This is the second test shot (the first is here).
It may seem crazy to conduct “test shots” on well established Leica lenses, but the last lens I tried was front-focusing by several inches.
In this case, everything looks to be okay:
↑Leica M9 and Leica 28mm Elmarit ASPH @ f/2.8.
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100% central crop of above image:
(please click on the image to view at MAXIMUM size and sharpness)
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This 100% magnification clearly demonstrates just how sharp this lens is wide open at f/2.8.
Incredible really.
—Peter.
Prosophos 
Hey Peter: I’m not locked into a completely Leica-branded selection of lenses, and in addition to my Leica glass, I have a Biogon 21, and a Planar 50 f2. Both are stellar performers. Have you done any comparisons with the Leica 28 against the Biogon 28? I’m leaning towards the Biogon to round out my wide selection of lenses.
Thanks Peter.
Hi Brian,
I’ve previously used the Zeiss ZM Biogon 21/2.8 and found it to be an incredible lens, certainly on par with Leica’s finest (please see my previous images taken with this lens here: https://prosophos.com/category/zeiss-zm-21mm-f2-8/).
I have no direct experience with the Zeiss ZM 28/2.8, but it’s supposed to be slightly *better* than the Leica 28/2.8 ASPH I have. The only downside is that it’s bigger, and takes 46mm filters (instead of 39mm filters).
Peter.
Hello Peter:
Thanks for the reply. I’ve had a few correspondence with Brad Sissins and he has a nice review of numerous Zeiss optics (including the 28) on his site http://shottobits.com.au/?p=8283 I purchased the 21 and 50 before I happened upon Brad’s site, but now refer to it on a somewhat frequent basis for the helpful info it provides in helping me make equipment decisions.
CD
This is an impressive shot! I still don’t get how you focus on these birds in front of you; I’m actually quite certain that you hang them on fishing line from somewhere up above…but I can’t see the strings (and I certainly CAN see everything else…including the crumbs and the dirt!) so I guess I’ll have to take your word for it.
😀
Nicely done.
M.
Most people would suggest mounting your camera on a tripod, focus on a test chart, use a remote release and then check for back/front focus. Mister Prosophos does it with a 25km/h flying bird… 😉
Man, that is a skill you’ve got there!