__RETINA_INFO_STATUS__         WindInMyFace.com MacPerformanceGuide.com          Amazon OWC Wishlists Wishlists & Deals

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

Sony A7R IV

mirrorless full frame 60MP @ 9504x6336

Scroll down to see all publications and blog posts. Not all pages are curated—search.

Sony A7R IV @ about $3499

View Sony Mirrorless wish listDeals on Sony...

Newest blog posts

View all 61 related blog posts...

2019-11-03 Voigtlander 65mm f/2 APO Macro-Lanthar Aperture Series: 'View to Mt Conness from Tuolumne Meadows Area, Early Night' — also evaluates long exposure noise on Sony A7R IV

2019-10-31 Voigtlander 65mm f/2 APO Macro-Lanthar Aperture Series: View to Mt Conness Past Granite Dome, Late Dusk

2019-10-31 Sometimes, Grossly Misleading Errors in Sony RGB Histogram

2019-10-28 Sony A7R IV: Horrible Sensor Dust Problems (updated 2019-11-17)

2019-10-27 Zeiss Loxia 85mm f/2.4 Examples: Massive Ancient Bristlecone Trunk (Sony A7R IV)

2019-10-27 Zeiss Loxia 25mm f/2.4 Examples: White Mountains Bristlecones (Sony A7R IV)

2019-10-27 Zeiss Loxia 25mm f/2.4 Aperture Series: Bristlecone Logs View to Bristlecone Graveyard, Dusk Purple Sky (Sony A7R IV)

2019-10-26 A Real World Example of How Sony 11+7 Bit Lossy Compression Creates Ugly Block Artifacts

2019-10-24 Sigma 35mm f/1.2 DG DN Art Aperture Series: Patriarch Grove from Above At Dusk, View Southwest (Sony A7R IV)

2019-10-21 Sigma 35mm f/1.2 DG DN Art: Pine Creek Examples

Sony Alpha A7R IV

4th Generation standard-setting camera..

1. Introduction to Sony A7R IV
2. Sony A7R IV PressRelease
3. Downloadable Settings File for Sony A7R IV
4. Diffraction Considerations for Sony A7R IV
5. Multiple Exposure Frame Averaging for Ultra Low Noise, Improved Tonality
6. Using Pixel Shift to Capture 4 Frames for Frame Averaging
7. Examples: Dynamic Range, Practical Examples
8. Resolution for Sony A7R IV vs Sony A7R III: Overview
9. Shootout of Sony A7R IV vs Sony A7R III: Siemens Chart
10. Shootout of Sony A7R IV vs Sony A7R III: View Past Greenstone Lake to North Peak
11. Shootout of Sony A7R IV vs Sony A7R III: Pine Creek Mining Buildings

Sony Alpha A7R IV Design Issues

Bad behaviors, anti-design, issues ..

1. Tips for using the Aperture Drive setting for Aperture Control

Sony FE 35mm f/1.8

Compact moderate wide angle..

1. Aperture Series: Mosaic (Sony A7R IV)

Sigma 14-24mm f/2.8 DG DN Art

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

1. Examples: Twenty Lakes Basin (Sony A7R IV)
2. Examples: White Mountains (Sony A7R IV)
3. Examples: Pine Creek (Sony A7R IV)
4. Shootout @ 14mm: Mosaic (Sony A7R IV)
5. 3-Way Shootout @ 18mm: Mosaic (Sony A7R IV)
6. 3-Way Shootout @ 24mm: Mosaic (Sony A7R IV)
7. Shootout: Sigma 14-24mm f/2.8 DG DN Art vs Zeiss Loxia 21mm f/2.8: Twenty Lakes Basin, View Towards Mt Conness Drainage (Sony A7R IV)

Sigma 35mm f/1.2 DG DN Art

Ultra high speed native-mount moderate wide angle..

1. Examples: Eastern Sierra, Pine Creek (Sony A7R IV)
2. Examples: Eastern Sierra, Yosemite and Twenty Lakes Basin (Sony A7R IV)
3. Aperture Series: Teak Bench (Sony A7R IV)
4. Aperture Series: Mosaic (Sony A7R IV)
5. Aperture Series: Rocky Creekbed at Dusk (Sony A7R IV)
6. Shootout: Sigma 35mm f/1.2 DG DN Art vs Zeiss Loxia 35mm f/2: Twenty Lakes Basin, View Towards Mt Conness Drainage (Sony A7R IV)
7. Aperture Series: Patriarch Grove from Above At Dusk, View Southwest (Sony A7R IV)

Sigma 45mm f/2.8 DG DN Contemporary

Compact native-mount normal lens..

1. Aperture Series: Mosaic (Sony A7R IV)

Sigma 70mm f/2.8 DG Macro Art

Macro lens also excellent for all-around shooting..

1. Aperture Series: Mosaic (Sony A7R IV)

Voigtlander FE 21mm f/1.4 Aspherical

Fast high performance manual focus wide angle..

1. Examples: Eastern Sierra (Sony A7R IV)
2. Shootout: Voigtlander FE Nokton 21mm f/1.4 Aspherical vs Zeiss Loxia 21mm f/2.8: Mosaic (Sony A7R IV)

Voigtlander FE 65mm f/2 Macro APO-Lanthar Aspherical

Ultra high grade performer at a modest price..

1. Aperture Series: Tower in Rosy Dusk Glow (Sony A7R IV)
2. Aperture Series: Rodin Burghers (Sony A7R IV)
3. Aperture Series: Rodin Courtyard (Sony A7R IV)
4. Aperture Series: Mosaic (Sony A7R IV)
5. Examples: Various (Sony A7R IV)
6. Examples: Pine Creek (Sony A7R IV)
7. Focus Stacking with Pixel Shift: Twisted, Burned, Broken Downed Tree High in Pine Creek Canyon (Sony A7R IV)
8. Aperture Series: View to Mt Conness Past Granite Dome, Late Dusk (Sony A7R IV)
9. Aperture Series: View to Mt Conness from Tuolumne Meadows Area, Early Night (Sony A7R IV)

Voigtlander FE MACRO APO-LANTHAR 110mm f/2.5

High grade macro all-arounder at a modest price..

1. Aperture Series: Mosaic (Sony A7R IV)

Sony FE 12-24mm f/4 G

Extreme wide angle zoom..

1. Aperture Series @ 12mm: Mosaic (Sony A7R IV)
2. Examples: Twenty Lakes Basin (Sony A7R IV)
3. 3-Way Shootout @ 18mm: Mosaic (Sony A7R IV)
4. 3-Way Shootout @ 24mm: Mosaic (Sony A7R IV)

Sony FE 16-35mm f/2.8 GM

Pro-grade f/2.8 wide angle zoom..

1. Aperture Series @ 35mm: Mosaic (Sony A7R IV)
2. 3-Way Shootout @ 18mm: Mosaic (Sony A7R IV)
3. 3-Way Shootout @ 24mm: Mosaic (Sony A7R IV)

Zeiss Loxia 21mm f/2.8 Distagon

Outstanding ultra wide angle performer..

1. Shootout: Zeiss Loxia 21mm f/2.8 vs Voigtlander FE Nokton 21mm f/1.4 Aspherical Mosaic (Sony A7R IV)
2. Shootout: Zeiss Loxia 21mm f/2.8 vs Sigma 14-24mm f/2.8 DG DN Art: Twenty Lakes Basin, View Towards Mt Conness Drainage (Sony A7R IV)

Zeiss Loxia 25mm f/2.4 Distagon

Outstanding wide angle, superb performer..

1. Examples: White Mountains Bristlecones (Sony A7R IV)
2. Aperture Series: Bristlecone Logs View to Bristlecone Graveyard, Dusk Purple Sky (Sony A7R IV)
3. Aperture Series: Mosaic (Sony A7R IV)

Zeiss Loxia 35mm f/2 Biogon

Manual focus moderate wide angle for full-frame mirrorless..

1. Aperture Series: Mosaic (Sony A7R IV)
2. Shootout: Zeiss Loxia 35mm f/2 vs Sigma 35mm f/1.2 DG DN Art: Twenty Lakes Basin, View Towards Mt Conness Drainage (Sony A7R IV)

Zeiss Loxia 85mm f/2.4 Sonnar

Manual focus telephoto lens for full-frame mirrorless..

1. Aperture Series: Massive Ancient Bristlecone (Sony A7R IV)
2. Examples: Eastern Sierra (Sony A7R IV)

Zeiss Batis 25mm f/2 Distagon

Autofocus wide angle for Sony full-frame mirrorless..

1. Examples, Eastern Sierra (Sony A7R IV)

Blog posts, reverse chronological

2019

2019-11-03 Voigtlander 65mm f/2 APO Macro-Lanthar Aperture Series: 'View to Mt Conness from Tuolumne Meadows Area, Early Night' — also evaluates long exposure noise on Sony A7R IV

2019-10-31 Voigtlander 65mm f/2 APO Macro-Lanthar Aperture Series: View to Mt Conness Past Granite Dome, Late Dusk

2019-10-31 Sometimes, Grossly Misleading Errors in Sony RGB Histogram

2019-10-28 Sony A7R IV: Horrible Sensor Dust Problems (updated 2019-11-17)

2019-10-27 Zeiss Loxia 85mm f/2.4 Examples: Massive Ancient Bristlecone Trunk (Sony A7R IV)

2019-10-27 Zeiss Loxia 25mm f/2.4 Examples: White Mountains Bristlecones (Sony A7R IV)

2019-10-27 Zeiss Loxia 25mm f/2.4 Aperture Series: Bristlecone Logs View to Bristlecone Graveyard, Dusk Purple Sky (Sony A7R IV)

2019-10-26 A Real World Example of How Sony 11+7 Bit Lossy Compression Creates Ugly Block Artifacts

2019-10-24 Sigma 35mm f/1.2 DG DN Art Aperture Series: Patriarch Grove from Above At Dusk, View Southwest (Sony A7R IV)

2019-10-21 Sigma 35mm f/1.2 DG DN Art: Pine Creek Examples

2019-10-20 Voigtlander 65mm f/2 APO Macro-Lanthar Examples: Pine Creek Panoramas

2019-10-20 Reader Comments: Downloadable Settings for Sony A7R IV

2019-10-14 Sony A7R IV: Confusing Stop-Down Behavior, Camera Chooses Arbitrary/Unspecified Aperture for Viewing/Focusing

2019-10-13 Sony A7R IV: Using Pixel Shift to Capture 4 Frames for Frame Averaging

2019-10-09 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Old Mining Structures

2019-10-08 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Music Box in Miner’s Cabin

2019-09-28 Shootout: Sigma 14-24mm f/2.8 DG DN Art vs Zeiss Loxia 21mm f/2 Distagon: Twenty Lakes Basin, View Towards Mt Conness Drainage (Sony A7R IV)

2019-09-27 Shootout: Sigma 35mm f/1.2 DG DN Art vs Zeiss Loxia 35mm f/2 Biogon: Twenty Lakes Basin, View Towards Mt Conness Drainage (Sony A7R IV)

2019-09-27 Jaw-Dropping Image Quality: Sony A7R IV with Sigma 14-24mm f/2.8 DG DN Art Examples: Eastern Sierra

2019-09-27 Conclusions and Recommendations for Sigma 14-24mm f/2.8 DG DN Art

2019-09-25 Autumn Color Season Starting in Eastern Sierra

2019-09-23 Sigma 35mm f/1.2 DG DN Art Aperture Series: Rocky Creekbed at Dusk (Sony A7R IV)

2019-09-22 3-Way Shootout: Sony 16-35mm f/2.8 GM vs Sony 12-24mm f/4 G vs Sigma 14-24mm f/2.8 DG DN Art @ 24mm: Mosaic (Sony A7R IV)

2019-09-21 Exploring Frame Averaging for Sony A7R IV (Updated with reader comments)

2019-09-20 Sony A7R IV Burst Mode for Frame Averaging Drops to 12-Bit Files if Using Compressed RAW

2019-09-20 Sony 16-35mm f/2.8 GM Aperture Series @ 35mm: Mosaic (Sony A7R IV)

2019-09-20 Sigma 70mm f/2.8 Macro Aperture Series: Mosaic (Sony A7R IV)

2019-09-19 Voigtlander MACRO APO-Lanthar 110mm f/2.5 Aperture Series: Mosaic (Sony A7R IV)

2019-09-19 Sony FE 35mm f/1.8 Aperture Series: Mosaic (Sony A7R IV)

2019-09-19 Sony A7R IV vs Lens Quality Control (all brands), Actual Increase in Resolution over the Sony A7R III

2019-09-19 Shootout: Sony 12-24mm f/4 G vs Sigma 14-24mm f/2.8 DG DN Art @ 14mm: Mosaic (Sony A7R IV)

2019-09-19 3-Way Shootout: Sony 16-35mm f/2.8 GM vs Sony 12-24mm f/4 G vs Sigma 14-24mm f/2.8 DG DN Art @ 18mm: Mosaic (Sony A7R IV)

2019-09-18 Zeiss Loxia 35mm f/2 Biogon Aperture Series: Mosaic (Sony A7R IV)

2019-09-18 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Tower at Dusk in Rosy Glow (Sony A7R IV)

2019-09-18 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Rodin Courtyard (Sony A7R IV)

2019-09-18 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Rodin Burghers (Sony A7R IV)

2019-09-18 Sony FE 12-24mm f/4 G Aperture Series: Mosaic (Sony A7R IV)

2019-09-18 Shootout: Voigtlander FE Nokton 21mm f/1.4 Aspherical vs Zeiss Loxia 21mm f/2.8: Mosaic (Sony A7R IV)

2019-09-18 Lens Quality Control as Revealed by Demanding Sony A7R IV 60MP Sensor

2019-09-17 Nikon D850 Monochrome: Initial Example, and Frame Averaging for Ultra Low Noise (updated with comments, Sony A7R IV Potential)

2019-09-16 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Mosaic (Sony A7R IV)

2019-09-16 Sony A7R IV: Diffraction with High Grade Lenses

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

2019-09-16 Sony A7R IV 'Cooks' Its RAW Files, Just Like Its Predecessors

2019-09-16 Sigma 45mm f/2.8 DG DN Contemporary Aperture Series: Mosaic (Sony A7R IV)

2019-09-16 Sigma 35mm f/1.2 DG DN Art Aperture Series: Mosaic (Sony A7R IV)

2019-09-16 Sigma 35mm f/1.2 DG DN Art Aperture Series: Effects of Distortion Correction

2019-09-15 Zeiss Loxia 25mm f/2.4 Aperture Series: Mosaic (Sony A7R IV)

2019-09-15 Sony A7R IV Raw File Support in Adobe Camera Raw is Preliminary, Problematic

2019-09-15 Sony A7R IV Quick Thoughts

2019-09-15 Demands on Lens Performance with the Sony A7R IV are More Pronounced than I had Anticipated

2019-09-14 Sigma 35mm f/1.2 DG DN Art Aperture Series: Teak Bench (Sony A7R IV)

2019-09-14 LibRaw Updates PixelShift2DNG for Sony A7R IV, Supports 4-frame and 16-frame Pixel Shift Files

2019-09-12 Lucky to get one: Sony A7R IV Arriving Friday

2019-09-09 Voigtlander Macro APO-Lanthar 110m f/2.5

2019-08-30 Landscape Photographers Looking for Superior Results and Lowest Effort and Fewest Problems Go with Fujifilm GFX100, not Sony A7R IV

2019-08-25 Sony A7R IV Looks Flawed for My Purposes: Appear to Lack Focus Stacking Support and Lossless Compressed RAW

2019-08-18 Some Fujifilm GFX100 Behaviors also Apply to the coming Sony 7R IV

2019-07-19 Sony A7R IV: Which High-Speed and High-Capacity SDXC Cards Are Best?

2019-07-19 Sony A7R IV: Serious Doubts About Viability of Sony 16-Shot High-Res Mode for Field Use

2019-07-17 Sony A7R IV Takes the Floor