Home Cameras Sony Alpha 7S III Full-frame Mirrorless Camera (Body Onl…

Sony - Alpha 7S III Full-frame Mirrorless Camera (Body Only) - Black

Price range: $2939.95–3699.99
💰
High Brand Tax
Outperforms 17% of cameras, but costs more than 85%.
$2940 is 126% above the $1299 category median.
Brand: Sony
Category: Camera
A Sony CMOS 12.1 MP mirrorless camera with 4K (2160p) · Sony E-Mount (Full-Frame) mount.
PQS: 92 (computed 2026-04-28 07:03)
GTIN-14: 00027242920569
Sony - Alpha 7S III Full-frame Mirrorless Camera (Body Only) - Black

Key specs

A human-friendly subset of populated specs
Megapixels
12.1 MP
Sensor
CMOS
Lens mount
Sony E-Mount (Full-Frame)
Video
4K (2160p)
Burst rate
60 frames per second
Connectivity
WiFi
Display
LCD
Weight
1.87 pounds
Dimensions
3.875 x 5.125 x 3.25 in

Pros & Cons

Based on quantified comparisons vs. 298 cameras
✓ Pros
No standout strengths detected
✗ Cons
  • Megapixels (12.1) — bottom 9% of cameras
  • Weight Kg (0.85) — bottom 25% of cameras

How this Camera compares vs. 298 cameras

Percentile rank for each spec — higher means this product outperforms more of its peers.
Megapixels 12.1MP
9% Bottom 20%
Weight 0.85kg
25% Below avg

Spec Profile Radar

Visual snapshot — outer edge = 100th percentile (best in class)

Offers

Retailer SKU Price Stock Offer Last seen
Best Buy 6423589 3699.99 USD In stock View offer → 2026-04-28 02:15
Newegg 9SIBH2ZK876589 2939.95 USD In stock View offer → 2026-04-28 02:19

Recent price history (50)

Show price log (50 entries)
Retailer Price Stock Seen at
newegg 2939.95 USD In stock 2026-04-28 02:19
bestbuy 3699.99 USD In stock 2026-04-28 02:15
newegg 2939.95 USD In stock 2026-04-27 02:19
newegg 2939.95 USD In stock 2026-04-26 02:19
bestbuy 3699.99 USD In stock 2026-04-26 02:15
newegg 2939.95 USD In stock 2026-04-25 02:18
bestbuy 3699.99 USD In stock 2026-04-25 02:12
newegg 2939.95 USD In stock 2026-04-24 02:26
bestbuy 3699.99 USD In stock 2026-04-24 02:05
newegg 2939.95 USD In stock 2026-04-23 02:15
bestbuy 3699.99 USD In stock 2026-04-23 02:07
newegg 2939.95 USD In stock 2026-04-22 02:16
bestbuy 3699.99 USD In stock 2026-04-22 02:08
newegg 2939.95 USD In stock 2026-04-21 02:13
bestbuy 3699.99 USD In stock 2026-04-21 02:11
newegg 2939.95 USD In stock 2026-04-20 02:22
bestbuy 3699.99 USD In stock 2026-04-20 02:15
newegg 2939.95 USD In stock 2026-04-19 02:26
bestbuy 3699.99 USD In stock 2026-04-19 02:09
newegg 2939.95 USD In stock 2026-04-18 02:25
bestbuy 3699.99 USD In stock 2026-04-18 02:11
newegg 2939.95 USD In stock 2026-04-17 02:25
bestbuy 3699.99 USD In stock 2026-04-17 02:16
newegg 2939.95 USD In stock 2026-04-16 13:30
newegg 2939.95 USD In stock 2026-04-16 02:18
bestbuy 3699.99 USD In stock 2026-04-16 02:12
newegg 2869.95 USD In stock 2026-04-15 02:22
bestbuy 3699.99 USD In stock 2026-04-15 02:12
newegg 2869.95 USD In stock 2026-04-14 02:16
bestbuy 3699.99 USD In stock 2026-04-14 02:05
bestbuy 3699.99 USD In stock 2026-04-13 02:06
bestbuy 3699.99 USD In stock 2026-04-12 02:14
bestbuy 3699.99 USD In stock 2026-04-11 02:12
newegg 2869.95 USD In stock 2026-04-10 02:31
bestbuy 3699.99 USD In stock 2026-04-10 02:10
newegg 2869.95 USD In stock 2026-04-09 02:19
bestbuy 3699.99 USD In stock 2026-04-09 02:14
newegg 2869.95 USD In stock 2026-04-08 02:31
bestbuy 3699.99 USD In stock 2026-04-08 02:10
newegg 2869.95 USD In stock 2026-04-07 02:23
bestbuy 3699.99 USD In stock 2026-04-07 01:29
newegg 2869.95 USD In stock 2026-04-06 02:23
bestbuy 3699.99 USD In stock 2026-04-05 02:12
bestbuy 3699.99 USD In stock 2026-04-04 02:12
newegg 2949.95 USD In stock 2026-04-03 02:26
bestbuy 3699.99 USD In stock 2026-04-03 02:08
newegg 2949.95 USD In stock 2026-04-02 02:18
bestbuy 3699.99 USD In stock 2026-04-02 02:10
newegg 2949.95 USD In stock 2026-04-01 02:25
bestbuy 3699.99 USD In stock 2026-04-01 02:08

Full specs

Show full spec table
SensorCMOS
Megapixels12.1
Lens mountSony E-Mount (Full-Frame)
Video resolution4K (2160p)
Weight (kg)0.85
Reconciled at2026-03-06 10:56
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Related products

Simple similarity over extracted specs (publish_set only)
Debug data (expand)
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Raw brandSony
Raw categoryBest Buy > Cameras, Camcorders & Drones > Digital Cameras > Mirrorless Cameras
Canonical highlights (populated fields only)
core.title Sony - Alpha 7S III Full-frame Mirrorless Camera (Body Only) - Black
core.seo_title Sony ILCE7SM3/B
lens.mount Sony E-Mount (Full-Frame)
lens.stabilization No
brand Sony
model ILCE7SM3/B
ports.summary Audio: Yes
ports.headphone_jack Yes
camera.mount Sony E-Mount (Full-Frame)
camera.sensor CMOS
camera.megapixels 12.1
camera.video_resolution 4K (2160p)
gtin14 00027242920569
images[0] https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/6423/6423589_sd.jpg
display.panel_type LCD
display.touch_screen True
display.screen_size_in 3.0
category camera
physical.depth_in 3.25
physical.width_in 5.12
physical.height_in 3.88
physical.weight_kg 0.85
physical.dimensions_in 3.875 x 5.125 x 3.25 in
warranty.labor 1 Year
warranty.parts 1 Year
schema_version 1
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      "value": "No",
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      "value": "3.875 inches",
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      "value": "5.125 inches",
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      "value": "3.25 inches",
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      "value": "1 year",
      "values": [
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      "value": "Sony a7S",
      "values": [
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      "feature": "12.1MP Backside-illuminated Full Frame CMOS Senor\n12.1MP Exmor R sensor, optimized for 4K, sensitivity and speed"
    },
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      "feature": "Incredible ISO Range and Performance\nLow noise images w/ ISO up to 409,6003 and 15 stop dynamic range"
    },
    {
      "feature": "Up to 10fps Continuous Shooting Bursts\nUp to 1000 RAW+JPEG at 10fps15 w/ continuous autofocus and exposure"
    },
    {
      "feature": "759 Phase Detection AF Points for Instantaneous Subject Acquisition\nIncredible autofocus w/ 759 phase detection AF points, 92% coverage ; 30% improved Real-time Eye-AF10 and Real-time AF tracking down to EV-611,"
    },
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      "feature": "Professional 4K Video Recording\nUp to 4K 120p 10-bit 4:2:2 and full pixel readout in all rec. modes; up to 4K 120p in XAVC S (AVC), XAVC HS (HEVC) and XAVC S-I (All-I)"
    },
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      "feature": "Functional and Flexible Connectivity\nHigh-speed 2.4 and 5GHz Wi-Fi15 / FTP transfer and wireless PC remote, NFC"
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      "feature": "High Definition Touch Flip-out Screen\n3” flip-out, vari-angle LCD monitor w/ touch menu and controls"
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    {
      "feature": "Sony's Most Powerful Processor Yet\nNew BIONZ XR processing engine delivers 8x more processing power"
    },
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    },
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      "feature": "Dual Media Card Slots with CFexpress and UHS Compatibility\nDual card slots, both compatible with CFexpress Type A and SDXC/SDHC"
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      "feature": "1 - Approximate. Effective megapixels. 2 - Compared to previous version/model. 4 - Movie shooting with S-Log 3. Sony test conditions. May require color grading. 6 - Requires optional compatible external recorder. 9 – Object recognition compared to cameras with BIONZ X processors."
    },
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      "feature": "Memory Card\n5-12p has a 1.1x crop. XAVC S-I (S&Q) 4K 120p 10-bit 4:2:2 requires CFexpress Type A (VPG200 or higher).  XAVC S-I 4K 60p 10-bit 4:2:2 requires SDXC V90 or faster. XAVC S/XAVC HS 4K 120p 10-bit 4:2:2 requires SDXC V60 or faster. XAVC S HD 240p 10-bit 4:2:2 requires SDXC V60 or faster."
    },
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Newegg raw specs
raw_specs_text (pretty) — expand
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