Showcase Sigma 10-20mm f/4-5.6

previz

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Apr 8, 2011
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Peter
Here is a cheap alternative to get 7-14mm wide angle lens with Viltrox EF-M2.
Observations:
-at 7mm you get a corner vignette (see last picture)
-cant use any lens hood
-expect slow AF

It looks like this:
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and here are a few samples
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previz

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Peter
Here is one interesting test shot before I adjusted Viltrox to infinity.
Minimum focus distance was arroun 15cm (6 inch)
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previz

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It's usable in real life too.
Here is a before/after snap of David from Florence visit.
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previz

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One more
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Ankit Jain

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Feb 4, 2017
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Ankit Jain
Hi Previz, looking at your setup I've bought sigma 10-20 f3.5 for my EM10 markii. Its a very heavy lens i must say (much more than i imagined).

Can you share how did you fixed the infinity focus issue with your adapter?
 

previz

Mu-43 Veteran
Joined
Apr 8, 2011
Messages
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Location
Slovenia
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Peter
Dear @Ankit Jain

I too had problem with infinity caused by Viltrox ef-m2. Even when I screwed its lens (Viltrox glass) part to maximum, I could not reach infinity.
Therefore I unscrewed the lens out of Viltrox and check the threads. On my there was glue residue on the bottom, which prevented the lens to do another turn. I scraped that glue bubble away and refitted the lens back. And behold, now I can focus even past infinity.
I’m keep my fingers crossed that you can fix yours too.

Best regards
 
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