Convergence

Black Pearl

Posted March 24, 2013

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Posted March 24, 2013

Just been doing a bit of web research and it turn out that older Pre Ai Nikon lenses will fit onto Pentax K bodies (like my K30 for instance) if mounted upside down.

I've posted images taken using my D300s with my ancient NIKKOR-H 1:3.5 f=2.8mm lens attached before, something I use from time to time for a challenge. On the D300s it (obviously) fits the right way and as its a Pro body you get full metering and auto exposure whereas on the K30 I'm only going to get stop down metering but the fact that it fits at all is pretty amazing. It only works with the old Pre Ai lenses as the newer ones have a flange on the mount that snags. My lens was converted to work with Ai metering by my dad by gluing a bit of brass on and it turn out it is 'just' flush enough to fit.

Can't wait to get out and try it.

The lens on my Nikon: