• 1/2.33 inch 28.2mm2
  • 16.0 megapixels
  • 25.00mm - 450.00mm (35mm eq.)
  • 1/1.7 inch 43.3mm2
  • 12.4 megapixels
  • 24.00mm - 80.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio RZ18
  • Samsung EX2F
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: RZ18 EX2F
Alternate Model Number(s):    
Camera Format: Compact Compact
Currently Manufactured: No No
Retail Price: $299.95 $499.99
Street Price: $209.99 $479.39
Date Available: 2011-10-31 2012-08-15
Tripod Mount: Yes Yes
Weight: 6.7 oz (190 g)
includes batteries
11.2 oz (318 g)
includes batteries
Size: 4.3 x 2.4 x 1.4 in.
(109 x 61 x 36 mm)
4.4 x 2.4 x 1.1 in.
(112 x 62 x 29 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   BSI
Effective Megapixels: 16.0 12.4
Sensor Format: 1/2.33 inch 1/1.7 inch
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 43.32mm2 (7.6mm x 5.7mm)
Approximate Pixel Pitch: 1.33 microns 1.90 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type:   RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:   48
DxO Color Depth Score (bits):   20.0
DxO Dynamic Range Score (evs):   11.5
DxO Maximum Effective ISO Score (iso):   209
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)
4000 x 3000 (12.0 MP, 4:3),
4000 x 2672 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2832 x 2832 (8.0 MP, 1:1),
2592 x 1944 (5.0 MP, 4:3),
1984 x 1488 (3.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3)
Image File Format: JPG (EXIF 2.3) JPEG (EXIF 2.21), .MPO, RAW (.SRW), RAW+JPEG
Continuous-mode frames/second: n/a 10.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
1280x720 (15)
640x480 (30)
640x480 (15)
320x240 (30)
320x240 (15)
1920x1080 (30p)
1280x720 (30p)
640x480 (30p/​120p)
320x240 (30p)
384x288 (240p)
192x144 (480p)
Movie File Format: AVI (Motion JPG) MP4 (Video: MPEG-4 AVC/H.264, Audio: AAC)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: smc PENTAX zoom lens, 12 elements, 11 groups, 4 aspheric elements Schneider-Kreuznach Varioplan; 11 elements in 9 groups, with 4 aspherical and 2 high refractive lenses
Focal Length (35mm equivalent): 25 - 450mm 24 - 80mm
Focal Length (actual): 4.5 - 81mm 5.2 - 17.2mm
Zoom Ratio: 18.00x 3.30x
Aperture Range: f/3.5 (wide) / f/5.9 (tele) - ??? f/1.4 - 7.7 (wide) / f/2.7 - 8.5 (tele); includes ND filter
Integrated ND Filter: No Yes
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
40 cm to Infinity
15.7 in to Infinity
Macro Focus Range: 4 - 50 cm
1.6 - 19.7 in
1 cm to Infinity
0.4 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 7.2x Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point / spot TTL contrast detection w/ tracking Contrast Detection: Center AF, Multi AF, Tracking AF, Face Detection AF, Face Recognition AF, Selection AF
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD OLED
Viewfinder Type:   Optional OVF1 Optical View Finder
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 614,000 dots
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 10.0x 12.0x
Top Deck Display:
Exposure
Maximum ISO (native):   3200
Minimum ISO (native):   80
ISO Settings: Auto (80 to 1,600), 80-1,600 (full res), 3,200 to 6,400 (5 megapixel or below) Auto, 80 to 3200, 6400 and 12800 available when ISO Expansion is activated; ISO 12800 at 3MP
Auto ISO Mode: No Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent, Manual Auto WB, Daylight, Cloudy, Fluorescent_H, Fluorescent_L, Tungsten, Custom, K
Shutter Speed Range: 1/2000 - 4 sec 1/4000 - 30 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi, Center-weighted, Spot Multi, Spot, Center-weighted, Face Detection AE
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) Scene (Beauty Shot, Night, Landscape, Text, Sunset, Dawn, Backlight, Beach & Snow, 3D Photo), Magic Plus (Panorama, Magic Frame, Split Shot, Picture in Picture, Artistic Brush, HDR), Burst: Single, High-speed (10fps, 5fps, 3fps), Precapture, Bracket (WB, AE).
Self Timer: 10s, 2s, Remote 3s seconds 2 or 10 seconds
Time Lapse (intervalometer): No  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Auto, Auto & Red-eye reduction, Fill-in flash, Slow sync, Flash Off, Red-eye fix
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a Wide: 0.8m-7.8m (ISO Auto); Tele: 0.8m-4.1m (ISO Auto)
Max Flash Sync:    
Flash Exposure Compensation:   +/- 1.0 EV in 0.5EV 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:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW (.SRW), RAW+JPEG
Movie File Format: AVI (Motion JPG) MP4 (Video: MPEG-4 AVC/H.264, Audio: AAC)
Included Memory: 96.0 MB 0.0 MB
Included Memory Type: built-in memory  
Connectivity
Built-In Wi-Fi: No Yes
NFC: 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,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes No
Remote Control Type: Optional infrared  
Connections (extended): DC input Micro (Type D) HDMI; DC input supported via Micro USB
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   1.20
Cycle time for RAW shooting in single shot mode (seconds per frame):   1.82
Buffer size for RAW shooting in single shot mode (frames):   6
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution):   10.1
Buffer size for JPEG shooting in burst mode (frames, max resolution):   9
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid):   0.38 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.205 seconds
Shutter lag (full AF, with flash):   0.79 seconds
Shutter Lag (prefocused):   0.130 seconds
Shutter Lag (notes):   Wide-area AF lag: 0.406s
Startup Time:   1.7 seconds
Play -> Record Time:   1.0 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   260 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI92 Proprietary SLB-10A
Usable Battery Types: Lithium-ion rechargeable Lithium-ion Rechargeable
Batteries Included: 1 x Proprietary D-LI92 lithium-ion rechargeable 1 x Proprietary SLB-10A Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM S-SW121 iLauncher, PC Auto Backup, Samsung Raw Converter
OS Compatibility:   Windows XP SP2 / Vista / 7 / 8; Mac OS 10.4 or higher
Miscellaneous
Notes & Features: Wi-Fi Connectivity: Mobile Link, Remote Viewfinder, Social Sharing, Email, SkyDrive, Auto Backup, TV Link, Wi-Fi Direct.