Pentax K-3 III vs Sony Alpha ILCE-A7C Comparison



Let’s compare the Pentax K-3 III vs Sony Alpha ILCE-A7C.

Our comparison table below covers all the important specifications of each camera. In this side-by-side review, we will be comparing Pentax K-3 III and Sony Alpha ILCE-A7C. While Pentax K-3 III has APS-C sensor, Sony Alpha ILCE-A7C has 35mm sensor and 25.7 has a 25.7 MP and Sony Alpha ILCE-A7C has a 24.2 MP resolution.

  Pentax K-3 III Sony Alpha ILCE-A7C
  Pentax K-3 III Front Sony Alpha ILCE-A7C Front
Sensor and Camera Features
Brand Ricoh Sony
Megapixels 25.7 24.2
Sensor Type CMOS CMOS
Sensor Format APS-C 35mm
SLR Type Dslr Mirrorless
Crop Factor 1.5x 1.0x
AA Filter Optional Fixed
Image Resolution 6192 x 4128 (25.6 MP, 3:2) 6000 x 4000 (24.0 MP, 3:2)
Body Image Stabilization Yes Yes
Native ISO Min 100 - Max 160000 Min 100 - Max 51200
Full ISO Settings Auto, 100-160000 (1, 1/2 or 1/3 EV steps) Auto (ISO 100-12800, selectable lower limit and upper limit), 100 - 51200, expandable to 50 - 204800
Startup Time
AF System and Shooting
Auto Focus Type SAFOX 13 TTL phase-matching - 101 point (25 cross type focus points in the center) Fast Hybrid AF (Phase-detect + Contrast-detect AF): 693 phase-detection AF points covering 93% of image area, 425 contrast AF points; Wide (693 points (phase-detection AF), 425 points (contrast-detection AF)) / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot / Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot)
Continuous Shooting Speed / Burst Mode Auto, 100-160000 (1, 1/2 or 1/3 EV steps) Auto (ISO 100-12800, selectable lower limit and upper limit), 100 - 51200, expandable to 50 - 204800
Shutter Speed Range 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode Yes Yes
JPEG Buffer Size 30
AW Buffer Size
Screen/viewfinder
LCD 3.2 3.0
LCD Resolution 1,620,000 dots (540,000 px) 921,600 dots (307,200 px)
Touchscreen Yes Yes
Articulating Screen No Yes
Tilt Swivel Screen No No
Selfie Screen No No
Top Deck Display Yes No
Focus Peaking Yes Yes
Viewfinder Optical / LCD EVF / LCD
Viewfinder Type SLR type; eye-level pentaprism, ~100% coverage, 1.05x mag., 20.5mm eyepoint, -4.0 to +1.0 diopter EVF: 0.39-inch (1.00cm), 2359K-dot XGA color OLED, 100% coverage, 0.59x magnification, -4.0 to +3.0 diopter
Focus Peaking Yes Yes
Video Features
Video Resolution 3840x2160 (30p/​24p) 3840x2160 (30p/​25p/​24p)
Video File Format MPEG-4 AVC/H.264 (MOV) XAVC S: MPEG-4 AVC/H.264; Audio: LPCM Stereo
Memory Card Type SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
Dual Card Slot Yes No
SD UHS Support
Microphone Jack Yes Yes
Headphone Jack Yes Yes
Flash and Internal Connections
Built-in Flash No No
Max Flash Sync Speed 1/200 1/160
Internal connections USB 3.2 Gen1 (Type-C), Micro B,Micro (Type D) HMDI, External cable switch terminal (2.5mm), X-sync socket, 3.5mm stereo mic input, 3.5mm headphone jack USB-C (SuperSpeed USB 5Gbps, USB 3.2), Type-D Micro HDMI, Microphone and Headphone jacks
Connectivity
Built-In Wi-Fi Yes Yes
NFC No Yes
Bluetooth Yes Yes
Built-In GPS Yes No
USB Type USB 3.0 Super Speed,Bluetooth,WiFi USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi
Physical
Battery Life (CIPA) 800 shots
Battery Types Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Weight 28.9 oz (820 g) includes batteries 18.0 oz (509 g) includes batteries
Size 5.3 x 4.1 x 2.9 in. (135 x 104 x 74 mm) 4.9 x 2.8 x 2.4 in. (124 x 71 x 60 mm)
Price
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Release Date 2021-04-06 2020-11-01