image of
Related image

See also: MTF and Micro Contrast
Scroll down to see all publications and blog posts. Not all pages are curated—search.


Understanding Modulation Transfer Function (MTF)

Understanding resolution and contrast graphs..

Fujifilm GF 23mm f/4 R WR

Ultra wide angle equivalent to 19mm f/3.3. .

Fujifilm GF 30mm f/3.5 R LM WR

Compact wide angle.

Fujifilm GF 45mm f/2.8 R WR

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

Fujifilm GF 50mm f/3.5 R LM WR

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

Fujifilm GF 63mm f/2.8 R WR

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

Fujifilm GF 80mm f/1.7R WR

Standard normal lens equivalent to 66mm f/1.4..

Fujifilm GF 110mm f/2 R WR

Ultra high speed telephoto equivalent to 90mm f/1.6..

Fujifilm GF 120mm f/4 Macro R LM OIS WR

High performance macro photography on medium format, equivalent to 99mm f/3.3..

Fujifilm GF 250mm f/4 OIS R WR

Telephoto equivalent to 200mm lens. .

Nikon NIKKOR Z 20mm f/1.8 S

Fast ultra wide angle for Nikon Z..

Nikon NIKKOR Z 24mm f/1.8 S

Fast wide angle for Nikon Z..

Nikon NIKKOR Z 24-50mm f/4-6.3

Pancake zoom, wide angle to normal..

Nikon NIKKOR Z 85mm f/1.8 S

Fast portrait telephoto for Nikon Z..

Sony FE 24mm f/2.8 G

High performance, high speed..

Sony Planar T* FE 50mm f/1.4 ZA

Fast high performance normal lens of Zeiss design..

Sony FE 40mm f/2.5 G

High performance, high speed..

Sony FE 50mm f/1.2 GM

High performance, high speed..

Sony FE 50mm f/2.5 G

High performance, high speed..

Sigma FE 35mm f/1.2 DG DN Art

Ultra high speed native-mount moderate wide angle..

Ricoh GR

Razor sharp 28mm lens on APS-C sensor and outstanding usability and features..


Blog posts, reverse chronological

2020

2020-07-07 Sony FE 12-24mm f/2.8 GM: will it be the ultra wide zoom I’ve been hankering for?

2019

2019-11-15 The Reality of Zoom Lens Performance

2019-09-07 Sigma 14-24mm F/2.8 DG DN Aperture Series @ 24mm: Teak Bench Closeup

2019-09-01 First Look at the Sigma 35mm f/1.2 DG DN Art: Lack Micro Contrast at f/1.2 and f/1.4

2017

2017-02-25 MTF for Fujifilm GFX GF Lenses

2016

2016-07-11 NEW Sony Planar T* FE 50mm f/1.4 ZA for Sony Mirrorless

2016-02-04 Sony Diffraction-Free Computed (not measured) Fantasy MTF Charts

2015

2015-01-26 What does 50 Megapixels mean vs 36 Megapixels?

2013

2013-07-18 Ricoh GR: Lens Quality and MTF

OWC Thunderblade Thunderbolt 3 SSD

Blazing fast, up to 16TB.

YEE HAH!



√ No more slow and noisy hard drives!

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.