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Sony A7RV vs Nikon Z8: Dynamic Range at ISO 6400
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Sigma 35mm f/1.4 Art vs Zeiss Milvus: Corner sharpness at f/2.8
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Fuji GFX 100S II medium format — pixel peeping 400% crops
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Ricoh GR IIIx f/8 sharpness: is it really the sweet spot?
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Histogram AnalysisRGB
SONY_A7RV_DSC04821.ARW · f/2.8 · 1/250s · ISO 800
SHADOWSMIDTONESHIGHLIGHTS
CLIPPING: 0.2% · MEAN: 127 · STD: 48
Gear ComparisonMTF · CHART
LENS A
Sony FE 85mm f/1.4 GM
85mm · f/1.4 · 820g
Sharpness: 9.2/10
LENS B
Sigma 85mm f/1.4 Art
85mm · f/1.4 · 1085g
Sharpness: 9.4/10
MTF50 · LPMM vs FIELD POSITION
Sony GM
Sigma Art
EXIF_AUTO_TAGHISTOGRAM_CRITIQUEMTF_CHARTSAF_TRACKING_DATAGEAR_DATABASEPIXEL_PEEP_400%ISO_BENCHMARKSNOISE_ANALYSIS
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GEAR_DB · v4.1
12,400
Lenses in Gear Database
Every production lens from 1970 to present, with community-sourced real-world MTF data, sample images, and owner reviews.
Canon RFSony FENikon ZFuji XL-MountMFT
EXIF · AUTO
2.1Mposts
EXIF Auto-Tagged Threads
Every image upload auto-extracts and indexes EXIF metadata. Filter any thread by ISO, aperture, shutter speed, or focal length.
f/2.8 · 1/1000s · ISO 3200
85mm · Sony A7RV · RAW
CRITIQUE · LIVE
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Active Critique Sessions
Markup tools let reviewers annotate directly on images — pin histograms, draw sharpness zones, compare against reference frames.
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AF · TRACKING
340bodies
AF Tracking Test Library
Community-run standardized AF tests across lighting conditions, subject types, and firmware versions. Every mirrorless body compared.
94
A7RV
91
Z8
89
R5 II
NOISE · ANALYSISISO INVARIANCE TEST
Sensor Noise Benchmarks
Standardized noise measurements at every ISO stop from 100 to 409600. Pixel-level crop comparisons between bodies, with DR and read noise data.
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ARCHIVE
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Sample Images in Archive
Every post image stored with full EXIF, searchable by any technical parameter.
ZOOM · TOOL
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Pixel Peep Zoom Tool
Side-by-side 400% crop comparison between any two uploaded images.
REVIEWS
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Community Reviews
Verified owner reviews with shooting conditions and sample galleries.
FIRMWARE
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Firmware Changelog DB
Every firmware release tracked with community-tested AF and performance notes.
GEAR_DB · v4.112,400 entries

Browse the Gear Database

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LENS / BODYMOUNTFOCALMAX APSHARPNESSREVIEWSTHREADS
Sony FE 85mm f/1.4 GM
Sony FE85mmf/1.4
9.2
1,847
342
Sigma 35mm f/1.4 Art
Multi35mmf/1.4
9.4
2,103
489
Nikon Z 400mm f/2.8 TC
Nikon Z400mmf/2.8
9.6
412
187
Fuji XF 16-80mm f/4
Fuji X16-80mmf/4
8.7
934
276
Canon RF 28-70mm f/2
Canon RF28-70mmf/2
9.5
678
203
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EXIF-Tagged Posts
GEAR_DB
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Lenses in Gear DB
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Community Rating
MEMBER DISPATCHES
The histogram critique tool changed how I think about exposure. I post a shot, someone annotates the clipping zones, and I learn more in 10 minutes than a workshop.
Marcus Chen
Wedding Photographer · Sony A7RV
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I compared AF tracking data for 6 mirrorless bodies before buying. Standardized community tests, actual numbers, no marketing fluff. Bought the Z8. Right call.
Priya Nair
Wildlife Photographer · Nikon Z8
312
POSTS
The EXIF auto-tag on every post means I can filter the entire forum for f/8 shots on a 35mm lens. That's how you learn what a focal length actually does.
Tom Okafor
Street Photographer · Ricoh GR IIIx
1,204
POSTS
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