Pentax K-3 III vs Olympus OM-D E-M1 Mark III Comparison



Let’s compare the Pentax K-3 III vs Olympus OM-D E-M1 Mark III.

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 Olympus OM-D E-M1 Mark III. While Pentax K-3 III has APS-C sensor, Olympus OM-D E-M1 Mark III has 4/3 sensor and 25.7 has a 25.7 MP and Olympus OM-D E-M1 Mark III has a 20.4 MP resolution.

  Pentax K-3 III Olympus OM-D E-M1 Mark III
  Pentax K-3 III Front Olympus OM-D E-M1 Mark III Front
Sensor and Camera Features
Brand Ricoh Olympus
Megapixels 25.7 20.4
Sensor Type CMOS Live MOS
Sensor Format APS-C 4/3
SLR Type Dslr Mirrorless
Crop Factor 1.5x 2.0x
AA Filter Optional None
Image Resolution 6192 x 4128 (25.6 MP, 3:2) 5184 x 3888 (20.2 MP, 4:3)
Body Image Stabilization Yes Yes
Native ISO Min 100 - Max 160000 Min 200 - Max 25600
Full ISO Settings Auto, 100-160000 (1, 1/2 or 1/3 EV steps) AUTO ISO: LOW (approx. 64) - 6400 with customizable upper limit (200 - 6400); Manual ISO: Low (approx. 64, approx. 100) - 25600, 1/3 or 1 EV steps selectable
Startup Time
AF System and Shooting
Auto Focus Type SAFOX 13 TTL phase-matching - 101 point (25 cross type focus points in the center) Advanced Dual FAST AF: Hybrid Phase-detect/Contrast-detect AF, 121 AF points, all cross-type; All target, group target (9-area or 5- area), single target, small target
Continuous Shooting Speed / Burst Mode Auto, 100-160000 (1, 1/2 or 1/3 EV steps) AUTO ISO: LOW (approx. 64) - 6400 with customizable upper limit (200 - 6400); Manual ISO: Low (approx. 64, approx. 100) - 25600, 1/3 or 1 EV steps selectable
Shutter Speed Range 1/8000 - 30 sec 1/32000 - 60 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) 1,037,000 dots (345,667 px)
Touchscreen Yes Yes
Articulating Screen No Yes
Tilt Swivel Screen No Yes
Selfie Screen No Yes
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; High-speed (120fps) low latency (6ms) 2.36M-dot LCD, 1.30x - 1.48x magnification, 100% coverage, 21mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking Yes Yes
Video Features
Video Resolution 3840x2160 (30p/​24p) 4096x2160 (24p)
Video File Format MPEG-4 AVC/H.264 (MOV) MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG)
Memory Card Type SD / SDHC / SDXC SD / SDHC / SDXC
Dual Card Slot Yes Yes
SD UHS Support Slot 1: UHS-II, Slot 2: UHS-I
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), USB 3.0 Type C with Power Delivery, 3.5mm external mic jack, 3.5mm external headphone jack, 2.5mm wired remote jack
Connectivity
Built-In Wi-Fi Yes Yes
NFC No No
Bluetooth Yes No
Built-In GPS Yes No
USB Type USB 3.0 Super Speed,Bluetooth,WiFi USB 3.0 Super Speed,WiFi
Physical
Battery Life (CIPA) 800 shots
Battery Types Lithium-ion rechargeable 1720mAh Lithium-ion rechargeable
Weight 28.9 oz (820 g) includes batteries 20.5 oz (580 g) includes batteries
Size 5.3 x 4.1 x 2.9 in. (135 x 104 x 74 mm) 5.3 x 3.6 x 2.7 in. (134 x 91 x 69 mm)
Price
Price Check Prices from Amazon Check Prices from Amazon
Release Date 2021-04-06 2020-02-24