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03-26-2010, 01:48 PM   #1
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DA 55-300mm and Raynox 150

Can anyone tell me the approximate minimum focus distance at each end of this set up?

03-26-2010, 11:16 PM   #2
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Focused as closely as possible:
160mm @ 300mm zoom,
170mm @ 55mm zoom.

Including the thickness of a filter ring.

Dave in Iowa
03-27-2010, 07:10 AM   #3
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QuoteOriginally posted by Gregor Quote
Can anyone tell me the approximate minimum focus distance at each end of this set up?
I only use the Raynox 150 at infinity focus on the 55-300mm. That's about 210mm from the front element and provides between 1:1.38 and 1.4:1 macro, just by zooming. That's a hell of a lot of range.

I find that if I use minimum subject distance (i.e. set 55-300 at its closest focus), I get fewer keepers. I haven't done formal testing but I suspect that minimum focus distance causes reduced depth of field.

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