Nifty fifties.

Frobius

Frobius

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Hi all.

Quick questions about nikon 50s. I borrowed a 1.8 from work which I like. But it's just 1.8 with nothing after. A mate lent me a 1.8D which I liked too but not sure the difference.

Other than the focus motor on the G, what's the differences between the 1.8, 1.8D and 1.8G glass? Are the 1.8 and 1.8D full frame and the G a DX only lens and therefore the first two going to end up about 85 on a crop body? If so, I was looking at a 35mm 1.8G AF-S which if not DX only would work out at about 50mm?

Confused?! Yes! The 1.8D seems like the best value for money but not sure if it's the best for me.
 
Whatever lens - be it the no-letter, d or g lens, if it's a 50mm lens, it's a 50mm lens - which will effectively be a 75mm on a nikon 1.5x crop sensor. The diference beween a DX (crop sensor lens) and a FX (full frame lens) is simply that the image circle produced by the FX lens will cover the full frame - and by extension obviously the smaller crop sensor. The DX lens will produce a image circle that covers the crop sensor, but will not go to the edges of the frame on a full frame sensor, resulting in heavy vignetting, or requiring the user to tell the camera just to use the centre portion of the sensor - resulting in a much smaller file size.
 
Ah right, so they are all full frame compatible lenses? Cool. So aside from that, oh and the AF-S focus motor on the G, whats the difference? Just better optics?
 
I'm not a big Ken Rockwell fan, but this seems comprehensive...

To be absoloutely honest, I'm at the edge of my knowledge here, now if you were asking about Canon lenses, I'd have a bit more idea :shrug:
 
The 'D' affix means it transfers distance related info to the camera for exposure and matering use.

G means it doesn't feature an aperture ring
 
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