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Shimmering in the Viewfinder

Started Feb 25, 2017 | Discussions thread
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xpatUSA
xpatUSA Forum Pro • Posts: 23,016
Shimmering in the Viewfinder
1

With the SD14, 17-70mm 'C' and a Tenpa 1.34x viewfinder magnifier, I sometimes notice a shimmering in the center circle of the viewfinder while focusing manually. The shimmering appears to coincide with being in-focus, as far as I can tell. It is more noticeable over fine details with significant contrast, e.g. dead twigs in sunlight.

I now look for the effect and use it whenever possible because my eyesight is quite poor.

Anyone else noticed this effect?

It has been noticed in a Sony A7 EVF:

https://phillipreeve.net/blog/manual-lenses-sony-a7/

See Section entitled "A Third Method" - might be relevant to sd Quattros . .

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 xpatUSA's gear list:xpatUSA's gear list
Panasonic Lumix DMC-LX1 Sigma SD9 Panasonic Lumix DC-G9 Panasonic Leica DG Macro-Elmarit 45mm F2.8 ASPH OIS Sigma 17-50mm F2.8 EX DC OS HSM +11 more
Sigma SD14 Sony a7
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