Pentax K-3 III vs Sony Alpha ILCE-A7S II Comparison



Let’s compare the Pentax K-3 III vs Sony Alpha ILCE-A7S II.

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-A7S II. While Pentax K-3 III has APS-C sensor, Sony Alpha ILCE-A7S II has 35mm sensor and 25.7 has a 25.7 MP and Sony Alpha ILCE-A7S II has a 12.2 MP resolution.

  Pentax K-3 III Sony Alpha ILCE-A7S II
  Pentax K-3 III Front Sony Alpha ILCE-A7S II Front
Sensor and Camera Features
Brand Ricoh Sony
Megapixels 25.7 12.2
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) 4240 x 2832 (12.0 MP, 3:2)
Body Image Stabilization Yes Yes
Native ISO Min 100 - Max 160000 Min 100 - Max 102400
Full ISO Settings Auto, 100-160000 (1, 1/2 or 1/3 EV steps) Auto, 100 - 102,400, expandable to 50 - 409,600
Startup Time 2.9 seconds
AF System and Shooting
Auto Focus Type SAFOX 13 TTL phase-matching - 101 point (25 cross type focus points in the center) 169-point contrast-detect AF: Wide (169 points), Center, Flexible Spot (S/M/L), Zone, Expand Flexible Spot, Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L) / Expand Flexible Spot)
Continuous Shooting Speed / Burst Mode Auto, 100-160000 (1, 1/2 or 1/3 EV steps) Auto, 100 - 102,400, expandable to 50 - 409,600
Shutter Speed Range 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode Yes Yes
JPEG Buffer Size 30 63
AW Buffer Size 28
Screen/viewfinder
LCD 3.2 3.0
LCD Resolution 1,620,000 dots (540,000 px) 1,228,800 dots (307,200 px)
Touchscreen Yes No
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: 0.51-inch 2.4M-dot XGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0 diopter, 23mm eyepoint from the eyepiece lens, 18.5 mm from the eyepiece frame at -1m-1 (CIPA standard)
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, AVCHD 2.0, MP4 with stereo sound
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 1/250
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 Micro HDMI (Type-D), Multi Micro USB connector, Stereo microphone jack (3.5mm), Stereo headphone jack (3.5mm)
Connectivity
Built-In Wi-Fi Yes Yes
NFC No Yes
Bluetooth Yes No
Built-In GPS Yes No
USB Type USB 3.0 Super Speed,Bluetooth,WiFi USB 2.0 High Speed,WiFi
Physical
Battery Life (CIPA) 800 shots 310 shots
Battery Types Lithium-ion rechargeable Lithium-ion rechargeable
Weight 28.9 oz (820 g) includes batteries 22.1 oz (627 g) includes batteries
Size 5.3 x 4.1 x 2.9 in. (135 x 104 x 74 mm) 5.0 x 3.8 x 2.4 in. (127 x 96 x 60 mm)
Price
Price Check Prices from Amazon Buy from Amazon for $2,198.00
Release Date 2021-04-06 2015-10-15