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Sony A7R IV @ about $4797

View Sony Mirrorless wish listDeals on Sony...

Sony A7R V

5th Generation standard-setting camera..

Sony A1

Technological tour de force..

Sony Alpha A7R IV

4th Generation standard-setting camera..

Sony Alpha A7R IV Design Issues

Bad behaviors, anti-design, issues ..

Sony FE 35mm f/1.8

Compact moderate wide angle..

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

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

Sigma FE 35mm f/1.2 DG DN Art

Ultra high speed native-mount moderate wide angle..

Sigma FE 45mm f/2.8 DG DN Contemporary

Compact native-mount normal lens..

Sigma FE 70mm f/2.8 DG Macro Art

Macro lens also excellent for all-around shooting..

Voigtlander FE 21mm f/1.4 Aspherical

Fast high performance manual focus wide angle..

Voigtlander FE 35mm f/2 APO-Lanthar Aspherical

High-grade manual focus wide-normal lens..

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

Ultra high grade performer at a modest price..

Voigtlander FE MACRO APO-LANTHAR 110mm f/2.5

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

Sony FE 12-24mm f/2.8 GM

Fast extreme wide angle zoom..

Sony FE 12-24mm f/4 G

Extreme wide angle zoom..

Sony FE 16-35mm f/2.8 GM

Pro-grade f/2.8 wide angle zoom..

Zeiss Loxia 21mm f/2.8 Distagon

Outstanding ultra wide angle performer..

Zeiss Loxia 25mm f/2.4 Distagon

Outstanding wide angle, superb performer..

Zeiss Loxia 35mm f/2 Biogon

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

Zeiss Loxia 85mm f/2.4 Sonnar

Manual focus telephoto lens for full-frame mirrorless..

Zeiss Batis 25mm f/2 Distagon

Autofocus wide angle for Sony full-frame mirrorless..


Blog posts, reverse chronological

2023

2023-01-31 Sony 16-shot Pixel Shift Works in the Field, Trounces the Fujifilm GFX100S, Might Match the PhaseOne IQ4 150

2023-01-30 Sony Pixel Shift: Why Sony 16-shot pixel shift is a Can’t-Lose Proposition

2023-01-30 Reader Comment on 16-Shot Sony Pixel Shift: “360 MP images looks terrific... but does this matter?”

2023-01-29 Extreme Resolution, Ultra Low Noise: Sony A7R V Pixel Shift: 16-Shot vs 4-Shot vs Single-Shot: Dolls

2023-01-28 Sony Pixel Shift on Sony A7R V: Notched “Pac Man” Bites on Edges of Objects

2023-01-28 Sony A7R V Pixel Shift: Diffraction Effects, Pixel Shift vs Single Shot, Enhance Details

2023-01-27 Sony A7R V: Sony Pixel Shift Exposure Bug

2023-01-21 Sony A7R V: Sony Pixel Shift Gotchas, but Foolproof Ways to Optimize

2023-01-19 Sony A7R V: Pixel Shift Capture and Workflow and Post Processing Steps

2023-01-17 Voigtlander FE 65mm f/2 Macro APO-Lanthar Aperture Series: Riparian Creek (Sony A7R V)

2023-01-12 Sony Pixel Shift on Sony A7R V: Performance Proofs of Difficult Scenes with Pixel Shift + Focus Stacking

2023-01-11 Sony Pixel Shift: 16-Shot Mode has No Value that I can See, Inferior to 4-Shot

2023-01-11 Sony Pixel Shift on Sony A7R V: Pixel Shift In Combination With Panoramic Stitching

2023-01-10 Sony Viewer.app: Like the Sony A7R V, Undermining Confidence in Sony Engineering

2023-01-09 Sony Pixel Shift with Motion Correction on Sony A7R V even deals with Moving People

2023-01-08 Sony A7R V Pixel Shift on Complex Outdoor Scenes: a Stunning Advance in Image Quality

2023-01-06 Sony A7R V Focus Bracketing Example @ 12mm: Failure to Reach INF so Badly Blurred, (“Chocolate Brown Alpine Creek”)

2023-01-05 Sony A7R V: Issues with Focus Bracketing for Focus Stacking — Yet Another Bug

2023-01-02 Sony A7R V: a Close Look at Just How Good Pixel Shift Is vs Single-Shot Capture

2023-01-02 Sony A7R V: Issues with Focus Bracketing for Focus Stacking

2023-01-01 Does Medium Format Have a Reason to Exist here in 2023? Sony A7R V says not

2022

2022-12-31 Sony Pixel Shift: Outstanding Results, but Botched Design for Motion Correction Ignores Benefits of Frame Averaging, Increases Noise

2022-12-30 SHOOTOUT @ 63/50mm: Fujifilm GFX100S vs Sony A7R V Pixel Shift: Creek Bottom at Huge Laurel

2022-12-29 Sony Pixel Shift: Outstanding Results, but Botched Design for Motion Correction Ignores Benefits of Frame Averaging, Increases Noise —  OOPS

2022-12-26 Reader Comment: Sony A7R V Pixel Shift vs Demosaicing, Motion Correction, etc

2022-12-23 SHOOTOUT: Sony A7R V Pixel Shift vs Fujifilm GFX100S @ 20/16mm: the Medium Format Killer Keeps Delivering

2022-12-23 Confusticating Choice: Sony A7R V with Pixel Shift vs Fujifilm GFX100S

2022-12-22 Sony A7R V Pixel Shift + Sony FE 12-24mm f/2.8 GM @ 21mm: Comparing Pixel Shift to Single Shot (Huge Laurel at Bend in Alpine Creek)

2022-12-21 SHOOTOUT: Sony A7R V Pixel Shift vs Fujifilm GFX100S @ 26/21mm: the Medium Format Killer Keeps Delivering

2022-12-20 Sony Pixel Shift: Sony A7R V vs Sony A7R IV a Major Advance in Capture Detail

2022-12-20 Sony A7R V Pixel Shift + Voigtlander FE 35mm f/2 APO Dual Aperture Series: Alpine Creek Bottom

2022-12-19 Sony A7R V Pixel Shift + Voigtlander FE 35mm f/2 APO: Comparing Pixel Shift to Single Shot (Huge Laurel at Bend in Alpine Creek)

2022-12-19 SHOOTOUT: Sony A7R V Pixel Shift vs Fujifilm GFX100S @ 42mm/35mm: the Medium Format Killer Debuts

2022-12-18 Sony A7R V Pixel Shift with Motion Correction: Moving Water

2022-12-15 Sony A7R V: Sony Botches Focus Stacking inMultiple Ways  — Precludes Pixel Shift, Frame Averaging, etc

2022-12-15 Sony A7R V Pixel Shift with Motion Correction a Medium Format Killer?

2022-12-15 How much is Sony Botched Camera and Software Design $Costing You? Is Adobe DNG Converter Viable? The Sony Workflow TAX

2022-12-14 Adobe Camera Raw now Supports Sony A7R V Raw Files ARW and ARQ — But Has a Problem with Smeared Edges

2022-12-13 Sony A7R V: Focus Bracketing Feature Cannot be Relied Upon

2022-12-13 Sony A7R V: File Numbering — Resets to 0001 with each Focus Bracketing Series

2022-12-13 Sony A7R V: Competitive Using Pixel Shift + Motion Correction vs Fujifilm GFX100S?

2022-12-11 Sony A7R V: Pixel Shift Artifacts: Sony vs PixelShift2DNG

2022-12-08 Sony A7R V: the ARW Raw File Format Has Changed, Incompatible for the Moment with Adobe Camera Raw and PixelShift2DNG

2022-12-08 Sony A7R V: Sony Remote Commander RMT-P1BT Fails to Work After Pairing

2022-12-08 Sony A7R V: In Stock, Why?

2022-12-07 Sony A7R V: Initial Impressions

2022-12-05 Sony A7R V: Focus Bracketing for Focus Stacking

2022-12-05 Sony A7R V: Costly Bad Design for Pixel Shift —  Disallows Lossless Compressed RAW

2022-12-05 Sony A7R V Tomorrow

2022-10-27 Reader Comments on Sony A7R V

2022-10-26 Sony Debuts AI Technology in Sony A7R V

2022-08-30 Problem Solver: Eyeshade for Sony A1, Sony A7R IV, Nikon Z7/Z6, Fujifilm GFX, etc

2022-06-07 Sony A1 vs Sony A7R IVa

2021

2021-07-15 What Does the Future Hold for a Sony A7R V?

2021-05-23 Traveling Shooting the Fujifilm GFX100S and Various Sony and Voigtlander Lenses

2021-04-16 Sony A1 vs Sony A7R IV: Summary and Conclusions on How the Two Compare

2021-04-04 Shootout: Sony A1 vs Sony A7R IV from ISO 100 to ISO 102400, Noise, Hot Pixels, Sharpness, Color

2021-04-03 Shutter Modes for Sony A1, Sony A7R IV Could be Better Done (Less Confusing)

2021-04-02 Sony A1 Image Quality: Bumps it Up over Sony A7R IV

2021-04-01 Sony A1 vs Sony A7R IV: Looking at Resolving Power with Siemens Star

2021-03-14 Sony A1 or Sony A7R IV? If you Need the A1 Features, It’s Easy, otherwise it’s gear lust?

2021-03-11 Sony A7R IV: Where is the Firmware Update to Upgrade Us to Lossless-Compressed RAW Files? UPDATE: not likely to happen

2021-03-10 Really Right Stuff L-Bracket for Sony A1 — Brackets from Sony A7R IV fit, but with limitations

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

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

2021-03-01 3rd-Party Lenses for Nikon Z, Canon RF, Sony E, Fujifilm GF Mirrorless Cameras

2021-02-12 SHOOTOUT: Voigtlander FE 110mm f/2.5 vs Sony FE 70-200mm f/2.8 GM: View over Saddlebag Lake to Southern Spur of Mt Conness (Sony A7R IV)

2021-02-12 Reader Comment: Black and White Photography “samples you have are some of the best I have seen” + How to Process

2021-02-10 Sony A7R IV: Where is the Firmware Update to Upgrade Us to Lossless-Compressed RAW Files?

2021-02-07 How Good is the Sony A7R IV for Monochrome vs the Leica M10 Monochrom and/or Nikon D850 Monochrome?

2021-02-02 Fujifilm GFX100S or Sony A1 or Sony A7R IV for Landscape, Studio, etc?

2021-02-01 Reader Comment: Adapting Nikon F-Mount and Zeiss DSLR Lenses to Sony Mirrorless

2020

2020-12-07 Reader Comment: Mirrorless Camera Perhaps Nikon Z7 II to go with Nikon D850, Tempted by Sony A7R IV

2020-10-20 Sony’s Shading Compensation (Vignetting Correction) Whacks Raw Files Hard—Turn it Off When Shooting RAW

2020-10-18 Analyzing Swing and Tilt of Sony A7R IV with Two Samples of Sony FE 12-24mm f/2.8 GM

2020-10-16 Update on Sony A7R IV Lens Mount / Sensor Parallelism, Lens Skew of Sony FE 12-24mm f/2.8 GM, Coming Field Shooting

2020-10-12 $500 Off Sony A7R IV at B&H Photo

2020-10-08 Is It Even POSSIBLE to get a properly aligned Sony A7R IV?

2020-10-07 Sony A7R IV in for Repair of Lens Mount / Sensor Parallelism Problem

2020-08-09 Sony A7R IV Monochrome Conversion by MaxMax.com

2020-05-17 Sigma FE 105mm f/1.4 DG HSM Art Aperture Series: View Over Alabama Hills to Wind Driven Snow on Whitney Range (Sony A7R IV)

2020-05-12 Sigma FE 105mm f/1.4 DG HSM Art Examples: Mixed Lighting over Western Alabama Hills (Sony A7R IV)

2020-05-08 Sigma FE 105mm f/1.4 DG HSM Art Aperture Series: View Over Alabama Hills to Wind Driven Snow on Whitney Range (Sony A7R IV)

2020-05-07 Sony FE 20mm f/1.8 G Aperture Series: Alabama Hills Granite Monolith, Sunrise (Sony A7R IV)

2020-05-06 Sigma FE 105mm f/1.4 DG HSM Art Wide Aperture Examples: Flora at Sunrise (Sony A7R IV)

2020-05-06 Sigma FE 105mm f/1.4 DG HSM Art Wide Aperture Examples: Deer At Dawn (Sony A7R IV)

2020-05-05 Sony FE 20mm f/1.8 G Aperture Series: View Towards Big Pine and Eastern Sierra, Dusk (Sony A7R IV)

2020-04-16 Sigma 24-70mm f/2.8 DG DN Art Aperture Series @ 70mm: View Past Lone Pine Campground to White Mountains (Sony A7R IV)

2020-04-02 Sony FE 20mm f/1.8 G Examples: Alabama Hills (Sony A7R IV)

2020-04-01 Sigma FE 105mm f/1.4 DG HSM Art Examples: Alabama Hills (Sony A7R IV)

2020-03-31 Sony FE 20mm f/1.8 G Aperture Series: View Over Dry Wash to Early Sun on Mt Whitney Range (Sony A7R IV)

2020-03-25 Sigma FE 105mm f/1.4 DG HSM Art Examples: Alabama Hills (Sony A7R IV)

2020-03-25 Sigma FE 105mm f/1.4 DG HSM Art Aperture Series: Stars Over Mt Whitney, Pre-Dawn Deep Blue Sky (Sony A7R IV)

2020-03-23 Sony FE 20mm f/1.8 G Aperture Series:Backlit Sagebrush View to Peaks (Sony A7R IV)

2020-03-22 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: Alabama Hills Plain View to Mt Whitney Range, Pre-Dawn (Sony A7R IV)

2020-03-21 Voigtlander 50mm f/2 APO-Lanthar Examples: Alabama Hills (Sony A7R IV)

2020-03-21 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: Painting of Idyllic Ocean on Burned-Out Van Door (Sony A7R IV)

2020-03-16 Sigma FE 105mm f/1.4 DG HSM Art Examples: Alabama Hills (Sony A7R IV)

2020-03-09 Sigma 24-70mm f/2.8 DG DN Art Aperture Series @ 35mm: Mining Cylinder View to Playa, Dusk (Sony A7R IV)

2020-03-05 Sigma FE 105mm f/1.4 DG HSM Art Examples: Lee Vining Canyon (Sony A7R IV)

2020-03-05 Sigma FE 105mm f/1.4 DG HSM Art Aperture Series: White Aspen Trunks (Sony A7R IV)

2020-03-05 Sigma FE 105mm f/1.4 DG HSM Art Aperture Series: Aspen-Lined Road at Dusk (Sony A7R IV)

2020-03-05 Sigma FE 105mm f/1.4 DG HSM Art Aperture Series: Aspen Amid Willow Brush at Dusk (Sony A7R IV)

2020-03-04 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: White Aspen Trunks (Sony A7R IV)

2020-02-28 Sony A7R IV In For Repair: With Praise and Mild Criticism for Sony (and why does a new New Camera Needs Parts?)

2020-02-20 Reader Comment: Sony A7R IV Focus Tracking vs Nikon D850

2020-02-19 Why I am Dragging my Feet with the Voigtlander 50mm f/2 APO-Lanthar: Possible Issue with Sony A7R IV Lens Mount Flange/Sensor Planarity

2020-02-16 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: Rodin Burghers, Dusk (Sony A7R IV)

2020-02-16 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: Night Lights Along Bike Path (Sony A7R IV)

2020-02-16 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: Countertop Reflections in Color (Sony A7R IV)

2020-02-08 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: Olives, Still Life Flora (Sony A7R IV)

2020-02-08 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: Countertop Reflections (Sony A7R IV)

2020-02-07 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: Blue Bike (Sony A7R IV)

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

2015

2015-07-06 Sony A7R II, Sony A7R III, Sony A7R IV with Zeiss Otus and other Lenses

2013

2013-12-21 Sony A7R vs Sony A7

2013-12-11 Sony A7R vs A7: Shutter Vibration at 280mm

2013-12-09 Shootout: Sony A7R vs Sony A7 (Red Barn)

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