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Canon EOS 250D vs PENTAX K-3 Mark III Monochrome

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

CanonEOS 250DPENTAXK-3 Mark III Monochrome
Overview
ReleasedApril 2019April 2023
Image and sensor
Camera typeDSLRDSLR
Sensor formatAPS-CAPS-C
Sensor typeCMOSMonochrome CMOS without colour or optical low-pass filters
Sensor dimensions22.3 × 14.9 mm23.3 × 15.5 mm
Effective resolution24.1 MP25.73 MP
Largest image6000 × 40006192 × 4128
RAW recordingYesYes
Standard ISO range100–25600200–1600000
Sensor detailApproximately 24.1 million effective and 25.8 million total pixels; 22.3 × 14.9 mm CMOS with fixed low-pass filter, automatic cleaning and Dust Delete Data25.73 effective and 26.78 total megapixels; monochrome CMOS records brightness at each pixel without a colour filter array or demosaicing
Image formats14-bit RAW and C-RAW; JPEG Fine or Normal; simultaneous RAW plus JPEG14-bit PEF or DNG RAW, JPEG and simultaneous RAW/JPEG; monochrome-only Standard, Hard and Soft image profiles
ISO detailStandard still-photo ISO 100–25600, expandable to ISO 51200; movie ISO up to 12800 normally, expandable to 25600, with 4K limited to 6400Maker standard range ISO 200–1600000; no separate expanded range stated
Image processorDIGIC 8–
Lens and shooting
Lens mountCanon EF / EF-SPENTAX KAF2 bayonet mount
StabilisationOptical lens stabilisationSensor shift
Maximum continuous burst5 fps12 fps
Lens detailCanon EF and EF-S lenses, excluding EF-M; 35 mm equivalent angle of view corresponds to approximately 1.6× the attached lens focal lengthKAF4, KAF3, KAF2 including power zoom, KAF and KA lens compatibility; native KAF2 bayonet includes autofocus coupler, information and power contacts
AutofocusNine optical-viewfinder AF points with cross-type centre; live-view Dual Pixel CMOS AF with up to 143 automatic points or 3975 manually selected positions and eye detection; available points/coverage depend on lens and aspect ratio; 4K movies use contrast detectionSAFOX 13 through-viewfinder phase detection, 101 points including 25 cross-type; EV −3 to 19 at ISO 200, with −3 limited to f/2.8-flux-compatible points and lens. Contrast-detection live view with face detection, touch AF and focus peaking
ShutterElectronically controlled focal-plane shutter, 30–1/4000 second plus BulbMechanical focal-plane shutter 1/8000–30 seconds and Bulb; electronic shutter up to 1/16000 second; timed Bulb 1 second–20 minutes
Burst detailUp to 5 fps; maker manual claims approximately 10 RAW or 37 C-RAW frames with a specified 32 GB UHS-I card, depending on settings and shooting conditionsUp to 12 fps with approximately 55 JPEGs, 32 RAW or 30 RAW/JPEG pairs at ISO 200; speed and buffer depend on lens, aperture, shutter, sensitivity and card. AP measured lower speeds with a pre-production sample
Stabilisation detailOptical image stabilisation depends on compatible attached lensesFive-axis sensor-shift SR II with Auto, Panning and Off modes; anti-aliasing simulator and horizon/composition adjustment. Astrotracer Types 1/2 require an optional O-GPS unit; Type 3 also listed by maker
FlashBuilt-in retractable flash, maker guide number 9.8 m at ISO 100 and approximately 3-second recharge; E-TTL II external EL/EX Speedlite support; sync 1/200 second, with no conventional X-contact in the hotshoe and no PC terminalExternal flash hot shoe and X-sync socket, 1/200-second sync
Exposure controlsAutomatic, scene, filter and P/Tv/Av/M modes; 63-zone viewfinder and 384-zone live-view metering; up to ±5 EV compensation, limited to ±3 EV with guided shooting displayPASM, sensitivity priority, combined shutter/aperture priority and five saved user modes; ±5 EV compensation; 307,000-pixel RGBIr metering sensor
Video
Highest video resolution3840 × 2160 at 25 fps3840 × 2160 at 30 fps
Video detailUHD 3840×2160 at 25/23.98 fps, Full HD 1920×1080 up to 59.94 fps; MP4 H.264 with AAC; normal clip limit 29 minutes 59 seconds; 4K uses contrast AF, and Photography Blog reports a substantial additional cropMonochrome H.264 MOV; UHD 3840×2160 at 30/24p, Full HD 1920×1080 at 60/30/24p. Maker limit 25 minutes or 4 GB, with temperature-dependent shutdown. No 120p mode inferred from the AP table
AudioBuilt-in stereo microphones and external 3.5 mm stereo microphone input; adjustable levels, wind filter and attenuatorBuilt-in stereo microphone; external stereo microphone input, headphone terminal, recording-level adjustment and wind-noise reduction
Screen and viewfinder
ViewfinderOpticalOptical
Screen size3″3.2″
Screen dots1,040,0001,620,000
TouchscreenYesYes
Tilting screenYesNo
Display detailVari-angle 3-inch Clear View II capacitive touchscreen with approximately 1.04 million dots and 100% coverageFixed 3.2-inch capacitive touchscreen, approximately 1.62 million dots; outdoor-view adjustment and night-vision display
Viewfinder detailOptical pentamirror, approximately 95% coverage and 0.87× magnification with 50 mm lens at infinityOptical pentaprism, approximately 100% coverage and 1.05× magnification with FA 50mm F1.4 at infinity; 20.5 mm eye relief from view window. AP's approximately 0.7× figure is equivalent magnification
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)1070 photographs800 photographs
Body weight402 g735 g
Release detailCanon Camera Museum records first marketing in April 2019 and identifies regional names EOS 250D/200D II, EOS Rebel SL3 and EOS Kiss X10Maker Japan notice confirms 28 April 2023 local sale; earliest worldwide and UK day unconfirmed, so month precision retained. Later Ricoh notice announces ending current K-series production; surviving range pages do not prove ongoing production
Recording mediaSingle SD, SDHC or SDXC slot with UHS-I support; maker recommends UHS Speed Class 3 or better for 4KTwo SD/SDHC/SDXC slots; slot 1 supports UHS-II, slot 2 UHS-I. Sequential, duplicate or separate RAW/JPEG recording
PortsMicro-B USB 2.0, mini HDMI Type C, 3.5 mm external microphone and E3 remote terminalUSB-C USB 3.2 Gen 1, Type D micro-HDMI, microphone and headphone terminals, 2.5 mm cable-switch terminal and X-sync socket
Wireless connectionsWi-Fi 802.11b/g/n at 2.4 GHz and Bluetooth Low Energy 4.1IEEE 802.11b/g/n Wi-Fi at 2.4 GHz and Bluetooth 4.2 Low Energy
Battery life detailLP-E17; maker approximately 1070 viewfinder or 320 live-view photographs at 23°C, with 50% AE/50% flash exposure test mix; approximately 1020/300 respectively at 0°CD-LI90 lithium-ion battery; approximately 800 shots CIPA or 250 minutes playback
ChargingLC-E17E external battery chargerUSB-C in-camera charging; USB power adapter supplied, optional AC adapter required for the maker's external power-supply arrangement
DimensionsApproximately 122.4×92.6×69.8 mm (width×height×depth)Approximately 134.5 × 103.5 × 73.5 mm, excluding protrusions
Weight detailMaker manual body-only 402 g black/silver or 404 g white; 449 g black/silver or 451 g white including battery/card. UK page labels this section body-only but explicitly qualifies its 449/451 g figures as including battery/card; manual distinction usedApproximately 735 g body only; 820 g with battery and SD card
MaterialsAluminium-alloy and glass-fibre polycarbonate chassis; exterior glass-fibre and conductive-fibre polycarbonateDust and weather resistant magnesium-alloy construction described in Amateur Photographer's pre-production test; maker operating temperature −10 to 40°C
Colours–Black with grey markings and silver SR badge; Matte Black Edition is a cosmetic finish, not another generation
In the box–D-LI90 battery, USB power adapter and plug, I-USB166 cable, strap, eyecup, viewfinder/body/hot-shoe/connector covers and strap rings; Digital Camera Utility 5 installer in camera, regional contents may vary

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