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up vote 4 down vote favorite

I'm thinking about getting the Nikon D7000 body-only, and want to know how to tell an FX lens from a DX lens. I may upgrade in the future to an FX body and would like to have glass ready to go when I do.

I was looking on the B&H site and can't tell what lenses are FX and what's DX. Any help on this?

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3 Answers

up vote 10 down vote accepted

For Nikon, it will list with "DX" in the name, otherwise its a FX lens. For example, on the B&H page, it lists the 35mm DX as "AF-S Nikkor 35mm f/1.8G DX Lens".

For Sigma lenses that work with Nikon, its the "DC" that indicates a DX sized lenses.

For Tamron lenses that work with Nikon, its the "Di II" that indcates a DX sized lenses.

If it doesn't have one of those, its a normal, "FX" sized lenses.

(And realize that FX lenses will work with the D7000, as well as the DX lenses) .

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Hah, we replied at the same time w/the same info, deleting mine :) – Shizam Dec 20 '10 at 19:53
@Shizam: Ya, I saw you replied on the main page and by the time I reloaded - you had deleted. – rfusca♦ Dec 20 '10 at 19:55
up vote 2 down vote

My site http://lenshero.com (shameless plug) aims to make this easy, for example you can browse all lenses for Nikon FX, or browse lenses for the Nikon D7000.

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up vote -1 down vote

ps - there is normally quite a price difference as well :-)

most of the FX lens have a better range of appeture as well - so its not a 1-2-1 match. however you can get a 55mm-200mm DX for about $200, the closest to that on the FX is the 70-200 2.8 and thats about $2500...so quite a significant difference.

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ill look into price difference when i know how to distinguish the two sets of lenses. thanks... how much ball park would you say is the gap from DX glass to FX glass? – kacalapy Dec 20 '10 at 20:19
well most of the FX lens have a better range of appeture as well - so its not a 1-2-1 match. however you can get a 55mm-200mm DX for about $200, the closest to that on the FX is the 70-200 2.8 and thats about $2500...so quite a significant difference. – Zoe Bailey Dec 20 '10 at 20:49
This is more of a comment then an answer... – Shizam Dec 20 '10 at 21:06
@Shizam - fair point, I have updated to include the expanded comment – Zoe Bailey Dec 20 '10 at 21:23

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