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- Sony Alpha a7 24.3MP Digital Camera vs Ricoh Pentax K S1 20.1MP DSLR Camera
Sony Alpha a7 24.3MP Digital Camera vs Ricoh Pentax K-S1 20.1MP DSLR Camera comparison
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| key specs | ||||
| Camera Type | Digital Camera | DSLR Camera | ||
| Effective Pixels | 24.3 MP | 20.1 MP | ||
| Sensor Type | CMOS | CMOS | ||
| Display Type | TFT | TFT LCD | ||
| Display Size | 3 inch | 3 inch | ||
| Battery Type | AAA Battery | Lithium ion | ||
| general | ||||
| Brand | Sony | Ricoh | ||
| Model | Alpha a7 24.3MP Digital Camera | Pentax K-S1 20.1MP DSLR Camera | ||
| Model Name | Alpha A7 | Pentax K-S1 | ||
| Color | Black | Black | ||
| Type | Digital Camera | DSLR Camera | ||
| Effective Pixels | 24.3 MP | 20.1 MP | ||
| Dimensions(WxHxD) | 126.9 x 94.4 x 54.8 mm | 121 x 93 x 70 mm | ||
| Weight | 474 GM | 558 GM | ||
| Face Detection | Yes | - | ||
| Temperature | 0 to 40 | 0 to 40 | ||
| Series | - | Pentax | ||
| sensor features | ||||
| Sensor Type | CMOS | CMOS | ||
| Sensor Size | 35.8 x 23.9 mm | 23.5 x 15.6 mm | ||
| Maximum ISO | 25600 ISO | - | ||
| Sensor Technology | Exmor CMOS sensor | - | ||
| lens features | ||||
| Lens Mount | E-mount | - | ||
| Compatible Lens | Sony E-mount lenses | - | ||
| Dust Reduction | Yes | - | ||
| 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 | ||
| Color Filter | - | Primary RGB Color Filter | ||
| viewfinder features | ||||
| View Finder | Yes | - | ||
| View Finder Type | XGA OLED, 1.3 cm 0.5 type electronic viewfinder colour | - | ||
| Viewfinder Coverage | 100% | 100% | ||
| Viewfinder Magnification | Approx. 0.71 x with 50 mm lens at infinity, -1 m-1 | 0.95x | ||
| Viewpoint Dioptric Adjustment | -4.0 to +3.0 m -1 | -2.5m to +1.5m | ||
| Viewfinder Eye Point | 27 mm | 20.5 mm | ||
| Other Viewfinder Features | - | Standard focusing screen (Natural-Bright-Matte III)Depth Of Field Preview (Optical (diaphragm stop-down), digital) | ||
| focus features | ||||
| Focus Mode | Fast Hybrid AFphase-detection AF/contrast-detection AF | - | ||
| Focus Range | EV 0 to EV 20 ISO100 equivalent with F2.8 lens attached | - | ||
| Auto Focus | Yes | Yes | ||
| Focus Points | 35 mm full frame 117 points phase-detection AF, APS-C 99 points phase-detection AF / 25 points conotrast-detection AF | - | ||
| Metering Modes | Multi-segment, Center-weighted, Spot | Multi, Center-Weighted, Spot | ||
| White Balancing | Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent Warm White / Cool White / Day White / Daylight, Flash, Color Temperature 2500 to 9900K & Color Filter G7 to M7 15 steps, A7 to B7 15 steps, Custom / Underwater | Daylight White, W Cool White, L Warm White), Tungsten Light, Flash, CTE, Manual WB, Color | ||
| Panorama Type | Sweep Panorama | - | ||
| Other Focus Features | Lock-on AF, Eye AF, Predictive control, Focus lock, Eye-start AF and AF micro adjustment both only available with optional LA-EA2 or LA-EA4 attached, AF illuminator built-in, LED type, range approx. 0.30-3 m, AF ON | 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 | ||
| exposure features | ||||
| Exposure Mode | AUTO iAUTO, Superior Auto, Programmed AE P, Aperture priority A, Shutter-speed priority S, Manual M, Scene Selection, Sweep Panorama, Movie | - | ||
| AE Lock/Exposure Lock | Yes | - | ||
| Spot Meter | Yes | - | ||
| Exposure Compensation | +/- 5.0EV1/3 EV, 1/2 EV steps selectable with exposure compensation dial +/- 3EV 1/3 EV steps | - | ||
| shutter features | ||||
| Shutter Type | Electronically controlled, vertical-traverse, focal-plane type | - | ||
| Shutter Speed | Still images1/8000 to 30 sec, Bulb, Movies 1/8000 to 1/4 1/3 steps, NTSC up to 1/60 in AUTO mode up to 1/30 in Auto slow shutter mode, PAL up to 1/50 in AUTO mode up to 1/25 in Auto Slow Shutter mode | 1/6000 sec (Max) & 30 sec (Min) | ||
| Self-timer | Yes | Yes | ||
| Continuous Shots | 5fps in Speed Priority Continuous Shooting mode | Hi 5.4 fps, Lo 3.0 fps | ||
| flash features | ||||
| Flash Modes | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction on/off selectable, Hi-speed sync.*1, Wireless control*1 | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual | ||
| Flash Compensation | 3.0 EV switchable between 1/3 and 1/2 EV steps | - | ||
| Built-in Flash | - | Yes | ||
| External Flash | - | Yes | ||
| image features | ||||
| Image Format | JPEG DCF Ver. 2.0, Exif Ver. 2.3, MPF baseline compliant, RAW Sony ARW 2.3 format | JPEG, RAW, RAW + JPEG | ||
| Maximum Resolution | 6000 x 4000 | 5472 x 3648 | ||
| Image Stabilizer | Yes | Yes | ||
| Image Sizing | 35 mm full-frame L 6000 x 4000 24M M 3936 x 2624 10M S 3008 x 2000 6.0M, APS-C L 3936 x 2624 10M, M 3008 x 2000 6.0M, S 1968 x 1312 2.6M | - | ||
| Image Processor | BIONZ X | - | ||
| Picture Angle | - | 28 mm Ultra Wide-angle | ||
| display features | ||||
| Display Type | TFT | TFT LCD | ||
| Display Size | 3 inch | 3 inch | ||
| Display Resolution | 921,600 dots | 921K dots | ||
| LCD Display | TFT | Fixed Articulated LCD | ||
| LCD Display Image Resolution | 921600 dots | - | ||
| Other Display Features | Graphic Display, Display All Info., No Disp. Info., Histogram, Digital Level Gauge, Shooting information for viewfinder mode | - | ||
| storage and power features | ||||
| Upgradable Memory | Yes | Yes | ||
| Card Type | Memory Stick PRO Duo Memory Stick PRO-HG Duo Memory Stick XC-HG Duo SD memory card, SDHC memory card UHS-I compliant, SDXC memory card UHS-I compliant | SD, SDHC, SDXC (UHS-1 compliant), Eye-Fi Card, FLU Card | ||
| Batteries Included | Yes | - | ||
| Battery Type | AAA Battery | Lithium ion | ||
| Battery Life | Approx. 270 shots viewfinder / Approx. 340 shots LCD screen CIPA standard*11 | 480 | ||
| Power Supply | - | AC adapter K-AC128 | ||
| audio and video features | ||||
| Microphone | Built-in stereo microphone or ECM-CG50/XLR-K1M sold separately | Built-in stereo microphone | ||
| Speaker | Built-in, monaural | Mono Speaker | ||
| Audio Features | AVCHD Dolby Digital AC-3 2ch, MP4 MPEG-4 AAC-LC 2ch | Adjustable recording sound level | ||
| Video Format | AVCHD format Ver. 2.0 compliant / MP4 | H.264 | ||
| modes and functions features | ||||
| Drive Modes | Single shooting, Continuous shooting, Speed Priority Continuous shooting, Self-timer 10/2 sec.. delay selectable, Self-timer Cont. 10 sec.. delay, 3/5 exposures selectable, Bracketing Cont., Single, White Balance, DRO | - | ||
| Scene Modes | Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur | - | ||
| Macro Mode | G7 to M7 15 steps, A7 to B7 15 steps | - | ||
| 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 | ||
| connectivity features | ||||
| HDMI | - | Yes | ||
| USB | - | Yes | ||
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