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Blog Articles Medium Format Mirrorless L-Mount DSLR Zeiss Leica Making Sharp Images BW+IR

acutance

Subjective perception of sharpness related to edge contrast in an image

See also: MTF and Micro Contrast
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Newest blog posts

View all 5 related blog posts...

2021-01-15 Black Dots in White Spots 'Pimples': is Leica 'Cooking' the Raw Data with Acutance-Enhancing Imaging Pipeline? (CONFIRMED by a reader, also REPLICATED with Leica M10-R)

2019-12-30 Too-High Pixel Density on 5K, 8K, Retina Displays Impedes Image Sharpness Assessment

2017-05-23 Too-High Pixel Density on 5K and 8K Displays Impedes Image Assessment

2017-01-07 Too-High Pixel Density on 5K and 8K Displays Impedes Image Assessment

2013-05-02 Nikon D800E vs Canon 5D Mark III: Sharpness

Workflow Tips and technique

An introduction to digital workflow and best practices. .

1. Sharpening with Topaz InFocus

Nikon D800E vs D800

D800E supplement and comparisons with Nikon D800..

1. D800 vs D800E Sharpness

Fujifilm GFX100S/100 Comparisons

Is 100 better than 45/50/60 megapixels?.

1. SHOOTOUT @ 43mm/35mm: Fujifilm GFX100S vs Sony A7R V Pixel Shift: Huge Laurel at Bend in Alpine Creek
2. SHOOTOUT @ 43mm/35mm: Fujifilm GFX100S vs Sony A7R V 16-shot Pixel Shift: Huge Laurel at Bend in Alpine Creek
3. SHOOTOUT @ 26/21mm: Fujifilm GFX100S vs Sony A7R V Pixel Shift: Huge Laurel at Bend in Alpine Creek
4. SHOOTOUT @ 63/50mm: Fujifilm GFX100S vs Sony A7R V Pixel Shift: Creek Bottom at Huge Laurel

Fujifilm GF 20-35mm f/4 R WR

Compact wide angle.

1. SHOOTOUT @ 20mm/16mm: Fujifilm GFX100S vs Sony A7R V Pixel Shift: Huge Laurel at Bend in Alpine Creek
2. SHOOTOUT @ 26/21mm: Fujifilm GFX100S vs Sony A7R V Pixel Shift: Huge Laurel at Bend in Alpine Creek

Fujifilm GF 35-70mm f/4.5-5.6

Compact wide angle.

1. SHOOTOUT @ 43/35mm: Fujifilm GFX100S vs Sony A7R V Pixel Shift: Huge Laurel at Bend in Alpine Creek

Grab Bag

Various articles..

1. Photographic Film Really Was Not Much of a Performer

Nikon Z8

Setup, IBIS performance, focusing..

1. Nikon Z8 Pixel Shift vs Single Shot, Enhanced (Old Map)

Nikon Z7 Image Quality

Image quality..

1. RAW vs Camera JPEG

Nikon NIKKOR Z MC 105mm f/2.8 S VR Macro

Telephoto macro lens..

1. Nikon Z8 Pixel Shift vs Single Shot, Enhanced (Old Map)

Sony A7R V

5th Generation standard-setting camera..

1. Pixel Shift Performance Proofs: Alpine Creek
2. Pixel Shift Gotchas, but Foolproof Ways to Optimize
3. Sony A7R V: Pixel Shift vs Single Shot (Huge Laurel at Bend in Alpine Creek)

Nikon Coolpix A

Fixed 28mm lens with APS-C sensor free of anti-aliasing blur with wonderful color..

1. Compared vs Sigma DP1 Merrill (Garden Tables)

Fujifilm X-Pro2

Fujifilm's 24MP APS-C offering..

1. Image Quality: Fractal-like Artifacts (Clay Pot)

Leica M Typ 240 Compared To Full Frame Cameras

Relative sharpness and performance across cameras..

1. M240 vs M9 (24/3.8 Elmar-M, Propane Tank)

Blog posts, reverse chronological

2021

2021-01-15 Black Dots in White Spots 'Pimples': is Leica 'Cooking' the Raw Data with Acutance-Enhancing Imaging Pipeline? (CONFIRMED by a reader, also REPLICATED with Leica M10-R)

2019

2019-12-30 Too-High Pixel Density on 5K, 8K, Retina Displays Impedes Image Sharpness Assessment

2017

2017-05-23 Too-High Pixel Density on 5K and 8K Displays Impedes Image Assessment

2017-01-07 Too-High Pixel Density on 5K and 8K Displays Impedes Image Assessment

2013

2013-05-02 Nikon D800E vs Canon 5D Mark III: Sharpness