Nikon Compatible full frame lenses

mikeyw

mikeyw

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Hi,

I recently purchased a D750 and keen to understand which of my lenses are FF lenses ?

I believe these 3 are :-

Tamron 70-200 f2.8VC
Nikon 50 1.8G
Nikon 85 1.8D

But not the following

Tokina 11-16 2.8
Sigma 17-50 2.8
Nikon 70-300VR (dx version)

Is this correct ?

Also ive heard the 35mm f1.8 DX lens works pretty well on FF - has anyone tried and found this ?

TIA,
Mike.
 
Most DX lenses will have that stamped somewhere on the lens, usually in the name. If there's no 'DX' or DC [Sigma] or Di II [Tamron] in the name, then it's possibly FF compatible.

Pretty sure the 35 DX would work but with prominent vignetting

AFAIK the Sigma 17-50 2.8 is a 'DC' lens
 
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mikeyw said:
Also ive heard the 35mm f1.8 DX lens works pretty well on FF - has anyone tried and found this ?
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I've tried it and it will vignette depending on aperture. I wouldn't get one to use specifically on a D750.
 
What Ed said, I would go down an FX lens route if you’re wanting 35mm. Nikon do an FX 1.8G, there’s an f2D, a 35 1.4G then there’s the Tamron 35 1.8VC and Sigma 1.4 to name some, there’s others too :)
 
You can check which lenses are DX by fitting them to the camera. If it is a DX lens then the camera will say it's in DX mode either on the back or top screens. You may need to turn on Auto DX crop in the shooting menu for this to work.

DX lenses wil work pretty well on the D750 but obviously with rduced image size and pixel count.
 
I sold all my DX lenses when I got FF.

The don't work well and are wasted on FF.
 
mikeyw said:
Is it just heavily vignetted at 11 ? still 16 on a FF must still be wide enough ie 12
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It is wide, but it's 16, but not so wide. A DX 16mm equivalent would be around 10.7.
 
If you can embrace manual focus, then a huge back catalogue of Ai Nikkors are all full frame ... and though lacking electronic connection will meter on higher-end bodies if you program their parameters in. Focus assist will also operate.
 
Stu Meech said:
The Tokina 11-16 works fine on FF at 16mm.
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Just remember to turn off Auto DX mode. But yes it works well at 16 and if you are intending to crop okay at 14 or so (if it’s similar to my Tokina 11-20)
 
The 11-16 Tokina's full frame brother is the 16-28, and it is a very good lens! I'd highly recommend one.

Don't try the 35mm f/1.8 DX on a FF, it's not really usable.

Technically all DX lenses will work with FX, the D750 will auto crop to DX and reduce the resolution and increase focal length by the 1.5x crop factor.

As above, flog the DX stuff and buy FX, it's designed to work with it.
 
Eloise said:
Just remember to turn off Auto DX mode. But yes it works well at 16 and if you are intending to crop okay at 14 or so (if it’s similar to my Tokina 11-20)
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Auto DX was enabled on the camera but its thankfully not done anything to the image ? - same size and resolution as images taken on a non DX lens. Am i missing somethingupload_2018-7-23_10-39-34.png here ?

upload_2018-7-23_10-39-34.png
 
Found this advice on another forum - seems reasonable until i can afford to upgrade my 11-16 to the FF version

"Put your D750 in 1.2 crop mode and try your DX lenses, output will be @ 17mp, I use a Tokina 11-20 this way good for 16.8 - 24mm (14 to 20mm on lens) with good corners, otherwise in FX mode 20mm only and with bad corners.

However surely you are sacrificing some of the actual width if you are working in 1.2 crop ? - easy enough to test so will see.

Will give this a try.
 
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mikeyw said:
Found this advice on another forum - seems reasonable until i can afford to upgrade my 11-16 to the FF version

"Put your D750 in 1.2 crop mode and try your DX lenses, output will be @ 17mp, I use a Tokina 11-20 this way good for 16.8 - 24mm (14 to 20mm on lens) with good corners, otherwise in FX mode 20mm only and with bad corners.
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Personally I decided to use the 11-20 in FX mode. Yes I know I need to crop (and the comment is wrong - 16mm up fills the frame) anything wider, but unless you are always cropping to 3:2; I personally think the flexibility is better. For example if you are cropping to 16:9 or 4:3 then you can get more usable image than if you started with automatically cropped to 3:2, then cropped again to your desired image.
 
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