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digital artifacts

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2023-12-09 In Praise of Digital vs Film (v4) + Reader Comments (updated late 2023-12-10 15:12)

2023-12-06 Fujifilm GFX 100 II: Same Horizontal White Stripes Problem as with GFX100, GFX100S 📹

2023-06-03 Reducing Moiré in Nikon Z8 with Adobe Camera Raw Enhance Details

2023-04-23 Crosshatching Pattern Noise in Adobe Camera Raw AI Denoise Seems to be Fixed, Plus Base ISO in Low Light

2023-02-11 Fujifilm GFX100S: Horizontal White Stripes Related to PDAF?

2021-08-12 Reader Comment, Sony A1: Horizontal Stripes in Blue Channel on Some Colors such as Sunflowers (PDAF banding?)

2021-07-24 Fujifilm GFX100: Horizontal White Stripes a Problem for Numerous Images from my last trip

2021-07-16 Oversampling for Image Quality: we need a 100 Megapixel Sensor in 35mm Format

2021-06-01 Don’t even Think about Using the Fujifilm GFX100S for Monochrome Landscape Images — Horizontal White Stripes Make Images Unusable

2021-04-30 Fujifilm GFX100S: Unacceptable Image Quality for Monochrome Images  — Horizontal White Stripes

2021-03-29 Reader Comment: Fujifilm GFX100S and Captures for Monochrome

2021-03-15 Sony A1 PDAF Banding

2021-03-10 Adobe Camera Raw “Super Resolution” Mode Added to Enhance Details — Unacceptable Digital Artifacts

2021-03-09 How will the Fujifilm GFX100S Fare as to PDAF Banding

2021-03-09 Sony A1 vs Sony A7R IV: Noise, Pattern Noise and Just How Poor the Analysis Tends to Be

2020-12-31 Leica M10 Monochrom: digital artifacts — White Spots on Black Dots — “Pimples”

2020-09-11 Sigma FE 85mm f/1.4 DG DN Art: Micro Contrast, Moiré, Color Aliasing with/without Pixel Shift and Distortion Correction

2020-06-13 Abandoning Adobe Camera Raw Enhance Details—Crosshatching Pattern Noise

2019-10-23 Adobe Camera Raw Enhance Details Produces Striping Pattern Noise on Nikon D850, Other Cameras

2019-10-04 You Won’t Believe Your Eyes... Zeiss Milvus 135mm f/2 Aperture Series on Nikon D850 Monochrome: Pine Creek Mining Buildings (up to 183 megapixels)

2019-09-16 Sony A7R IV Image Quality: Crosshatching Pattern Noise with Adobe Camera Raw Enhance Details

2019-08-05 Fujifilm GFX100: those PDAF Pixels Make Me Wish I Could have a GFX100 Without Them

2019-07-27 Fujifilm GFX Image Quality: Crosshatching Pattern Noise with Adobe Camera Raw Enhance Details

2019-03-19 Reprocessing Fujifilm GFX-50S Images with Moiré and Color Aliasing Issue using Adobe Camera Raw Enhance Details

2017-07-20 Leica M10: Moiré

2017-04-09 Fujifilm GFX: Moiré Examples + Astrophotography

2016-07-21 Zeiss ZM 35mm f/1.4 Distagon Aperture Series: Miner’s Coveralls + Moiré with Leica SL

2016-05-13 Pentax K1 Super Resolution Mode: SuperRes Mode Ends Moiré

2015-05-27 Leica M Monochrom Typ 246: Aperture Series to Assess Diffraction and Digital Artifacts (Dolls)

2014-07-13 Sony A7s: Moiré + Relative Image Size vs A7 and A7R

Leica SL2

47 megapixel with Multi-Shot Hi-Res mode..

1. Leica SL2 Multi-Shot High-Res Mode vs ACR Super Resolution Mode

Leica SL Typ 601

24-Megapixel vs mirrorless..

1. Leica SL: Color Moiré Example

Leica 75mm f/2 APO-Summicron-SL ASPH

Fast short telephoto lens for L-Mount cameras..

1. Aperture Series: Natural Bonsai Above Beaver Pond

Leica 90mm f/2 APO-Summicron-SL ASPH

Fast short telephoto lens for L-Mount cameras..

1. Examples: Natural Subjects at Dusk

Nikon D800E

36 megapixels in a compact full-frame DSLR..

1. Staircasing on Sharply Defined Edges

Nikon D800E vs D800

D800E supplement and comparisons with Nikon D800..

1. D800E — Moiré Example (Stonework)
2. D800E — Moiré Removal With Lightroom 4 (Stonework)

Canon EOS 5DS / 5DS R

50 megapixel successor to the 22 megapixel Canon 5D Mark III..

1. Moiré and Diffraction Across Apertures: Canon 5DS R vs 5DS (Window Screen)

Noise ×4: Nikon D3x, Nikon D3, Canon 5D Mark II, & Canon 1Ds Mark III

Noise performance of early 2009’ premier digital SLRs. ISOs from 50 through 25600, dark area noise, noise reduction effects, noise versus resolution. Can more smaller pixels beat fewer large ones?.

1. Big pixels or small?

Pentax K-1

36-megapixel full-frame DSLR with SuperRes Pixel Shift Mode..

1. SuperRes Pixel Shift Mode vs Std Res: Moiré in Fabrics

Medium Format Magazine

Articles written for MediumFormat.com..

1. 100 Megapixel Medium Format: Perspectives from Field Use of the Hasselblad H6D-100C (April 2019)

Fujifilm GFX100S

100 megapixels in a body the size of a 35mm DSLR!.

1. Fujifilm GFX100S: Horizontal White Stripes with Monochrome Images aka PDAF Banding
2. Fujifilm GFX100S: Multi-Shot High-Res Mode Examined Critically (Deck and Roof)

Fujifilm GFX100 Image Quality

Aspects of image quality..

1. Fujifilm GFX100: Dark Frame Pattern Noise
2. Fujifilm GFX100: Crosshatching Artifacts using Adobe Camera Raw Enhance Details
3. Fujifilm GFX100: Horizontal White Stripes (PDAF Banding)

Fujifilm GFX 50S Image Quality

Image quality assessments..

1. Moiré and Color Aliasing (plus Adobe Camera Raw Enhance Details)

Nikon Z8

Setup, IBIS performance, focusing..

1. Reducing Moiré in Nikon Z8 with Adobe Enhance Details

Sony A1

Technological tour de force..

1. Examples: Image Quality

Sony Alpha A7R II Kolarivision for Leica M

A7R II modified sensor cover glass for Leica M lens performance..

1. A7R II Kolarivision Mod vs Leica M240: What Are the Gains?

Sigma FE 85mm f/1.4 DG DN Art

Ultra high performance medium telephoto..

1. Micro Contrast, Moiré, Color Aliasing with/without Pixel Shift and Distortion Correction

Comparisons across format.

Can smaller sensor cameras compete with larger ones on any basis?.

1. Bayer Matrix RGGB vs Foveon X3: (Sigma DP1 Merrill vs Ricoh GR, Green House Rear)

Fujifilm X-Pro1

Interchangeable lenses on a 16MP APS-C sensor.

1. Digital Artifacts

Fujifilm X-Pro2

Fujifilm's 24MP APS-C offering..

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

Sigma DP3 Merrill

75mm f/2.8 equivalent lens on APS-C sensor..

1. Examples (DP3M, White Mountains)
2. Aperture Series DP3 Merrill (Beaver Pond Rotting Trees)

Leica M10 Monochrom

Leica M 40 megapixel monochrome sensor..

1. Leica M10m Sensor Bifurcation
2. Black Dots on White Spots Digital Artifacts

Leica M10

Leica M mount in slim body with SL-type sensor..

1. Leica M10: Moiré Can be a Serious Problem

Leica M Typ 240 Compared To APS-C Cameras

Relative sharpness and performance vs APS-C cameras..

1. M240 + 50/2 APO ASPH vs Sigma DP2 Merrill

Leica M Monochrom Typ 246

24-megapixel CMOS monochrome sensor..

1. Aperture Series to Assess Diffraction and Digital Artifacts (Dolls)
2. Black Dots on White Spots Digital Artifacts

Blog posts, reverse chronological

2023

2023-12-09 In Praise of Digital vs Film (v4) + Reader Comments (updated late 2023-12-10 15:12)

2023-12-06 Fujifilm GFX 100 II: Same Horizontal White Stripes Problem as with GFX100, GFX100S 📹

2023-06-03 Reducing Moiré in Nikon Z8 with Adobe Camera Raw Enhance Details

2023-04-23 Crosshatching Pattern Noise in Adobe Camera Raw AI Denoise Seems to be Fixed, Plus Base ISO in Low Light

2023-02-11 Fujifilm GFX100S: Horizontal White Stripes Related to PDAF?

2021

2021-08-12 Reader Comment, Sony A1: Horizontal Stripes in Blue Channel on Some Colors such as Sunflowers (PDAF banding?)

2021-07-24 Fujifilm GFX100: Horizontal White Stripes a Problem for Numerous Images from my last trip

2021-07-16 Oversampling for Image Quality: we need a 100 Megapixel Sensor in 35mm Format

2021-06-01 Don’t even Think about Using the Fujifilm GFX100S for Monochrome Landscape Images — Horizontal White Stripes Make Images Unusable

2021-04-30 Fujifilm GFX100S: Unacceptable Image Quality for Monochrome Images  — Horizontal White Stripes

2021-03-29 Reader Comment: Fujifilm GFX100S and Captures for Monochrome

2021-03-15 Sony A1 PDAF Banding

2021-03-10 Adobe Camera Raw “Super Resolution” Mode Added to Enhance Details — Unacceptable Digital Artifacts

2021-03-09 How will the Fujifilm GFX100S Fare as to PDAF Banding

2021-03-09 Sony A1 vs Sony A7R IV: Noise, Pattern Noise and Just How Poor the Analysis Tends to Be

2020

2020-12-31 Leica M10 Monochrom: digital artifacts — White Spots on Black Dots — “Pimples”

2020-09-11 Sigma FE 85mm f/1.4 DG DN Art: Micro Contrast, Moiré, Color Aliasing with/without Pixel Shift and Distortion Correction

2020-06-13 Abandoning Adobe Camera Raw Enhance Details—Crosshatching Pattern Noise

2019

2019-10-23 Adobe Camera Raw Enhance Details Produces Striping Pattern Noise on Nikon D850, Other Cameras

2019-10-04 You Won’t Believe Your Eyes... Zeiss Milvus 135mm f/2 Aperture Series on Nikon D850 Monochrome: Pine Creek Mining Buildings (up to 183 megapixels)

2019-09-16 Sony A7R IV Image Quality: Crosshatching Pattern Noise with Adobe Camera Raw Enhance Details

2019-08-05 Fujifilm GFX100: those PDAF Pixels Make Me Wish I Could have a GFX100 Without Them

2019-07-27 Fujifilm GFX Image Quality: Crosshatching Pattern Noise with Adobe Camera Raw Enhance Details

2019-03-19 Reprocessing Fujifilm GFX-50S Images with Moiré and Color Aliasing Issue using Adobe Camera Raw Enhance Details

2017

2017-07-20 Leica M10: Moiré

2017-04-09 Fujifilm GFX: Moiré Examples + Astrophotography

2016

2016-07-21 Zeiss ZM 35mm f/1.4 Distagon Aperture Series: Miner’s Coveralls + Moiré with Leica SL

2016-05-13 Pentax K1 Super Resolution Mode: SuperRes Mode Ends Moiré

2015

2015-05-27 Leica M Monochrom Typ 246: Aperture Series to Assess Diffraction and Digital Artifacts (Dolls)

2014

2014-07-13 Sony A7s: Moiré + Relative Image Size vs A7 and A7R

2013

2013-09-24 iPhone 5s vs Nokia Lumia 1020 Camera Phones (Oversampling and Downsampling)

2013-04-23 Fujifilm X100S: Digital Artifacts

2013-04-19 Leica M Typ 240 Moiré

2012

2012-06-09 Nikon D800E Moiré

2012-05-17 Nikon D800E: Worst-case Moiré

2012-05-17 Nikon D800E: Removing Color Moiré With Adobe Photoshop Lightroom 4

2012-05-05 Thoughts on Moiré and DSLR Resolution and the Optical Low Pass Filter

2012-02-17 Moiré and How To Correct It

2012-02-17 Moiré With the Nikon D3x

2012-02-14 Reader asks: Will Moiré Be Fully Correctable on the D800E?

2012-02-07 Nikon D800E: Moiré

2008

2008-03-27 Digital artifacts