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grnzbra

Springfield, US
372 posts

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grnzbra Silver Member Nikonian since 28th Sep 2011
Thu 20-Dec-12 05:19 PM | edited Thu 20-Dec-12 05:21 PM by grnzbra

I have a Nikon FA with a 50mm f1.2 lens. I've been told that it can be used on my D5100. However, when I fire the 5100, the camera send an electrical signal to the lens telling it to stop down to whatever the selected f/stop was selected in the camera. With the FA, the f/stop is set on the lens, and when that camera is fired, a finger inside the lens opening of the camera pushes on a rod protruding from the back of the lens and mechanically causes the lens to stop down to whatever was selected on the lens. How would this work with the 5100? Or wouldn't it?

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MEMcD

US
27807 posts

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#1. "RE: Film SLR Lenses on DSLR" | In response to Reply # 0

MEMcD Moderator In depth knowledge in various areas Nikonian since 24th Dec 2007
Thu 20-Dec-12 10:56 PM

Hi Lind,

The D5100 light meter will not work with any MF lens without a CPU chip so you must set the camera in Manual exposure mode and Manual ISO. Then set the aperture using the aperture ring on the lens.
You can use a handheld light meter, the Sunny 16 rule, or the trial and error method using the histogram to set the correct exposure.
Good Luck and Enjoy your Nikons!

Best Regards,
Marty

Leonard62

Hatboro, Pa, US
3738 posts

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#2. "RE: Film SLR Lenses on DSLR" | In response to Reply # 0

Leonard62 Gold Member Awarded for excellent contributions and sharing his in-depth knowledge and experience with the community, especially of Nikkor Lenses Writer Ribbon awarded for his contributions to the Nikonians Resources articles library Nikonian since 15th Mar 2009
Fri 21-Dec-12 01:46 PM

I use my D5100 all the time with manual focus lenses. However as Marty pointed out, the camera now has to be used as a fully manual camera only, with no light meter. The lens will still automatically stop down to whatever aperture you set the lens to, just like your FA. There are times I use a handheld lightmeter, but generally over the many years of using a hand held meter with meterless cameras like a Rollei TLR or a Hassy, I became pretty good at guessing the correct exposure. While I have a few bodies that meter with manual focus lenses, the D5100 allows me to use the few non-AI lenses I have without breaking the camera while still shooting very high resolution photos. You will be amazed at how good those older mf lenses perform on the D5100.

Len

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meper

DK
14 posts

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#3. "RE: Film SLR Lenses on DSLR" | In response to Reply # 2

meper Registered since 08th Dec 2012
Sat 29-Dec-12 09:19 PM

>I use my D5100 all the time with manual focus lenses. However
>as Marty pointed out, the camera now has to be used as a fully
>manual camera only, with no light meter. The lens will still
>automatically stop down to whatever aperture you set the lens
>to, just like your FA. There are times I use a handheld
>lightmeter, but generally over the many years of using a hand
>held meter with meterless cameras like a Rollei TLR or a
>Hassy, I became pretty good at guessing the correct exposure.
>While I have a few bodies that meter with manual focus lenses,
>the D5100 allows me to use the few non-AI lenses I have
>without breaking the camera while still shooting very high
>resolution photos. You will be amazed at how good those older
>mf lenses perform on the D5100.
>
>Len
>
>
How do you use the "non-AI" lenses on the d5100? ....by just removing the "rabbit-ears"?

Meper

Leonard62

Hatboro, Pa, US
3738 posts

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#4. "RE: Film SLR Lenses on DSLR" | In response to Reply # 3

Leonard62 Gold Member Awarded for excellent contributions and sharing his in-depth knowledge and experience with the community, especially of Nikkor Lenses Writer Ribbon awarded for his contributions to the Nikonians Resources articles library Nikonian since 15th Mar 2009
Sat 29-Dec-12 10:41 PM

>>
>How do you use the "non-AI" lenses on the d5100?
>....by just removing the "rabbit-ears"?
>
>Meper
>

You don't have to do anything to the lens at all. The D5xxx, D3xxx, D60 ,and D40 do not have the AI lever found on the more advanced cameras which can break if you attempt to add a non-AI lens. So non-AI lenses can be mounted with no problem. The only thing you need to do is use a handheld exposure meter to set the proper exposure while the camera is in Manual mode. These cameras can't meter with non-CPU lenses. You can still manually focus the lens though. The focusing dot in the viewfinder will still show when you are in focus. You can still focus the lens wide open and it will still stop down automatically to any preset f stop.

Here's a non-AI 55mm f1.2 lens mounted on a D3200. It works just fine.

Click on image to view larger version


Len


Attachment #1, (jpg file)

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meper

DK
14 posts

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#5. "RE: Film SLR Lenses on DSLR" | In response to Reply # 4

meper Registered since 08th Dec 2012
Sat 29-Dec-12 10:55 PM

>>>
>>How do you use the "non-AI" lenses on the d5100?
>
>>....by just removing the "rabbit-ears"?
>>
>>Meper
>>
>
>You don't have to do anything to the lens at all. The D5xxx,
>D3xxx, D60 ,and D40 do not have the AI lever found on the more
>advanced cameras which can break if you attempt to add a
>non-AI lens. So non-AI lenses can be mounted with no problem.
>The only thing you need to do is use a handheld exposure meter
>to set the proper exposure while the camera is in Manual mode.
>These cameras can't meter with non-CPU lenses. You can still
>manually focus the lens though. The focusing dot in the
>viewfinder will still show when you are in focus. You can
>still focus the lens wide open and it will still stop down
>automatically to any preset f stop.
>
>Here's a non-AI 55mm f1.2 lens mounted on a D3200. It works
>just fine.
>
>

Click on image to view larger version

>
>Len
>
>

OK!
I see what you mean. It is a big advantage of the "low range" DSLR's. I have a lot of non-AI lenses I have never tried. I have a D2x in the moment and will still keep it when I probably will get a d5200. Maybe prices will raise on non-AI lenses when more and more people finds usage for the old non-AI lenses. They tend to be much cheaper than AI-lenses. So maybe we should not tell anybody

Leonard62

Hatboro, Pa, US
3738 posts

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#6. "RE: Film SLR Lenses on DSLR" | In response to Reply # 4

Leonard62 Gold Member Awarded for excellent contributions and sharing his in-depth knowledge and experience with the community, especially of Nikkor Lenses Writer Ribbon awarded for his contributions to the Nikonians Resources articles library Nikonian since 15th Mar 2009
Sat 29-Dec-12 11:00 PM

Here's a photo I just took with the non-AI 55mm lens shown above and mounted on a D5100. I was also able to use the built in flash in manual mode at 1/16th power. ISO 400 and f5.6. This is a direct down sized photo cropped from a raw file. No sharpening.

Click on image to view larger version


Len



Attachment #1, (jpg file)

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Leonard62

Hatboro, Pa, US
3738 posts

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#7. "RE: Film SLR Lenses on DSLR" | In response to Reply # 5

Leonard62 Gold Member Awarded for excellent contributions and sharing his in-depth knowledge and experience with the community, especially of Nikkor Lenses Writer Ribbon awarded for his contributions to the Nikonians Resources articles library Nikonian since 15th Mar 2009
Sat 29-Dec-12 11:19 PM | edited Sat 29-Dec-12 11:20 PM by Leonard62

I won't tell anybody.

I pretty much buy the oldest lenses that can't accept the Nikon AI conversion kits. They have no screws in the mount and are generally made with the focal length shown in cm instead of mm. One of my favorites is the 5.8cm f1.4 S lens (58mm). They are beautiful on the D5100 and D3200. I have one of the first ones made from 1959. I'm still amazed on how good the photos look.

Len

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meper

DK
14 posts

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#8. "RE: Film SLR Lenses on DSLR" | In response to Reply # 7

meper Registered since 08th Dec 2012
Sun 30-Dec-12 09:39 AM

>I won't tell anybody.
>
>I pretty much buy the oldest lenses that can't accept the
>Nikon AI conversion kits. They have no screws in the mount and
>are generally made with the focal length shown in cm instead
>of mm. One of my favorites is the 5.8cm f1.4 S lens (58mm).
>They are beautiful on the D5100 and D3200. I have one of the
>first ones made from 1959. I'm still amazed on how good the
>photos look.
>
>Len
>
>
The 5.8 f1.4 was in production in a very short time so not many were made. So I guess it will be expensive because it is a collectors item now. I have an old 20/3.5 (72mm filter size) which I have never tried. It will be interesting. It is known for not having much geometric distortion compated to the 20/3.5 (52mm filter size).

Do you know how good NX2 is to correct "errors" (CA, distortion etc.) when it does not know which lens is used?

Also interesting to see that you can control the flash output manually.

MEMcD

US
27807 posts

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#9. "RE: Film SLR Lenses on DSLR" | In response to Reply # 5

MEMcD Moderator In depth knowledge in various areas Nikonian since 24th Dec 2007
Sun 30-Dec-12 11:11 AM

Hi Max,

Keep in mind that pre-AI lenses can be converted to AI standard so that they can be used on the higher end bodies.
Good Luck and Enjoy your Nikons!

Best Regards,
Marty

G