too.

Olympus and Panasonic use an all-new 4/3 mount which has no legacy lenses. However, if you consider the new Micro Four-Third SLDs (mirrorless cameras) they can support just about any legacy lens using an adapter.

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For Olympus, they have a lot of mount adapters as well. See their Q&A page on this for help –  Hendy Aug 3 '11 at 17:08
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the only Nikkors that shouldn't work are the two rare medical Nikkors which were specifically designed to make full use of a special design feature of a single body (the FE or FM I think it was) that allowed them to extend deeper into the body than any other lens. These have been the exception to the rule that all older lenses should work ever since. I'm pretty sure (though don't take my word for it) that MF Nikkors should work on even the lowest Nikon bodies, as should AF Nikkors when used in manual focus mode. –  jwenting Aug 4 '11 at 8:01
    
+1 for your comprehensive answer @Itai, another commenter also reflects your point about Pentax's high compatibility. –  robservodavista Aug 4 '11 at 11:55
    
Also credit for the micro 4/3 having an adapter, that must be encouraging news for their owners and prospective buyers. –  robservodavista Aug 4 '11 at 11:56
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I've added the link (lifted from John's answer) about Nikon compatibility for completeness. What always surprised me with older Nikon lenses is the different levels of 'compatibility'. Indeed, most lenses will attach. –  Itai Aug 4 '11 at 12:35
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The Pentax dSLR line supports the entire K-mount lens line up through its history. In addition, with adapters, you can easily use old screw mount (M42 or commonly called the "Pentax" mount) lenses or even Pentax medium format lenses, many of which were top notch. In any event, to use manual lenses with the new Pentax cameras, you just enable use of aperture ring in the custom menu and stop-down meter using the "green" button to get a light meter reading. Not hard, works well, and there are some great lens buys for Pentax on Craigslist and other used sites. An added bonus, with Pentax, is that these old lenses are stabilized because the feature is in the body.

Sony, if I recall correctly, also inherits similar capability with their dSLR Alpha series as a result of their purchase of Minolta. I'm just not terribly familiar with their cameras to give you extensive details.

For Canon/Nikon, I think the more expensive options can do it, but I'm not sure that the consumer lines can. For Nikon, this site has some details on old lens support.

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+1 @John Cavan your answer: it's encouraging to know about Pentax's legacy support, not something you find with a lot of companies who want to sell you new things. –  robservodavista Aug 4 '11 at 11:52
    
Also credit for the Nikon compatibility link. –  robservodavista Aug 4 '11 at 11:53
    
From looking at the link for Nikon, it's encouraging that the table shows that the D3100 will work with many manual lenses. –  robservodavista Aug 4 '11 at 11:54
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This depends on the lens mount that the company uses now, and the lens mount they used in the pre-digital days.

Nikon still uses the same basic mount - the F-mount. I've never owned a Nikon dSLR, so I've never tried this myself, however I understand that older Nikon lenses produced from the '70's on will be able to mount on a newer Nikon camera. You may experience issues with automatic functions (metering), but you'll be able to manually meter and focus. Check this source on Nikon lens compatibility for more info. You could certainly get a D3100 or a D5100 and buy some old lenses to go with it.

Canon changed mounts more recently, from the FD mount to the EF mount. Lenses produced before the late 80's will not be compatible with modern dSLRs. Newer lenses from the 90's (which use the EF mount) will work fine on your Canon dSLR. You can also order a conversion mount to put an FD mount lens on an EF mount camera, but I have no idea how well they work.

Pentax has used the K mount since the 1970's, and old lenses from this line will be compatible with newer Pentax cameras.

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+1 @Brian for adding to the discussion and re-inforcing the existing wisdom by other answerers –  robservodavista Aug 4 '11 at 13:04
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As already mentioned, there is no problem with Pentax. I use some old Pentacon lenses with M42 mount (via cheap M42 adapter) which I got with my old manual Practica SLR.

Advantage of Pentax is (besides the stabilization) also the possibility to use the AF confirmation. You can also activate some mode (have the menu in Czech so do not know the correct name) where you set the focus approximately, then press the shutter release and move your camera to the object and back and the camera takes the picture immediately when it confirms the focus.

I also heard, that some cheaper Nikon bodies have problem to work with lens without electric contacts on it as the camera thinks there is no lens.

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+1 for your time and supporting the point about the Pentax backwards-compatibility. Also for the point about the Nikon not detecting the manual lens - please provide links and I will also research. –  robservodavista Aug 4 '11 at 11:58
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Rob, Ken Rockwell wrote this in his Samyang 8 mm fisheye review: "On the D200 and up, just set the "non-CPU lens data" menu to 8mm and f/3.5 for full metering and EXIF. You'll get manual and aperture-preferred auto modes. The meters of cheaper digital (D90, D5000 and below) and cheaper film cameras (N80 and below) will not couple (or work at all) with this lens, so you'll be on your own guessing exposure using the rear LCD or an external meter" kenrockwell.com/tech/8mm-f35.htm and I remember some similar posts (maybe dpreview forums), but do not remember exact website :-) –  Juhele Aug 4 '11 at 12:52
    
+1 @Juhele for the follow up –  robservodavista Aug 4 '11 at 13:35
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