| General | Pentax K-3 Mark III Monochrome | Pentax K100D |
|---|---|---|
| Brand | Pentax | Pentax |
| Model | K-3 Mark III Monochrome | K100D |
| Successor Model | Pentax K100D Super | |
| MSRP | $2199 (body only) | |
| Camera Type | Interchangeable Lens | Interchangeable Lens |
| Body Type | DSLR | DSLR |
| Video Capture |
| Sensor | Pentax K-3 Mark III Monochrome | Pentax K100D |
|---|---|---|
| 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 | 6 Megapixel |
| Effective Pixels | 25.73 Megapixel | 6.1 Megapixel |
| Low Pass Filter | ||
| Native ISO Range | 200 - 1,600,000 | 200 - 3,200 |
| Sensor Shift High Resolution Mode |
| Photo | Pentax K-3 Mark III Monochrome | Pentax K100D |
|---|---|---|
| Processor | PRIME V | |
| Max Image Resolution | 6192 x 4128 | 3008 x 2008 |
| Other Resolutions | 2400 x 1600, 1536 x 1024 | |
| Image Aspect Ratios | 3:2 | 3:2 |
| Image File Format | DNG, JPEG, RAW | JPEG, RAW |
| JPEG Quality Levels | Best, better, good | Normal, Fine, Superfine |
| 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 | TTL Auto, Preset (Auto, Daylight, Shade, Cloudy, Tungsten light, Fluorescent light, Flash), Custom white balance, Manual |
| Focus | Pentax K-3 Mark III Monochrome | Pentax K100D |
|---|---|---|
| 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-Single (with focus lock), AF-Continuous, Manual |
| AF Detection Range | -3 to +19 EV | |
| Number of Focus Points | 101 | 11 |
| 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 K100D |
|---|---|---|
| Lens Mount | Pentax KAF2 | Pentax KAF |
| 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 K100D |
|---|---|---|
| Screen Type | Fixed | Fixed |
| Screen Technology | TFT LCD | |
| Touch Screen | ||
| Screen Size | 3.2" | 2.5" |
| Screen Resolution | 1,620k dot | 210k dot |
| Top LCD Screen | ||
| Live View | ||
| Live Composition |
| Viewfinder | Pentax K-3 Mark III Monochrome | Pentax K100D |
|---|---|---|
| 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 K100D |
|---|---|---|
| Shutter Type | Electronic | Electronically controlled Vertical Run Focal Plane |
| 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 | 2.8 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 K100D |
|---|---|---|
| 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 On Off Red-eye reduction |
| 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 | Hot Shoe |
| Exposure | Pentax K-3 Mark III Monochrome | Pentax K100D |
|---|---|---|
| Exposure Metering Modes | Multi Center-weighted Highlight-weighted Spot | |
| Exposure Modes | Aperture Priority, Auto, Manual, Program, Sensitivity Priority, Shutter Priority | Program AE, Auto Picture Mode, Picture Mode, Scene Mode, Shutter Priority, Aperture Priority, Manual, Bulb, Auto Exposure Lock |
| 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) | ±1.5EV (1/2 steps) or ±1EV (1/3 steps) up to 3 frames |
| 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 |
| Video | Pentax K-3 Mark III Monochrome | Pentax K100D |
|---|---|---|
| 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 | No |
| 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 K100D |
|---|---|---|
| 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 K100D |
|---|---|---|
| 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 | Wired (optional) |
| Environmental | Pentax K-3 Mark III Monochrome | Pentax K100D |
|---|---|---|
| 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 K100D |
|---|---|---|
| Dimensions | 135 x 104 x 74 mm (5.31 x 4.09 x 2.91") | 129 x 93 x 70 mm (5.08 x 3.66 x 2.76") |
| Weight (inc. batteries) | 820 g (1.81 lb / 28.92 oz) | 660 g (1.46 lb / 23.28 oz) |
| Box Dimensions (LxWxH) | 8.3 x 6.9 x 5.1" | |
| Package Weight | 3.045 lb | 3 lb |
| Power and Storage | Pentax K-3 Mark III Monochrome | Pentax K100D |
|---|---|---|
| Battery Pack | D-LI90 | 4 x AA |
| Battery Life | 800 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 K100D |
|---|---|---|
| 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: