• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400
  • 1 inch 116.2mm2
  • 20.1 megapixels
  • 24.00mm - 480.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-x
  • Panasonic Lumix DMC-FZ2500
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K2000
K2000 vs K-x
Panasonic FZ1000
FZ1000 vs FZ2500
Successor: Pentax K-r
K-x vs K-r
 
General
Model Number: K-x FZ2500
Alternate Model Number(s):   FZ2000, FZH1
Camera Format: SLR EVF
Currently Manufactured: No Yes
Retail Price: $649.95 $1199.99
Street Price: $701.76 $947.99
Date Available: 2009-10-15 2016-11-15
Tripod Mount: Yes Yes
Weight: 27.9 oz (791 g)
includes batteries, kit lens
34.1 oz (966 g)
includes batteries
Size: 4.8 x 3.6 x 2.7 in.
(122 x 92 x 69 mm)
5.4 x 4.0 x 5.3 in.
(138 x 102 x 135 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 12.4 20.1
Sensor Format: APS-C 1 inch
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 116.16mm2 (13.20mm x 8.80mm)
Approximate Pixel Pitch: 5.53 microns 2.41 microns
Focal Length Multiplier: 1.5x 2.7x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 72  
DxO Color Depth Score (bits): 22.8  
DxO Dynamic Range Score (evs): 12.5  
DxO Maximum Effective ISO Score (iso): 811  
Image Capture
Image Resolution: 4288 x 2848 (12.2 MP, Other),
3936 x 2624 (10.3 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2)
5472 x 3648 (20.0 MP, 3:2),
3888 x 2592 (10.1 MP, 3:2),
2736 x 1824 (5.0 MP, 3:2),
4864 x 3648 (17.7 MP, 4:3),
3456 x 2592 (9.0 MP, 4:3),
2432 x 1824 (4.4 MP, 4:3),
5472 x 3080 (16.9 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
3648 x 3648 (13.3 MP, 1:1),
2592 x 2592 (6.7 MP, 1:1),
1824 x 1824 (3.3 MP, 1:1)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) JPEG (EXIF 2.3), RAW, RAW+JPEG
Continuous-mode frames/second: 4.3 11.4
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (24)
640x416 (24)
4096x2160 (24p)
3840x2160 (30p/​24p)
1920x1080 (60p/​60i/​50p/​50i/​30p/​25p/​24p)
1280x720 (30p/​25p)
1920x1080 (2p/​12p/​20p/​22p/​24p/​26p/​28p/​36p/​48p/​60p/​72p/​84p/​96p/​120p)
Movie File Format:   MOV (Audio format LPCM), MP4 (Audio format LPCM / AAC 2ch), AVCHD (Audio format: Dolby Digital 2ch)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3) n/a
Lens: smc Pentax DA L 18-55mm f/3.5-5.6 AL LEICA DC VARIO-ELMARIT; 16 elements in 11 groups with 5 aspherical (8 aspherical surfaces), 4 ED, 1 UHR elements
Focal Length (35mm equivalent): 27 - 84mm 24 - 480mm
Focal Length (actual): 18 - 55mm 8.8 - 176mm
Zoom Ratio: 3.00x 20.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/2.8 (wide) / f/4.5 (tele) - f/11; 9 blade diaphragm; 2 built-in ND filters (1/4, 1/16, 1/64, Auto)
Integrated ND Filter: No Yes
Normal Focus Range:   30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:   3 cm to Infinity
1.2 in to Infinity
Filter Thread: 52.0mm 67.0mm
Thread Type: n/a On lens
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX VIII TTL phase-detect 11 point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot Contrast Detect with DFD: Face/Eye Detection, Tracking, 49-area, Custom Multi, 1-area (flexible / scalable), Pinpoint; (Full area touch is available)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; fixed eye-level pentamirror, 96% coverage, 0.85x mag., -2.5 to +1.5 diopter EVF: 0.39-inch 2.36M-dot XGA OLED, Field of View: Approx. 100%, Magnification: Approx. 2.18x / 0.74x (35mm equiv.), 20mm eyepoint, -4.0 to +4.0 diopter adjustment, eye sensor
Focus Peaking: No Yes
EVF Resolution: n/a 2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent): 0.57x 0.74x
Viewfinder Magnification (nominal/claimed): 0.85x 2.18x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,000 dots 1,040,000 dots (346,700 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 16.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 12800
Minimum ISO (native): 200 125
ISO Settings: Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 Auto, iISO, 80*, 100*, 125, 200, 400, 800, 1600, 3200, 6400, 12800, 25600* (* Extended ISO); Changeable to 1/3 EV step
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2/3/4, Color Temperature (2-axis adjustable)
Shutter Speed Range: 1/6000 - 30 sec 1/16000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 16-segment Multi, Center-weighted, Spot Intelligent Multiple, Center-Weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Auto Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Standard Flash Off), Scene (Night Scene, Surf & Snow, Food, Sunset, Kids, Pet, Candlelight, Museum, Stage Lighting [JPG], Night Snap [JPG]), Sensitivity Priority Scene: Clear Portrait, Silky Skin, Backlit Softness, Clear in Backlight, Relaxing Tone, Sweet Child's Face, Distinct Scenery, Bright Blue Sky, Romantic Sunset Glow, Vivid Sunset Glow, Glistening Water, Clear Nightscape, Cool Night Sky, Warm Glowing Nightscape, Artistic Nightscape, Glittering Illuminations, Handheld Night Shot, Clear Night Portrait, Soft Image of a Flower, Appetizing Food, Cute Dessert, Freeze Animal Motion, Clear Sports Shot, Monochrome, Panorama; Creative Control: Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine (22 filters)
Self Timer: 2 or 12 seconds 2, 10, 3 shots in 10 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless Auto, Auto/Red- eye Reduction, Forced On, Forced On/Red- eye Reduction, Slow Sync./Red- eye Reduction, Forced Off; Flash Synchro; 1st / 2nd
Flash Guide Number (ISO 100): 11.3 m / 37.1 ft. n/a
Flash Range Description: Depends on lens Auto ISO: 0.3 - 13.2m (Wide), 1.0 - 7.9m (Tele)
Max Flash Sync: 1/180 1/4000s with mechanical shutter; flash not supported with electronic shutter
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) RAW, RAW+JPEG
Movie File Format:   MOV (Audio format LPCM), MP4 (Audio format LPCM / AAC 2ch), AVCHD (Audio format: Dolby Digital 2ch)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
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 IR Wi-Fi, optional wired
Connections (extended): AC adapter available Micro-B USB 2.0, Micro-HDMI (Type D) with Viera Link, 2.5mm remote jack, 3.5mm external mic jack, 3.5mm external headphone jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.39 0.45
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.43  
Buffer size for RAW shooting in single shot mode (frames): 10  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.68
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 4.3 11.4
Buffer size for JPEG shooting in burst mode (frames, max resolution): 25 100
RAW shooting speed in burst mode (fps):   10.6
Buffer size for RAW shooting in burst mode (frames):   35
RAW+JPEG shooting speed in burst mode (fps):   10.7
Buffer Size for RAW+JPEG shooting in burst mode (frames):   32
Shutter lag (full AF, wide/mid): 0.10 seconds 0.10 seconds
Shutter lag (full AF, tele):   0.10 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.082 seconds 0.129 seconds
Shutter lag (full AF, with flash): 0.23 seconds 0.45 seconds
Shutter Lag (prefocused): 0.082 seconds 0.039 seconds
Shutter Lag (notes): Live View: Phase-detect Full AF: 0.448s Contrast-detect Full AF: 2.567s Prefocused: 0.427s  
Startup Time: 0.6 seconds 2.3 seconds
Play -> Record Time: 0.2 seconds 0.7 seconds
Flash cycle time, full power: 3.3 seconds 4.7 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   350 shots
Battery Life, Still (CIPA Rating OVF/EVF): 420 shots (NiMH AA) 270 shots
Battery Life, Video:    
Battery Form Factor: 4 x AA Proprietary
Usable Battery Types: Lithium, Alkaline disposables; NiMH rechargeables 7.2v 1200mAh Lithium-ion rechargeable
Batteries Included: 4 x AA Alkaline disposables 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: CD-ROM None; PHOTOfunSTUDIO and SILKYPIX Developer Studio available for download.
OS Compatibility: Windows XP/Vista/7, MacOS-X 10.3+  
Miscellaneous
Notes & Features: Sensor-shift shake reduction, 720p HD video capture, Live View with face detection. Available in black or white. Limited edition colors of red and navy will become available at select locations to be announced.