請教DX鏡落FX機用問題

BECKHAM2

回復 Addicted #1 的帖子

不负责任的回答（因为我未试）：
- 用DX mode，跟在D7000差不多一样;
- 用FX mode或者是x1.2 mode：
  a）會有黑角; 或者是
  b)  黑角变成有暗角 （例：12-24 zoom  到 16-24mm 在FX mode可用）

ovaries

I only have one Dx lens, the 18-200mm zoom. If you use a Dx lens on Fx camera, only the centre of the frame is used. On my D700, it only resulted in a 5MP area, which is waste of time. On the D800, it would be like the D7000 with 16MP. Better, but still no point in doing so beside trying for fun. Tried it once, at 18mm you see a dark frame and a centre circle of image. Felt weird.

It appears that Fx body is becoming the normal, afforable format. It may be better to spend the money toward a 24-70mm f2.8. It is a very nice lens.

At least in Nikon it is still possible to mount the Dx lens on Fx body. Canon's EF-S lens cannot be mounted on their full frame body.

Addicted

回復 ovaries #22 的帖子

The issue with 24-70 is that if I end up not upgrade to FX, then the 24 is not wide enough. I have a 24 1.4, good for snapshot on dx, but not wide and handy enough for family portrait.

D600 is a great camera, but beside the full frame, is not much better than the D7000

ovaries

Addicted 發表於 2012-10-11 19:26

                               
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回復 ovaries #22 的帖子

The issue with 24-70 is that if I end up not upgrade to FX, then the 24 is  ...

Have you ever considered the Nikkor 16-35mm f4 zoom? It is a Fx lens with the range you want and can be useful either way.

D7000 is a great camera, I am considering to buy a body, now that I can get it for about HKD 6700. Use it if I want to travel light.

Addicted

回復 ovaries #24 的帖子

I need a faster lens for low light, so the 17-55 2.8 is better, however, yes, the lens you suggested is superb