image of
Related image

See also: distortion, optics
Scroll down to see all publications and blog posts. Not all pages are curated—search.


Newest blog posts

View all 1 related blog posts...

2021-03-24 Sony FE 24mm f/2.8 G: Distortion and Distortion Correction

How to Test A Lens

How to verify a good sample and assess all aspects of lens performance..

  1. Testing for distortion

Panasonic Lumix S 24-105mm f/4 Macro OIS

All-arounder entry-level mid-range zoom for L-Mount..

  1. Optical Distortion Across the Zoom Range, with/without Distortion Correction

Leica 50mm f/1.4 Summilux-SL ASPH

Fast apochromatic prime lens for L-Mount cameras..

  1. Distortion for Leica 50mm f/1.4 Summilux-SL ASPH, with Examples

Nikon AF-S 70-200mm f/2.8G ED VR II

Nikon’s bread and butter telephoto zoom.

  1. Distortion

Voigtlander 20mm f/3.5 Color-Skopar

Very compact ultra wide angle..

  1. Main—20/3.5 Color Skopar ASPH

Canon TS-E 17/4L

Ultra wide angle tilt shift with tremendous versatility.

  1. Canon 17/4L: Distortion

Canon TC III

Do Canon’s 1.4X and 2X version III tele extenders offer image quality at reasonable apertures?.

  1. Canon Extender 1.4X II vs 1.4X III with 300/2.8

Sigma 24-35mm f/2 DG HSM Art

Mid-range optimized groundbreaking f/2 zoom..

  1. Distortion @ 35mm, Corrected vs Uncorrected

Nikon AF-S Nikkor 20mm f/1.8G

Nikon’s fast ultra wide angle..

  1. Distortion (and Correction) for Nikon 20mm f/1.8G

Nikon AF-S Nikkor 24-70mm f/2.8E ED VR

Versatile image-stabilized mid-range zoom..

  1. Nikon 24-70/2.8E VR vs 24/1.8G: Snowy White Mountain Road

Canon 24-70mm f/2.8L II and 24-70mm f/4L IS

Canon’s premium mid-range zooms..

  1. Aperture Series: 24-70/2.8L II vs 50/1.2L, 50/1.4, 50/1.8 II (Dolls)

Nikon AF-S 85mm f/1.4G

State of the art design in a fast 85mm lens..

  1. 85/1.4G vs 85/1.8G: Distortion (D800E)

Nikon Ultra Wide Zooms

Comparing Nikon 16-35mm f/4 VR, 17-35mm f/2.8, 14-24mm f/2.8, 18-35mm, 24-70mm f/2.8 along with Nikon 20mm f/3.5, 24mm f/2, 28mm f/2, 35mm f/1.4 AIS, and more..

  1. Distortion at 17mm
  2. Distortion at 28mm
  3. Conclusions

Nikon 24mm Lens Choices

Options for a 24mm lens: Nikon 14-24/2.8G, Nikon 24-70/2.8G, Nikon 24/2 AI-S, Nikon PC-E 24/3.5. Sharpness, distortion, flare, field curvature, shooting impression and ergonomics..

  1. Overview and introduction

Fujifilm GF 20-35mm f/4 R WR

Compact wide angle.

  1. Distortion and Distortion Correction from 20mm to 35mm
  2. Aperture Series @ 20mm: Pumpkins on Deck

Fujifilm GF 35-70mm f/4.5-5.6

Compact wide angle.

  1. Distortion and Distortion Correction @ 35mm, 47mm, 63mm, 70mm
  2. Fujifilm GFX100S: Loss of Sharpness with Distortion Correction Even for Near-Zero Distortion Lens
  3. Focus Stacking Shootout vs GF 63/2.8: Backyard Deck

Fujifilm GF 45mm f/2.8 R WR

Moderate wide angle equivalent to 37mm f/2.3..

  1. Distortion and Distortion Correction for Fujifilm GF 45mm f/2.8 R WR

Fujifilm GF 50mm f/3.5 R LM WR

Slightly wide compact normal lens equivalent to 41mm f/2.9..

  1. Distortion and Distortion Correction for Fujifilm GF 50mm f/3.5

Fujifilm GF 63mm f/2.8 R WR

Standard normal lens equivalent to 52mm f/2.3..

  1. Focus Stacking Shootout vs GF35-70: Backyard Deck

Milvus 15mm f/2.8

Milvus garb for the venerable 15/2.8 Distagon, with improved lens coating..

  1. Distortion for Milvus 15/2.8

Milvus 25mm f/1.4

Highest performing 25mm from Zeiss ever..

  1. Distortion for Milvus 25/1.4

15mm f/2.8 Distagon

Ultra high performance in an extreme wild wide angle lens..

  1. 15/2.8 Distortion

ZF.2/ZE 21mm f/2.8 Distagon

Brilliant imaging, even wide open, but with a few quirks. (Review in progress) .

  1. Comparison: 21/2.8 and 25/2.8 Distagon vs Nikon 24/1.4G

28mm f/2 Distagon

An artist’s drawing tool..

  1. 28/2 Distagon vs Nikon 24-70/2.8G, Nikon 16-35/4G VR, Nikon 28/2

Zeiss LensSpire Articles

Articles written for Lenspire.ZEISS.com..

  1. Zoom Lens or Prime? 50mm and 55mm

Understanding optics

Understanding lens performance..

  1. Understanding Lens Distortion

Canon RF 14-35mm f/4L IS USM

Compact ultra-wide zoom..

  1. Distortion and Distortion Correction

Canon RF 15-35mm f/2.8L IS USM

Fast ultra wide zoom lens..

  1. Distortion and Distortion Correction

Nikon NIKKOR Z 14-30mm f/4 S

Ultra wide compact zoom for Nikon Z cameras..

  1. Distortion for Nikon NIKKOR Z 14-30mm f/4 S at 14mm, 19.5mm, 30mm

Sony FE 14mm f/1.8 GM

Ultra high performance extreme wide angle..

  1. Optical Distortion for Sony FE 14mm f/1.8 GM

Sony FE 24mm f/2.8 G

High performance, high speed..

  1. Distortion Correction for Sony FE 24mm f/2.8 G, Adobe Camera Raw
  2. Aperture Series: Deck Planks — Getting Optimal Results by Understanding Focus Shift, Field Curvature, Distortion Correction
  3. Aperture Series: Fenceline, with/without Distortion Correction

Sigma FE 14-24mm f/2.8 DG DN Art

Native-mount ultra wide angle high performance zoom for mirrorless..

  1. Distortion @ 14mm
  2. Distortion @ 24mm

Sigma FE 35mm f/1.4 DG DN Art

Fast native-mount moderate wide angle..

  1. Distortion for Sigma FE 35mm f/1.4 DG DN Art

Voigtlander FE 35mm f/2 APO-Lanthar Aspherical

High-grade manual focus wide-normal lens..

  1. Optical Distortion for Voigtlander FE 35mm f/2 APO-Lanthar Aspherical

Sony FE 12-24mm f/2.8 GM

Fast extreme wide angle zoom..

  1. Distortion for Sony FE 12-24mm f/2.8 GM
  2. Shootout @ 24mm vs Sony FE 24-70mm f/2.8 GM II (Colorado Cabin)

Sony FE 20-70mm f/4 G

Wide range zoom aimed at bloggers..

  1. Sony FE 20-70mm f/4 G Distortion @ 20mm, 24mm, 35mm, 50mm, 65mm

Sony FE 24-70mm f/2.8 GM II

Premiere mid-range zoom for Sony full frame mirrorless.

  1. Shootout @ 24mm vs Sony FE 12-24mm f/2.8 GM (Colorado Cabin)

Sony FE 24-70mm f/2.8 GM

Premiere mid-range zoom for Sony full frame mirrorless.

  1. Distortion @ 35mm: Uncorrected vs Corrected

Sony FE 24-105mm f/4 G OSS

Wide angle to telephoto zoom with optical stabilization..

  1. Shootout @ 24mm: Sony 24-105/4G OSS vs Zeiss Batis 25mm f/2 (Mosaic)

Leica Q (Typ 116)

24-megapixel fixed lens compact full-frame..

  1. Leica Q: Extreme Barrel Distortion Degrades Sharpness, Reduces True Resolution, Decreases Field of View

Considerations in choosing a lens.

Focal lengths, color, weight and travel considerations. [relevant, but dated/old material].

  1. A Lightweight Lens Kit For Hiking

Leica 24mm f/3.8 Elmar-M ASPH

Leica’s best-performing 24mm, and with a flat field..

  1. Distortion: 24mm f/3.8 Elmar-M ASPH

Leica 28mm f/2 Summicron-M ASPH (pre-2016)

Leica’s widest lens utilizing built-in frame lines..

  1. Distortion: 28mm f/2 Summicron-M ASPH
  2. Examples: Leica 28mm f/2 Summicron-M ASPH

Leica 28mm f/2.8 Elmarit-M ASPH (pre-2016)

Leica’s smallest and lightest M lens with superlative performance..

  1. Distortion: 28mm f/2.8 Elmarit-M ASPH

Blog posts, reverse chronological

2021

2021-03-24 Sony FE 24mm f/2.8 G: Distortion and Distortion Correction

Newly In Stock: SEE ALL...
Sony Mirrorless wish list • Deals on Sony
$2195 Leica 35mm f/2 Summicron-SL ASPH. Lens (L-Mount) IN STOCK in Lenses: Mirrorless
$948 SAVE $300 = 24.0% Panasonic 70-300mm f/4.5-5.6 Lumix S MACRO O.I.S. IN STOCK in Lenses: Mirrorless
$11999 Canon 400mm f/2.8 RF L IS USM IN STOCK in Lenses: Mirrorless
$3999 SAVE $900 = 18.0% Apple 16.2" MacBook Pro with M1 Max Chip (Late 2021, Space Gray) IN STOCK in Computers: Apple Macs
$3999 Apple Mac Studio with M1 Ultra (Early 2022) IN STOCK in All Other Categories
$4999 Apple 32" Pro Display XDR 16:9 Retina 6K HDR IPS Display (Standa… IN STOCK in Computers: Displays

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