Pentax K-3 Mark III Monochrome vs Pentax K-m

General	Pentax K-3 Mark III Monochrome	Pentax K-m
Brand	Pentax	Pentax
Model	K-3 Mark III Monochrome	K-m
Predecessor Model		Pentax K110D
Successor Model		Pentax K-x
MSRP	$2199 (body only)
Camera Type	Interchangeable Lens	Interchangeable Lens
Body Type	DSLR	DSLR
Video Capture

Sensor	Pentax K-3 Mark III Monochrome	Pentax K-m
Sensor Type	CMOS	CCD
Sensor Size	APS-C	APS-C
Sensor Dimensions	23.3 x 15.5 mm	23.5 x 15.7 mm
Total Pixels	26.78 Megapixel	11 Megapixel
Effective Pixels	25.73 Megapixel	10.0 Megapixel
Low Pass Filter
Native ISO Range	200 - 1,600,000	100 - 3,200
Sensor Shift High Resolution Mode

Photo	Pentax K-3 Mark III Monochrome	Pentax K-m
Processor	PRIME V
Max Image Resolution	6192 x 4128	3872 x 2592
Other Resolutions		3008 x 2000, 1824 x 1216
Image Aspect Ratios	3:2	3:2
Image File Format	DNG, JPEG, RAW
JPEG Quality Levels	Best, better, good	Best, Better, Good
Bit Depth	14-Bit
Color Space	sRGB, Adobe RGB
Timelapse Recording
White Balance	Presets: Auto, CTE, Cloudy, Color Temperature, Daylight, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Manual, Multi Auto WB, Shade, Tungsten

Focus	Pentax K-3 Mark III Monochrome	Pentax K-m
Autofocus Modes	Multi-area Center Selective single-point Tracking Single Continuous Touch Face Detection Live View	Multi-area Selective single-point Single Continuous
Lens Servo	Continuous-Servo AF, Manual Focus, Single-Servo AF
AF Detection Range	-3 to +19 EV
Number of Focus Points	101	5
Number of Cross-type Focus Points	25
Touch-to-Focus
Live View Autofocus
Animal Eye Detection
Vehicle Tracking Mode
Insect Tracking Mode
Contrast Detection for Autofocus
Phase Detection for Autofocus
Focusing Screen	Natural-Bright-Matte III focusing screen

Optics	Pentax K-3 Mark III Monochrome	Pentax K-m
Lens Mount	Pentax KAF2	Pentax KAF2
Crop Factor	1.5x	1.5x
Image Stabilization	Sensor Shift	Sensor Shift
Image Stabilization Compensation	5.5 stops
Digital Image Stabilization

Screen	Pentax K-3 Mark III Monochrome	Pentax K-m
Screen Type	Fixed	Fixed
Screen Technology	TFT LCD
Touch Screen
Screen Size	3.2"	2.7"
Screen Resolution	1,620k dot	230k dot
Top LCD Screen
Live View
Live Composition

Viewfinder	Pentax K-3 Mark III Monochrome	Pentax K-m
Viewfinder	Optical (pentaprism)	Optical (pentamirror)
Viewfinder Coverage	100%	96%
Viewfinder Magnification	1.05x	0.85x
Viewfinder Magnification (35mm equivalent)	0.70x	0.57x
Viewfinder Eyepoint	20.5 mm
Diopter Adjustment	-4 to +1

Shutter	Pentax K-3 Mark III Monochrome	Pentax K-m
Shutter Type	Electronic
Min Shutter Speed	30 sec	30 sec
Max Shutter Speed (Mechanical or 1st Curtain)	1/8000 sec	1/4000 sec
Max Shutter Speed (Electronic)	1/16000 sec
Max Continuous Shooting	12.0 fps	3.5 fps
Continuous Shooting Resolution/fps/buffer	Mechanical Shutter Up to 12 fps at 25.7 MP for up to 55 Frames (JPEG) / 32 Frames (Raw) Mechanical Shutter Up to 7 fps at 25.7 MP for up to 100 Frames (JPEG) / 40 Frames (Raw) Mechanical Shutter Up to 2.5 fps at 25.7 MP for up to 100 Frames (JPEG) / 100 Frames (Raw)

Flash	Pentax K-3 Mark III Monochrome	Pentax K-m
Built-in Flash
Flash Modes	Auto Auto + Red-eye Reduction Flash On Flash On + Red-eye Reduction Slow- speed Sync Slow-speed Sync + Red-eye P-TTL Contrast-control-sync High-speed sync Wireless sync	Auto Flash On Red-Eye Wireless Sync
Flash Range		11.00 m at ISO 100
Max Flash Sync Speed	1/200 sec	1/180 sec
Flash Compensation	-2 to +1 EV
External Flash Connectivity
External Flash System	P-TTL
External Flash Connection	Hot Shoe, PC Terminal

Exposure	Pentax K-3 Mark III Monochrome	Pentax K-m
Exposure Metering Modes	Multi Center-weighted Highlight-weighted Spot	Multi Center-weighted Spot
Exposure Modes	Aperture Priority, Auto, Manual, Program, Sensitivity Priority, Shutter Priority
Metering Range	-2 to +21 EV
Exposure Compensation	±5 EV (1/3 EV, 1/2 EV increments)	±2 EV (1/3 EV, 1/2 EV increments)
Exposure Bracketing	±5 EV (2, 3, 5 shots at 1/3 EV, 1/2 EV increments)	±1.5 (at 1/3 EV, 1/2 EV increments)
Exposure Lock	Button type (timer type: two times the meter operating time set in Custom Setting); Continuous as long as the shutter button is halfway pressed

DXO	Pentax K-3 Mark III Monochrome	Pentax K-m
DxO Low Light ISO		513
DxO Color Depth		22.4
DxO Dynamic Range		11.4
DxO Overall Score		64

Video	Pentax K-3 Mark III Monochrome	Pentax K-m
Internal Recording Modes	H.264/MOV 4K UHD: 3840 x 2160 @ 24/30.00 fps Full HD: 1920 x 1080p @ 24/30.00/60.00 fps
Interval Recording
Video Formats	MPEG-4, H.264
Max Video Resolution	3840 x 2160
Unlimited Video Recording
Recording Limit	25 min

Terminals	Pentax K-3 Mark III Monochrome	Pentax K-m
Audio I/O	1 x 1/8" / 3.5 mm TRS Stereo Headphone Output 1 x 1/8" / 3.5 mm TRS Stereo Microphone Input
Power I/O	1 x USB-C Input/Output
Other I/O	1 x USB-C (USB 3.2 / 3.1 Gen 1) Data Input/Output (Shared with Power Input) 1 x 2.5 mm Sub-Mini Control Input 1 x PC Sync Socket Output
USB Speed	USB 3.2 Gen 1x1 (5 GBit/sec)	USB 2.0 (480 Mbit/sec)
HDMI Output	Micro
Speaker	Mono
Built-in Microphone	Stereo
Microphone Input
Headphone Output
Flash Sync Port

Connectivity	Pentax K-3 Mark III Monochrome	Pentax K-m
Built-in GPS
Built-In Wi-Fi
Wi-Fi Version	802.11b/g/n, 2.4 GHz
Built-In Bluetooth
Mobile App Compatible	*As of April, 2023: Check with manufacturer for the most up-to-date compatibility
Remote Control	via wireless	Wireless (Optional)

Environmental	Pentax K-3 Mark III Monochrome	Pentax K-m
Environmental Sealing
Operating Temperature	22 to 72°F / -10 to 40°C
Operating Humidity	0 to 85%

Physical	Pentax K-3 Mark III Monochrome	Pentax K-m
Dimensions	135 x 104 x 74 mm (5.31 x 4.09 x 2.91")	123 x 92 x 68 mm (4.84 x 3.62 x 2.68")
Weight (inc. batteries)	820 g (1.81 lb / 28.92 oz)	590 g (1.30 lb / 20.81 oz)
Box Dimensions (LxWxH)	8.3 x 6.9 x 5.1"
Package Weight	3.045 lb

Power and Storage	Pentax K-3 Mark III Monochrome	Pentax K-m
Battery Pack	D-LI90	4 x AA
Battery Life	800 shots	1800 shots
USB Charging
Internal Storage
External Storage	Slot 1: SD/SDHC/SDXC (UHS-II) Slot 2: SD/SDHC/SDXC (UHS-I)	Single Slot: SD/SDHC

Other	Pentax K-3 Mark III Monochrome	Pentax K-m
Self Timer		2 or 12 sec
Orientation Sensor
Tripod Mounting Thread	1 x 1/4"-20 Female (Bottom)
Accessory Mount	1 x Hot Shoe Mount
Material of Construction	Magnesium Alloy
Electronic Level Gauge

For a full review please go to the review page: