• 1/2.33 inch 28.2mm2
  • 16.0 megapixels
  • 25.00mm - 450.00mm (35mm eq.)
  • APS-C 369.0mm2
  • 14.8 megapixels
  • 28.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio RZ18
  • Sigma DP1 Merrill
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Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: RZ18 DP1 Merrill
Alternate Model Number(s):    
Camera Format: Compact Mid-Sized
Currently Manufactured: No No
Retail Price: $299.95 $799.00
Street Price: $209.99 $849.00
Date Available: 2011-10-31 2012-09-15
Tripod Mount: Yes Yes
Weight: 6.7 oz (190 g)
includes batteries
13.8 oz (391 g)
includes batteries
Size: 4.3 x 2.4 x 1.4 in.
(109 x 61 x 36 mm)
4.8 x 2.6 x 2.5 in.
(122 x 67 x 64 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   Foveon X3
Effective Megapixels: 16.0 14.8
Sensor Format: 1/2.33 inch APS-C
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 1.33 microns 5.00 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 3:2
Color Filter Type:   Full Color
Anti Aliasing Filter:   Not needed
Self-Cleaning: No No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 4608 x 3456 (15.9 MP, 4:3),
3456 x 3456 (11.9 MP, 1:1),
4608 x 2592 (11.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
4704 x 3136 (14.8 MP, 3:2),
3264 x 2176 (7.1 MP, 3:2),
2336 x 1568 (3.7 MP, Other)
Image File Format: JPG (EXIF 2.3) JPEG, 12-bit RAW (.X3F), RAW+JPEG
Continuous-mode frames/second: n/a 3.8
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
1280x720 (15)
640x480 (30)
640x480 (15)
320x240 (30)
320x240 (15)
640x480 (30)
Movie File Format: AVI (Motion JPG) AVI (Motion JPEG) with monaural sound
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No No
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: smc PENTAX zoom lens, 12 elements, 11 groups, 4 aspheric elements Sigma Lens; 9 elements in 8 groups
Focal Length (35mm equivalent): 25 - 450mm 28mm
Focal Length (actual): 4.5 - 81mm 19mm
Zoom Ratio: 18.00x 1.00x
Aperture Range: f/3.5 (wide) / f/5.9 (tele) - ??? f/2.8 - f/16, with 9-bladed diaphragm
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
100 cm to Infinity
39.4 in to Infinity
Macro Focus Range: 4 - 50 cm
1.6 - 19.7 in
20 cm to Infinity
7.9 in to Infinity
Filter Thread: n/a 49.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes No
Digital Zoom Values: 7.2x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point / spot TTL contrast detection w/ tracking Contrast Detection: 9 points select mode, Free move mode; possible to change size of focus frame (Spot, Regular, Large)
Auto Focus Assist Light? No No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:   Optional add-on optical type VF-11.
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 10.0x
Top Deck Display: No
Exposure
Maximum ISO (native):   6400
Minimum ISO (native):   100
ISO Settings: Auto (80 to 1,600), 80-1,600 (full res), 3,200 to 6,400 (5 megapixel or below) Auto (with programmable low and high limits), 100-6400 in 1 or 1/3 EV steps
Auto ISO Mode: No Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent, Manual Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom
Shutter Speed Range: 1/2000 - 4 sec 1/2000 - 30 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: Multi, Center-weighted, Spot Evaluative, center-weighted average, spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Portrait, Night Scene Portrait, Night Scene, Landscape, Blue Sky, Sunset, Flower, Sport, Pet, Digital SR (ISO 3200-6400 5M), Natural Skin Tone, Kids, Fireworks, Frame Composite (3M), Party, Food, Candlelight, Text, Surf & Snow, Digital Wide (5M), Digital Panorama (2M per frame) No scene modes or effects. Note that maximum shutter speed varies with aperture. Top shutter speeds are 1/2000s at f/5.6-f/16, 1/1600s at f/4.0-f/16 and 1/1250s at f/2.8-f/16.
Self Timer: 10s, 2s, Remote 3s seconds 2 or 10 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit)
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync:    
Flash Exposure Compensation:   +/- 3.0 EV in 0.3EV steps
External Flash Connection: n/a Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   12-bit RAW (.X3F), RAW+JPEG
Movie File Format: AVI (Motion JPG) AVI (Motion JPEG) with monaural sound
Included Memory: 96.0 MB No memory included
Included Memory Type: built-in memory  
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes No
Remote Control Type: Optional infrared  
Connections (extended): DC input Combined USB/AV
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   1.68
Cycle time for RAW shooting in single shot mode (seconds per frame):   1.84
Buffer size for RAW shooting in single shot mode (frames):   9
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.88
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution):   3.8
Buffer size for JPEG shooting in burst mode (frames, max resolution):   7
RAW shooting speed in burst mode (fps):   3.8
Buffer size for RAW shooting in burst mode (frames):   7
RAW+JPEG shooting speed in burst mode (fps):   3.8
Buffer Size for RAW+JPEG shooting in burst mode (frames):   7
Shutter lag (full AF, wide/mid):   0.49 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.081 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):   0.043 seconds
Shutter Lag (notes):   Full AF lag, Speed Priority AF mode = 0.424s
Startup Time:   2.9 seconds
Play -> Record Time:   0.8 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   97 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI92 Proprietary BP-41
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI92 lithium-ion rechargeable 2 x Proprietary BP-41 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Software CD-ROM S-SW121 SIGMA Photo Pro
OS Compatibility:   Windows, Mac OS
Miscellaneous
Notes & Features: Update of DP1x with same 14.8MP x 3 Foveon X3 Full Color sensor used in the SD1, 3-inch 920K-dot LCD, and dual TRUE II processors.