Latest or all posts or last 15, 30, 90 or 180 days.
Upgrade the memory of your 2019 iMac up to 128GB
Handpicked deals...
$199 $199
SAVE $0

$1599 $1599
SAVE $0

$1275 $1275
SAVE $0

$140 $100
SAVE $40

$346 $170
SAVE $176

$689 $469
SAVE $220

$4499 $2649
SAVE $1850

$1699 $1199
SAVE $500

$5999 $5499
SAVE $500

$181 $141
SAVE $40

$7699 $7199
SAVE $500

$4499 $2649
SAVE $1850

$400 $330
SAVE $70

$4499 $2649
SAVE $1850

$4999 $4599
SAVE $400

$2350 $1950
SAVE $400

$1699 $1299
SAVE $400

$799 $699
SAVE $100

$200 $157
SAVE $43

$1997 $897
SAVE $1100

$250 $110
SAVE $140

$1398 $898
SAVE $500

$1199 $1099
SAVE $100

$3999 $2499
SAVE $1500

$200 $170
SAVE $30

$3999 $2499
SAVE $1500

$1498 $1398
SAVE $100

$2497 $1897
SAVE $600

$748 $598
SAVE $150

$899 $699
SAVE $200

$1300 $1100
SAVE $200

Sigma 35mm f/1.4 DG HSM: Lens Skew Confirmation (Alternate Scene)

See the previous lens skew assessment discussion with the Sigma 35/1.4 DG HSM.

When evaluating lens performance, one-offs are a Bad Idea, as is any single test, particularly any single test on a planar target at one distance; it’s important to evaluate a lens at various distances and on “3D” scenes, not simply planar targets. This is why I like to couple field shots with more controlled comparisons.

Hence this followup confirms the lens skew behavior on another scene, providing both confirmation and perspective, and an analysis on the significance of the effect in terms of how far to stop down. Apertures f/1.4 - f/8 are shown along with large crops.

Lens skew confirmation with the Sigma 35mm f/1.4 DG HSM A1.

Combined with the other examples a fairly complete picture is now in place in my review of the Sigma 35/1.4 DG HSM.

This discussion really applies to any brand lens on any camera. I have observed such issues with Nikon, Canon, Zeiss, Leica M, Leica S, Olympus, Sigma— no brand exceptions. See also Brand New Blur.

Sigma 35/1.4 DG HSM @ f/2 .8

Save the tax, we pay you back, instantly!
View all handpicked deals...

Sigma 12-24mm f/4 DG HSM Art Lens for Nikon F
$1599 $1599
SAVE $0

diglloyd Inc. | FTC Disclosure | PRIVACY POLICY | Trademarks | Terms of Use
Contact | About Lloyd Chambers | Consulting | Photo Tours
RSS Feeds | Twitter
Copyright © 2020 diglloyd Inc, all rights reserved.