Latest or all posts or last 15, 30, 90 or 180 days.
Capacities up to 56TB and speeds up to 1527MB/s

Sigma 40mm f/1.4 DG HSM Art Aperture Series: Blowing Snow on High Peaks (Nikon D850)

See my Sigma DG HSM Art wishlist.

This far distance series evaluates lens performance from f/1.4 through f/11, evaluating sharpness across the frame as well as secondary color correction.

In diglloyd Advanced DSLR:

Sigma 40mm f/1.4 DG HSM Art Aperture Series: Blowing Snow on High Peaks (Nikon D850)

Include images up to full camera resolution from f/1.4 to f/11.

Separately, I look at flare with the Sigma 40mm f/1.4 DG HSM Art, and the value of shading the lens from non-image-forming sunlight:

Sigma 40mm f/1.4 DG HSM Art Flare

Blowing Snow on High Peaks
f1.4 @ 1/8000 sec, ISO 31; 2018-12-17 11:24:27
[location “Lundy Canyon Road”, altitude 6800 ft / 2073 m, 35°F / 1°C]
NIKON D850 + Sigma 40mm f/1.4 DG HSM Art

[low-res image for bot]

MacPerformanceGuide.com

diglloyd Inc. | FTC Disclosure | PRIVACY POLICY | Trademarks | Terms of Use
Contact | About Lloyd Chambers | Consulting | Photo Tours
RSS Feeds | Twitter
Copyright © 2019 diglloyd Inc, all rights reserved.