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Upgrade the memory of your 2019 iMac up to 128GB

Sigma 105mm f/1.4 DG HSM Art Aperture Series: Mt Conness Green Meadow, Dusk

Get Sigma 105mm f/1.4 DG HSM Art at B&H Photo. See also my Canon wish list and Nikon wish list and Zeiss lenses for DSLRs wish list.

This in-depth analysis evaluates far-field lens performance from f/1.4 through f/9 in mountain shade (dusk). Best possible wide-open performance is shown unequivocally since peak focus can be viewed where it cuts through the grass, thus also allowing an evaluation of field curvature.

Stopped-down performance from f/2 through f/9 provides insight into the peak resolving power capabilities of the Sigma 105mm f/1.4 DG HSM Art as well as how much real depth of field gains with stopping down. It also speaks to focus shift.

Sigma 105mm f/1.4 DG HSM Art: Aperture Series: Mt Conness Green Meadow, Dusk

Includes images at sizes up to full camera resolution as well as crops, all from f/1.4 through f/9.

I like shooting the Sigma 105/1.4 a lot, but hiking with it is less pleasant!

Green alpine meadow at about 10,000' / 3048 meters, dusk
f4.5 @ 1/20 sec, ISO 64; 2018-07-09 18:56:38
NIKON D850 + Sigma 105mm f/1.4 DG HSM Art

[low-res image for bot]

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ZEISS Batis 85mm f/1.8 Lens for Sony E
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