Help!... thinking of upgrading to FX but have DX lenses

Started Jan 1, 2014 | Discussions thread
user_name Veteran Member • Posts: 3,134
Don't forget the DX factor...

If you are using a 35mm on a DX, the equivalent focal length on FF is 52.5mm

The 50mm lens equates to 75mm on FF.

You can keep the 50mm lens as that is an excellent FF lens, but the others will not work in FF mode.

Note, even the D600 in DX mode yields 18mp effectively, so you will still have an improvement in performance over the D90, even in DX mode.

Back to lenses...

The 50mm covers your 35mm focal length on DX, but the 75mm effective DX focal length is going to be an oddball if you use a prime.

The D600 kit zoom lens may be a good alternative, but if you want a prime the 85mm f/1.8G is an outstanding value.  It's a little more reach than 75mm, but worth the investment.

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