Pentax K20D Review

Review Date: April 28th 2008
Author: Mark Goldstein

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Page 1
Introduction / Ease of Use
Page 2
Image Quality
Page 3
Sample Images
Page 4
Design
Page 5
Specifications
Page 6
Conclusion

Specifications

TYPE
Camera Type Digital Single Lens Reflex
SENSOR
Effective Pixels approx.14.6 megapixels
Total Pixels approx.15.07 megapixels
Type 23.4x15.6mm CMOS with a primary colour filter
Sensitivity Auto, Manual : ISO100 - 3200(1EV steps or 1/2EV steps) can be expand to ISO6400,Bulb mode:up to ISO1600
Colour Depth 8 bit (JPEG) or 12 bit (RAW)
IMAGE SIZE
Still

JPEG: [14.6M] 4672 x3120 pixels, [10M] 3872 x 2592 pixels, [2M] 1824 x 1216 pixels

RAW: [14.6M] 4688 x 3120 pixels

FILE FORMAT
Still

RAW(Original Pentax PEF and DNG), JPEG (Conforms to Exif 2.21), Conforms to DCF (Design rule of Camera File system)2.0

Quality Level

Compressed: JPEG - Baseline (****: Premium ,***: Best , **: Better, *: Good) , RAW+JPEG : avaiable

Compressed: RAW (PEF)

Non-compressed: RAW (DNG)

STORAGE MEDIA
External SD , SDHC memory card
LENS
Mount PENTAX KAF2 bayonet mount
Usable lenses PENTAX KAF2-, KAF-, and KA-mount lenses.
FOCUSING SYSTEM
Type TTL Phase-matching 11-point wide autofocus system (SAFOX VIII)
Area Auto, Select, Centre
Mode AF-single (with focus lock), AF-continuous, Manual
AF assist avaiablewith Built-in Flash
EXPOSURE SYSTEM
Metering TTL open-aperture 16-segment metering (coupled with lens and AF information)
Metering Area Multi-segment metering, Center-weighted metering, Spot metering
Metering Range EV 0 - 21 (at Standard Output Sensitivity 100 with 50mm F1.4 lens)
Exposure Modes (1) Green, (2) Program AE, (3) Sensitivity-Priority AE, (4) Shutter-Priority AE, (5) Aperture-Priority AE, (6) Shutter and Aperture Priority AE, (7) Metered Manual, (8) X speed, (9) Bulb
Auto Bracketing 3 or 5 frames within range of 0.5EV, 1.0EV, 1.5EV, 2.0EV (0.5EV steps) or 0.3EV, 0.7EV, 1.0EV, 1.3EV, 1.7EV, 2.0EV (0.3EV steps)
Compensation 3 EV (0.5EV steps) , 2 EV (0.3EV steps)
Auto Exposure Lock available
SHUTTER
Type Electronically controlled vertical-run focal plane shutter
Speed 1/4000 - 30 sec. and bulb
FLASH
Type Built-in retractable P-TTL pop-up flash
Guide Number approx. 13 (Standard Output Sensitivity 100/m)
Angle of View Coverage 28mm wide-angle (equivalent to 35mm)
Exposure Compensation available
Synchronization Hot shoe, X-sync socket, sync-speed: 1/180 sec., P-TTL, high-speed-sync, wireless-sync with PENTAX dedicated flash
DRIVE MODE
Modes

Single-frame , Continuous Hi [approx. 3fps, until: 38 frames JPEG, 14 frames RAW (PEF), 16 frames RAW (DNG)], Continuous Lo [approx. 2.3fps ,until: the memory card becomes full JPEG, 14 frames RAW (PEF), 16 frames RAW (DNG)], Burst [approx. 21fps,115frames (1.6M*** JPEG)], Self-timer (12s, 2s), Remote control (0s, 3s), Remote control continuous, auto bracket, extended bracket and Multi-exposure

WHITE BALANCE
Modes Auto, Daylight, Shade, Cloudy,Tungsten Light, Fluorescent Light (W, D, N), Flash, Manual setting, with WB fine adjustment
SCREEN
LCD 2.7 inch, TFT colour LCD monitor, brightness and colour adjustable(Approx. 230,000 dots),
PLAYBACK
View One Image, Two Images, Index (4 or 9 or 16 thumb nails), Enlargement (up to 32X, scroll available), Image Rotation, Folder view, Slideshow, Histogram, Bright/Dark area
Digital Filter B&W(4 type), Sepia(3 type), Color (18 type), Color extract (6 type), Soft (three-level amount adjustable), Illustration, HDR (3 type), Slim (+/- 8 level amount adjustable), Brightness (+/- 8 level amount adjustable)
INTERFACE
PC USB2.0 (HI-SPEED)/Video , DC input , Cable switch, X-sync socket
 POWER
 Source

Rechargeable D-LI50 lithium-ion battery

Optional AC adapter also available.

 Performance

approx. 530* (50% use Flash)

* Recording capacity shows approximate number of shots recorded during CIPA-compliant testing.  Actual performance may vary depending on operating conditions.

 DIMENSIONS
 Height 101mm
 Width 141.5mm
 Depth 70mm
 Weight 715g without battery and card

Page 1
Introduction / Ease of Use
Page 2
Image Quality
Page 3
Sample Images
Page 4
Design
Page 5
Specifications
Page 6
Conclusion

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