Latest or all posts or last 15, 30, 90 or 180 days.
2024-05-16 06:30:56
Consult with Lloyd: camera systems, computers, backup...
Lloyd’s Patreon
877-865-7002
Today’s Deal Zone Items... Handpicked deals...
$520 $520
SAVE $click
$799 $799
SAVE $click
$3399 $2899
SAVE $500
$3997 $3497
SAVE $500
$2499 $1999
SAVE $500
$1999 $1449
SAVE $550
$5999 $4399
SAVE $1600
$500 $440
SAVE $60
$5999 $4399
SAVE $1600
$999 $849
SAVE $150
$1049 $849
SAVE $200
$680 $680
SAVE $click
$300 $300
SAVE $click
$5999 $4399
SAVE $1600
$4499 $3499
SAVE $1000
$1199 $899
SAVE $300
The fastest, toughest, and most compatible portable SSD ever with speeds up to 2800MB/s.
Newly In Stock: SEE ALL...
Sony Mirrorless wish list • Deals on Sony
$799 FUJIFILM 70-300mm f/4-5.6 XF R LM OIS WR BACK IN STOCK in Lenses: Mirrorless
$700 SAVE $199 = 22.0% Sigma 35mm f/1.4 DG HSM Art BACK IN STOCK in Lenses: DSLR
$4399 Apple 16" MacBook Pro (M3 Max, Space Black) BACK IN STOCK in Computers: Apple Macs
$220 Leica BC-SCL6 USB-C Dual Charger BACK IN STOCK in Accessories: Batteries and Power
$320 OWC 480GB Atlas Pro CFexpress 4.0 Type A Memory Card BACK IN STOCK in Accessories: Memory Cards
$2999 Leica 8x42 Noctivid Binoculars (Olive Green) BACK IN STOCK in All Other Categories

Recent posts by Lloyd at MacPerformanceGuide.com, WindInMyFace.com:

2024-05-14 Flood of Fake Science Forces Multiple Journal Closures

2024-05-12 Chronic Fatigue Syndrome: “Diagnosis and Management of Myalgic Encephalomyelitis and Chronic Fat…

2024-05-11 Electrocardiogram (ECG) with Simple Device Available on Amazon + Reader Comments

2024-05-11 Eating ‘for the planet’ risks human health

2024-05-11 Un Scientific American Magazine

2024-05-10 Dermatology's Disastrous War Against The Sun

2024-05-09 Common Laxatives are Linked to Behavioral Issues and Worse in Children, Warn Experts

2024-05-09 What’s Behind America’s Doctor Crisis?

2024-05-08 Does this Apple Ad for iPad Make you Angry?

Sigma 20mm f/1.4 DG HSM Art Aperture Series: Distortion examples, Uncorrected and Corrected

2015-12-20 • SEND FEEDBACK |
Related: Canon, Canon 5DS, Canon 5DS R, Canon DSLR, distortion, optics, Sigma, Sigma 20mm, Sigma 20mm f/1.4 DG HSM Art, Sigma DG HSM Art, Sigma Lenses
Sigma 20mm f/1.4 DG HSM Art

Get Sigma 20mm f/1.4 DG HSM Art at B&H Photo.

Three examples show the real-world distortion behavior of the Sigma 20mm f/1.4 DG HSM Art. It is an impressive performance for the Sigma 20/1.4A.

Sigma 20mm f/1.4 DG HSM Art Aperture Series: Distortion (5DS R)

These example should be helpful to anyone using the Sigma 20mm f/1.4A for architectural work or similar—anywhere where distortion correction is a concern.

Relative distortion for Sigma 20mm f/1.4 DG HSM Art

View all handpicked deals...

Sigma 28mm f/1.4 DG HSM Art Lens for Nikon F
$799 $799
SAVE $click

diglloyd Inc. | FTC Disclosure | PRIVACY POLICY | Trademarks | Terms of Use
Contact | About Lloyd Chambers | Consulting | Photo Tours
RSS Feeds | X.com/diglloyd
Copyright © 2022 diglloyd Inc, all rights reserved.