| key specs |
| Camera Type | DSLR Camera | Digital Camera |
| Effective Pixels | 20.1 MP | 14.4 MP |
| Sensor Type | CMOS | CMOS |
| Display Type | TFT LCD | TFT LCD |
| Display Size | 3 inch | 2.7 inch |
| Battery Type | Lithium ion | Lithium ion |
| general |
| Brand | Ricoh | Fujifilm |
| Model | Pentax K-S1 20.1MP DSLR Camera | FinePix X P50 14.4MP Digital Camera |
| Model Name | Pentax K-S1 | FinePix X P50 |
| Series | Pentax | FinePix |
| Color | Black | Blue |
| Type | DSLR Camera | Digital Camera |
| Effective Pixels | 20.1 MP | 14.4 MP |
| Dimensions(WxHxD) | 121 x 93 x 70 mm | 99 x 67.8 x 25.6 mm |
| Weight | 558 GM | 175 GM |
| Temperature | 0 to 40 | 0 to 40 |
| Model Number | - | X P50 |
| Face Detection | - | Yes |
| sensor features |
| Sensor Type | CMOS | CMOS |
| Sensor Size | 23.5 x 15.6 mm | 1/2.3 inch |
| Maximum ISO | - | 3200 ISO |
| lens features |
| Lens Type | Pentax KAF2 | Fujinon 5x optical zoom lens |
| Focal Length | 18 - 55 mm / 50 - 200 mm | f=5.0mm - 25.0mm, equivalent to 28 - 140mm on a 35mm camera |
| Aperture Range | F3.5 (W) - F5.6 (T) / F4.0 (W) - F5.6 (T) | F3.9 Wide - F4.9 Telephoto |
| Manual Focus | Yes | - |
| Color Filter | Primary RGB Color Filter | Primary color filter |
| Lens Construction | - | 11 groups 13 lenses |
| Digital Zoom | - | 6.8x |
| Optical Zoom | - | 5x |
| viewfinder features |
| Viewfinder Coverage | 100% | 97% |
| 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 | - |
| Metering Modes | Multi, Center-Weighted, Spot | Center / Tracking |
| White Balancing | Daylight White, W Cool White, L Warm White), Tungsten Light, Flash, CTE, Manual WB, Color | Fine, Shade, Fluorescent light Daylight, Fluorescent light Warm White, Fluorescent light Cool White, Incandescent light |
| 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 | - |
| Focus Mode | - | Single AF / Continuous AF SR AUTO |
| Focus Range | - | Wide Approx. 60cm to infinity/2.0 ft to infinity Telephoto Approx. 1.0m to infinity/3.3 ft to infinity |
| shutter features |
| Shutter Speed | 1/6000 sec (Max) & 30 sec (Min) | Auto mode 1/4sec. to 1/2000sec., All other modes 4sec. to 1/2000sec. |
| Self-timer | Yes | Yes |
| Continuous Shots | Hi 5.4 fps, Lo 3.0 fps | TOP L TOP max 12 frames 3 frames/sec. M TOP max 12 frames 5 frames/sec. H TOP max 12 frames 10 frames/sec. LAST L LAST max 12 frames 3 frames/sec. M LAST max 12 frames 5 frames/sec. H LAST max 12 frames 10 frames/sec. |
| 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, Forced Flash, Suppressed Flash, Slow Synchro. |
| image features |
| Image Format | JPEG, RAW, RAW + JPEG | JPEG Exif Ver 2.3 |
| Maximum Resolution | 5472 x 3648 | - |
| Image Stabilizer | Yes | - |
| Picture Angle | 28 mm Ultra Wide-angle | - |
| Still Image Size | - | L 43 4320 x 3240 32 4320 x 3072 169 4320 x 2432 M 43 3072 x 2304 169 3072 x 1728 S 43 2048 x 1536 169 1920 x 1080 |
| display features |
| Display Type | TFT LCD | TFT LCD |
| Display Size | 3 inch | 2.7 inch |
| Display Resolution | 921K dots | 230,000 dots |
| LCD Display | Fixed Articulated LCD | TFT Color LCD |
| LCD Display Image Resolution | - | 230000 dots |
| connectivity features |
| HDMI | Yes | Yes |
| USB | Yes | Yes |
| storage and power features |
| Upgradable Memory | Yes | Yes |
| Card Type | SD, SDHC, SDXC (UHS-1 compliant), Eye-Fi Card, FLU Card | SD / SDHC / SDXC memory card |
| Power Supply | AC adapter K-AC128 | - |
| Battery Type | Lithium ion | Lithium ion |
| Battery Life | 480 | - |
| Inbuilt Memory | - | 95 MB |
| audio and video features |
| Microphone | Built-in stereo microphone | - |
| Speaker | Mono Speaker | - |
| Audio Features | Adjustable recording sound level | monaural sound |
| Video Format | H.264 | H.264MOV |
| Video Resolution | - | 1920 x 1080 pixels / 1280 x 720 pixels / 640 x 480 pixels |
| Frame Rates in Video Modes | - | 30fps |
| 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 | SR AUTO, AUTO, P, Pro low-light, Dynamic range, Natural Light & with Flash, Natural Light, Portrait, Portrait enhancer, Landscape, Sport, Night, Night Tripod, Sunset, Snow, Beach, Under water, Under water Wide, Under water Macro, Party, Flower, Text, Motion panorama360 |
| HD Support | - | Yes |
| Macro Mode | - | Wide Approx. 9cm - 80cm / 3.5 in. - 2.6ft. Telephoto Approx. 40cm - 80cm/1.3 ft to 2.6ft. |
| exposure features |
| Exposure Mode | - | Programmed AE |
| AE Lock/Exposure Lock | - | Yes |
| Exposure Compensation | - | -2.0EV - +2.0EV 1/3EV step |