timballic
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 Sony A7 24mm F2.8 Lens Comparison/shootout | |
Since the last comparisons, I have returned the MD ø55mm, put the FDn up for sale, sold the Nikkor Ai, bought and returned an AiS Nikkor (SIC), as badly decentred! ..... and had a disastrous morning of testing this morning!
Forecast for clear and still all morning, just what I\'d been waiting for. I set off as the sun was rising , on the 1 hour drive to Stonyhurst.
Clear sun in my eyes all the way. As I got out of the car, the clouds raced in on a brisk wind! Useless! Even worse, the sun went in and out most of the morning, so no lens series of results were comparable.
I was hoping to compare the OM, MD ø49mm, X-Fujinon (after it\'s adjustment) and ZS.
What I did manage to ascertain was that the ZS has a \"strong\" top left quarter! Not come across that before  plenty of poor corners, but this one is definitely better than the other 3 quarters, which aren\'t at all bad either, but equalled by the MD ø49mm!
Here compared with the X-Fujinon top left.(100%) The scene is as on last page, over the lake towards the college. The Fujinon is the worst of the four here, (not altered by my adjustments, sadly), but the ZS shines. ZS clearly on the right. The MD would have been better than the Fujinon but no sun in that series makes it looks very flat.
NB. This is NOT an infinity focus test, but a dof test with the lenses focussed at about 10-12\'
 X-Fujinon 24/2.8 F11 cf ZS 25/2.8 F11 Top left by timballic2, on Flickr
If the difference was always as marked as this, I\'d definitely always use the ZS, but mostly it is only fractionally better than the MD ø49mm, as below, and the top right quarter is possibly better on the MD. How can we ever tell what are adapter faults, when even the \"best\" adapters produce such variable results?
Closer, compared with the MD ø49mm, (100% top left again), the difference is less apparent, but still there. ZS again on the right. Difference of field of view as ZS is 25mm.
 ScMD ø49mm 24/2.8 F11 cf. ZS 25/2.8 f11 Top left by timballic2, on Flickr
The top right 100% for comparison. I don\'t see the same ZS advantage here. (ZS on Kindai Rayqual Adapter)
 MD cf ZS F11 top right by timballic2, on Flickr
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