| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.1 MP | 18 MP |
| Sensor Type | CMOS | CMOS |
| Display Type | TFT LCD | - |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | - | Yes |
| general |
| Brand | Ricoh | Canon |
| Model | Pentax K-S1 20.1MP DSLR Camera | EOS 100D 18MP DSLR Camera |
| Model Name | Pentax K-S1 | EOS 100D |
| Series | Pentax | - |
| Color | Black | Black |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.1 MP | 18 MP |
| Dimensions(WxHxD) | 121 x 93 x 70 mm | 6.9 x 11.7 x 9.4 cm |
| Weight | 558 GM | - |
| Temperature | 0 to 40 | 0 to 40 |
| SLR Variant | - | Body With 18-55 Mm Lens |
| Tripod Socket | - | Yes |
| Face Detection | - | Yes |
| Lens Attachment | - | Body+18-55mm |
| sensor features |
| Sensor Type | CMOS | CMOS |
| Sensor Size | 23.5 x 15.6 mm | - |
| Maximum ISO | - | 12800 ISO |
| Maximum FPS | - | 4 |
| Sensor Technology | - | CMOS |
| lens features |
| Lens Type | Pentax KAF2 | - |
| Focal Length | 18 - 55 mm / 50 - 200 mm | - |
| Aperture Range | F3.5 (W) - F5.6 (T) / F4.0 (W) - F5.6 (T) | - |
| Manual Focus | Yes | Yes |
| Color Filter | Primary RGB Color Filter | Primary RGB Color Filter |
| Dust Reduction | - | Yes |
| 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) | - |
| View Finder | - | Yes |
| focus features |
| Auto Focus | Yes | 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, Preset Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom |
| 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 | Yes |
| Continuous Shots | Hi 5.4 fps, Lo 3.0 fps | Yes, 4 fps |
| flash features |
| Built-in Flash | Yes | Yes |
| External Flash | Yes | Yes |
| Flash Modes | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual | Auto, Manual Flash, On / Off, Red-eye |
| image features |
| Image Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, DCF 2.0, RAW JPEG, DPOF 1.1, EXIF 2.3 |
| Maximum Resolution | 5472 x 3648 | - |
| Image Stabilizer | Yes | - |
| Picture Angle | 28 mm Ultra Wide-angle | - |
| Aspect Ratio | - | 32, 43, 169, 11 |
| Red Eye Reduction | - | Yes |
| Image Sizing | - | 5184 x 3456 L |
| display features |
| Display Type | TFT LCD | - |
| Display Size | 3 inch | 3 inch |
| Display Resolution | 921K dots | - |
| LCD Display | Fixed Articulated LCD | - |
| Touch Screen | - | Yes |
| LCD Display Image Resolution | - | 1040000 dots |
| LCD Display Video Resolution | - | 1920 x 1080 |
| connectivity features |
| HDMI | Yes | - |
| USB | Yes | - |
| Wifi | - | No |
| storage and power features |
| Upgradable Memory | Yes | Yes |
| Card Type | SD, SDHC, SDXC (UHS-1 compliant), Eye-Fi Card, FLU Card | SD / SDHC / SDXC / Compatible with UHS-I |
| Power Supply | AC adapter K-AC128 | AC Adapter Kit ACK-E15 |
| Battery Type | Lithium ion | Lithium ion |
| Battery Life | 480 | - |
| audio and video features |
| Microphone | Built-in stereo microphone | Mono |
| Speaker | Mono Speaker | - |
| Audio Features | Adjustable recording sound level | - |
| Video Format | H.264 | MOV, H.264 / MPEG-4 AVC |
| Audio Video Interface | - | Audio / Video Output NTSC, PAL |
| 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 Intelligent Auto Stills and Movie, No Flash, Creative Auto, Portrait, Landscape, Close-up, Sports, SCN Kids, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control, Program AE, Shutter Priority AE, Aperture Priority AE, Manual Stills and Movie |
| Delete Function | - | Yes |