• 1/2.33 inch 28.2mm2
  • 16.0 megapixels
  • 25.00mm - 450.00mm (35mm eq.)
  • APS-C 369.0mm2
  • 24.2 megapixels
  • ISO 200 - 6400
  • Detailed specifications
  • Pentax Optio RZ18
  • Fujifilm X-A3
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Fujifilm X-A2
X-A2 vs X-A3
Successor:   Fujifilm X-A5
X-A3 vs X-A5
General
Model Number: RZ18 X-A3
Alternate Model Number(s):    
Camera Format: Compact Compact System Camera
Currently Manufactured: No Yes
Retail Price: $299.95 $599.95
Street Price: $209.99 $549.00
Date Available: 2011-10-31 2016-10-15
Tripod Mount: Yes Yes
Weight: 6.7 oz (190 g)
includes batteries
18.8 oz (534 g)
includes batteries, kit lens
Size: 4.3 x 2.4 x 1.4 in.
(109 x 61 x 36 mm)
4.6 x 2.6 x 1.6 in.
(117 x 67 x 40 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 16.0 24.2
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 3.92 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type:   RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No Yes
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)
6000 x 4000 (24.0 MP, 3:2),
4242 x 2832 (12.0 MP, 3:2),
3008 x 2000 (6.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2384 (10.1 MP, 16:9),
3008 x 1688 (5.1 MP, 16:9),
4000 x 4000 (16.0 MP, 1:1),
2832 x 2832 (8.0 MP, 1:1),
2000 x 2000 (4.0 MP, 1:1),
9600 x 1440 (13.8 MP, Other),
2160 x 9600 (20.7 MP, Other),
6400 x 1440 (9.2 MP, Other),
2160 x 6400 (13.8 MP, Other)
Image File Format: JPG (EXIF 2.3) JPEG (Exif Ver 2.3), .RAF RAW, RAW + JPEG
Continuous-mode frames/second: n/a 5.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
1280x720 (15)
640x480 (30)
640x480 (15)
320x240 (30)
320x240 (15)
1920x1080 (60p/​50p/​24p)
1280x720 (60p/​50p/​24p)
Movie File Format: AVI (Motion JPG) H.264 (MOV) with stereo sound
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a Fujifilm X
Lens: smc PENTAX zoom lens, 12 elements, 11 groups, 4 aspheric elements FUJINON XC 16-50mm f/3.5-5.6 OIS II; 12 all glass elements in 10 groups including 3 aspherical elements and 1 ED element; 7 round-edged aperture blades
Focal Length (35mm equivalent): 25 - 450mm 24 - 76mm
Focal Length (actual): 4.5 - 81mm 16 - 50mm
Zoom Ratio: 18.00x 3.13x
Aperture Range: f/3.5 (wide) / f/5.9 (tele) - ??? f/3.5 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
15 cm to Infinity
5.9 in to Infinity
Macro Focus Range: 4 - 50 cm
1.6 - 19.7 in
 
Filter Thread: n/a 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
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: Single point AF: 11x7 (Changeable size of AF frame among 5 types), Zone AF: 3x3 / 5x5 / 7x7 from 77 areas on 11x7 grid, Wide/Tracking AF (up to 9 area)
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:    
Focus Peaking: No Yes
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 1,036,800 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 10.0x  
Top Deck Display: No
Exposure
Maximum ISO (native):   6400
Minimum ISO (native):   200
ISO Settings: Auto (80 to 1,600), 80-1,600 (full res), 3,200 to 6,400 (5 megapixel or below) 200-6400, Extended output sensitivity equivalent ISO 100, 12800 and 25600; AUTO1, AUTO2, AUTO3
Auto ISO Mode: No Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent, Manual Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Custom1-3, Underwater
Shutter Speed Range: 1/2000 - 4 sec 1/32000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: Multi, Center-weighted, Spot TTL 256-zones metering: Multi, Spot, Average
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: Portrait Enhancer, Landscape, Sports, Night; Film Simulation (PROVIA/STANDARD, Velvia/VIVID, ASTIA/SOFT, CLASSIC CHROME, PRO Neg Hi, PRO Neg. Std, MONOCHROME, MONOCHROME+Ye FILTER, MONOCHROME+R FILTER, MONOCHROME+G FILTER, SEPIA); Dynamic range setting: AUTO (100-400%), 100%, 200%, 400%; Multiple Exposure; Advanced Filters (Toy camera, Miniature, Pop color, High-key, Low-key, Dynamic tone, Fish-eye, Soft focus, Cross screen, Partial color (Red / Orange / Yellow / Green / Blue / Purple)); Motion Panorama
Self Timer: 10s, 2s, Remote 3s seconds 2, 10, Smile, Buddy, Group seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Auto, Forced Flash, Suppressed Flash, Slow Synchr, Rear-curtain Synchro, Commander; Red-eye reduction available
Flash Guide Number (ISO 100): n/a 5.0 m / 16.4 ft.
Flash Range Description: n/a GN=5m (ISO 100) or 7m (ISO 200)
Max Flash Sync:   1/180
Flash Exposure Compensation:   +/- 2.0 EV in 0.3EV steps
External Flash Connection: n/a Hot shoe
Built-In Wireless Flash Control:   Trigger Only
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   .RAF RAW, RAW + JPEG
Movie File Format: AVI (Motion JPG) H.264 (MOV) with stereo sound
Included Memory: 96.0 MB No memory included
Included Memory Type: built-in memory  
Connectivity
Built-In Wi-Fi: No Yes
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,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional infrared Wi-Fi or optional RR-90 wired remote
Connections (extended): DC input Micro (Type D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   1.01
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.98
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution):   5.9
Buffer size for JPEG shooting in burst mode (frames, max resolution):   9
RAW shooting speed in burst mode (fps):   5.8
Buffer size for RAW shooting in burst mode (frames):   6
RAW+JPEG shooting speed in burst mode (fps):   5.8
Buffer Size for RAW+JPEG shooting in burst mode (frames):   6
Shutter lag (full AF, wide/mid):   0.37 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.194 seconds
Shutter lag (full AF, with flash):   0.43 seconds
Shutter Lag (prefocused):   0.048 seconds
Shutter Lag (notes):    
Startup Time:   2.0 seconds
Play -> Record Time:   1.5 seconds
Flash cycle time, full power:   3.4 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   410 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI92 Proprietary NP-W126S
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI92 lithium-ion rechargeable 1 x Proprietary NP-W126S Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: Software CD-ROM S-SW121 Viewer software, RAW File Converter, etc. available via download
OS Compatibility:    
Miscellaneous
Notes & Features: Available in Silver, Brown and Pink.