| key specs |
| Camera Type | DSLR Camera | Digital Camera |
| Effective Pixels | 20.1 MP | 16 MP |
| Sensor Type | CMOS | CCD |
| Display Type | TFT LCD | - |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| general |
| Brand | Ricoh | Canon |
| Model | Pentax K-S1 20.1MP DSLR Camera | PowerShot SX401IS 16MP Digital Camera |
| Model Name | Pentax K-S1 | PowerShot SX401IS |
| Series | Pentax | PowerShot |
| Color | Black | Red |
| Type | DSLR Camera | Digital Camera |
| Effective Pixels | 20.1 MP | 16 MP |
| Dimensions(WxHxD) | 121 x 93 x 70 mm | 10.4 x 8 x 6.9 cm |
| Weight | 558 GM | - |
| Temperature | 0 to 40 | 0 to 40 |
| sensor features |
| Sensor Type | CMOS | CCD |
| Sensor Size | 23.5 x 15.6 mm | - |
| lens features |
| Lens Type | Pentax KAF2 | - |
| Focal Length | 18 - 55 mm / 50 - 200 mm | 4.5mm -18.0mm (25mm - 100mm) |
| Aperture Range | F3.5 (W) - F5.6 (T) / F4.0 (W) - F5.6 (T) | f/2.0 (wide-end) to f/4.9 (tele-end) |
| Manual Focus | Yes | - |
| Color Filter | Primary RGB Color Filter | - |
| Optical Zoom | - | 4x |
| viewfinder features |
| Viewfinder Coverage | 100% | - |
| Viewfinder Magnification | 0.95x | - |
| Viewpoint Dioptric Adjustment | -2.5m to +1.5m | - |
| Viewfinder Eye Point | 20.5 mm | - |
| Other Viewfinder Features | Standard focusing screen (Natural-Bright-Matte III)Depth Of Field Preview (Optical (diaphragm stop-down), digital) | - |
| focus features |
| Auto Focus | Yes | - |
| Metering Modes | Multi, Center-Weighted, Spot | - |
| White Balancing | Daylight White, W Cool White, L Warm White), Tungsten Light, Flash, CTE, Manual WB, Color | Auto WB, 7 Preset WBs, 4 Capture WBs, Custom WB (Kelvin setting) |
| Other Focus Features | Interchangeable Lens Features [Min. Aperture (F22.0 - F32.0), Number of diaphragm blades (6), Lens Optics (11 Elements & 10 Groups), Min. Focus (1.1 m), Maximum magnification (0.24x), Full Time Manual Focus, Filter Thread (49 mm), Rotary Zoom Method | - |
| shutter features |
| Shutter Speed | 1/6000 sec (Max) & 30 sec (Min) | - |
| Self-timer | Yes | - |
| Continuous Shots | Hi 5.4 fps, Lo 3.0 fps | - |
| Shutter Type | - | 1/2 to 1/2000 sec. (Night Scene, A mode up to 4 sec.) |
| flash features |
| Built-in Flash | Yes | - |
| External Flash | Yes | - |
| Flash Modes | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual | - |
| image features |
| Image Format | JPEG, RAW, RAW + JPEG | - |
| Maximum Resolution | 5472 x 3648 | - |
| Image Stabilizer | Yes | - |
| Picture Angle | 28 mm Ultra Wide-angle | - |
| Aspect Ratio | - | 1.33 (43) |
| display features |
| Display Type | TFT LCD | - |
| Display Size | 3 inch | 3 inch |
| Display Resolution | 921K dots | - |
| LCD Display | Fixed Articulated LCD | - |
| connectivity features |
| HDMI | Yes | - |
| USB | Yes | - |
| storage and power features |
| Upgradable Memory | Yes | - |
| Card Type | SD, SDHC, SDXC (UHS-1 compliant), Eye-Fi Card, FLU Card | - |
| Power Supply | AC adapter K-AC128 | - |
| Battery Type | Lithium ion | Lithium ion |
| Battery Life | 480 | - |
| audio and video features |
| Microphone | Built-in stereo microphone | - |
| Speaker | Mono Speaker | - |
| Audio Features | Adjustable recording sound level | - |
| Video Format | H.264 | - |
| modes and functions features |
| Shooting Modes | EFFECT Mode (Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance), Custom Image modes (Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing | - |
| Scene Modes | - | Portrait, e-Portrait, Landscape, Portrait +Landscape, Hand-held Starlight[*], Nightscape, Portrait + Nightscape, Children , Sport , Candlelight, Sunset, Fireworks, Beach & Snow, Panorama, Live Composite, Backlight HDR |
| exposure features |
| Exposure Compensation | - | 2 EV (1/3 EV step) |