| key specs |
| Camera Type | DSLR Camera | Digital Camera |
| Effective Pixels | 16 MP | 7.1 MP |
| Sensor Type | CMOS | CCD |
| Display Size | 3 inch | 2.5 inch |
| Battery Type | Lithium ion | Lithium ion |
| Display Type | - | TFT |
| general |
| Brand | Ricoh | Canon |
| Model | Pentax K-50 16MP DSLR Camera | PowerShot TX1 7.1MP Digital Camera |
| Model Name | Pentax K-50 | PowerShot TX1 |
| Series | Pentax | PowerShot |
| Color | Black | Silver |
| SLR Variant | Body With Da 18-135 Mm Wr Lens | - |
| Type | DSLR Camera | Digital Camera |
| Effective Pixels | 16 MP | 7.1 MP |
| Tripod Socket | Yes | - |
| Dimensions(WxHxD) | 13 x 7.11 x 9.7 cm | 89 x 60 x 29 mm |
| Face Detection | Yes | - |
| Wide Angle | Yes | - |
| Lens Attachment | Body+18-135mm | - |
| Temperature | 0 to 40 | 0 to 40 |
| Minimum Illumination | - | Available |
| Weight | - | 220 GM |
| sensor features |
| Sensor Type | CMOS | CCD |
| ISO Rating | ISO 100 - 51200 | - |
| Maximum ISO | 51200 ISO | 800 ISO |
| Sensor Technology | CMOS | - |
| Other Sensor Features | Type CMOS with Primary Color Filter, Integrated Shake / Dust Reduction Sensor Movement System, Color Depth 8 bits / Channel JPG, 12 bits / Channel RAW, Dust Removal Sensor Movement with SP Coating on Low Pass Filter, Pixel Mapping | - |
| Sensor Size | - | 1/2.5 inch |
| lens features |
| Manual Focus | Yes | - |
| Color Filter | Primary RGB Color Filter | - |
| Dust Reduction | Yes | - |
| Other Lens Features | Usable Lenses Pentax KAF 3, KAF 2, KAF and KA K Mount, 35 mm Screwmount, 645 / 67 Med Format Lenses Usable with Adapter and / or Restrictions, SDM Function | - |
| Focal Length | - | 39-390mm 35mm equiv |
| Optical Zoom | - | 10x |
| Aperture Range | - | F3.5-5.6 |
| viewfinder features |
| View Finder | Yes | - |
| Viewpoint Dioptric Adjustment | -2.5 to +1.5 m | - |
| Other Viewfinder Features | Standard Focusing Screen Natural-bright-matte III Interchangeable, Depth of Field Preview Optical Diaphragm Stop-down, Digital | - |
| focus features |
| Focus Mode | AF.A Auto, AF.S Single with Focus Lock, Focus / Shutter Priority Selectable, AF.C Continuous with Focus / FPS Priority Selectable, Manual | - |
| White Balancing | Type Image Sensor Detection with Light Wavelength Sensor Detection, Auto Preset Modes Auto, Daylight, Shade, Cloudy D Daylight Color, N Daylight White, W Cool White, L Warm White, Tungsten, Flash, CTE, Manual Mode S 3 Manual Settings can be Configured and Saved, Kelvin Color Temperatures can be Selected, WB Settings can be Copied from a Captured Image, WB Fine Adjustment +/- 7 Steps A-b Axis or G-m Axis | Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Custom |
| Other Focus Features | Focus Point Adjustment Auto 11 Point, Auto 5 Point, User-selectable Expanded Area AF, Center, AF Assist Via Dedicated LED AF Assist Lamp, Focus Peaking | - |
| Focus Points | - | Face Detect AF / 9-point AiAF |
| Metering Modes | - | Evaluative, Center-weighted average, SpotCenter |
| exposure features |
| Exposure Compensation | -5 - 5 EV 1/3 and 1/2 Steps | +/- 2EV in 1/3 EV increments |
| Dynamic Range Adjustment | Highlight, Shadow | - |
| Spot Meter | - | Yes |
| shutter features |
| Shutter Type | Electronically Controlled, Vertical-run, Focal Plane Shutter | - |
| Self-timer | Yes | Yes |
| Continuous Shots | Yes | Continuous 2.2 fps, no frame limit |
| Shutter Speed | - | 15 - 1/2500 sec dependent on shooting mode |
| flash features |
| Flash Modes | P-TTL, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync | Auto, Forced on, Forced off, Red-eye reduction, Flash exposure lock, Slow synchro |
| Other Flash Features | Flash Exposure Compensation - 2 to + 1 EV 1/3 Steps, External Flash Hotshoe P-TTL, High-speed Sync and Wireless with Pentax Dedicated Flash, X-sync Socket at 1/180 sec | - |
| image features |
| Image Format | JPG EXIF 2.3, RAW DNG, DCF 2.0 Compliant, DPOF, PIM III | JPEG Exif 2.2, DCF, DPOF |
| Gross Pixel | 16.5 MP | - |
| Red Eye Reduction | Yes | - |
| Image Stabilizer | Yes | - |
| Still Image Size | 4928 x 3264 16 M, 4224 x 2816 12 M, 3456 x 2304 8 M, 2688 x 1792 5 M | - |
| Picture Angle | 28 mm wide angle | - |
| HDR Support | Yes | - |
| Image Sizing | - | 3072 x 2304, 3072 x 1728, 2592 x 1944, 2048 x 1536, 1600 x 1200, 640 x 480 |
| Image Processor | - | DIGIC III with iSAPS technology |
| display features |
| Display Size | 3 inch | 2.5 inch |
| LCD Display Image Resolution | 921000 dots | 115000 pixels |
| Display Type | - | TFT |
| Display Resolution | - | 115,000 pixels |
| LCD Display | - | Quick Bright LCD, Night Display |
| connectivity features |
| USB | 2 | Yes |
| Wifi | No | - |
| storage and power features |
| Upgradable Memory | Yes | Yes |
| Card Type | SD, SDHC, SDXC | SD, SDHC, MMC, MMCplus compatible |
| Battery Type | Lithium ion | Lithium ion |
| Other Storage Features | Eye-fi Card Compatible | - |
| Inbuilt Memory | - | 32 MB |
| Batteries Included | - | Yes |
| audio and video features |
| Microphone | Built-in monaural | - |
| Audio Video Interface | Video Output Format NTSC, PAL, USB Connection MSC / PTP | - |
| Video Resolution | - | 1280 x 720 |
| Video Format | - | AVI Motion JPEG WAVE |
| Frame Rates in Video Modes | - | 30fps |
| modes and functions features |
| Shooting Modes | Custom Image Modes Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing, PASMB P, A, S, M, B Extended Modes Sv, TAv, Continuous Hi 6.0 fps 30 JPG, 8 RAW, Continuous Lo 3.0 fps Unlimited JPG, 10 RAW, Multi-exposure 2 - 9 Shots, Interval 999 Shots, 3 sec to 24 hrs Interval, Auto Picture Modes Standard, Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Night Scene, Blue Sky, Forest | Auto, Manual, Super macro, Color accent, Color swap, Stitch assist, Special scene, Movie |
| Scene Modes | Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR JPG, Night Snap, Food, Pet, Kids, Surf and Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum | Portrait, Night Snapshot, Indoor, Foliage, Snow, Beach, Aquarium |
| Macro Mode | - | 3.9 in.-1.6 ft./10-50cm WIDE |