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Pentax K-7, K20D, and K10D Compared
Posted By: Ole, 05-24-2009, 09:13 AM

Here is a chart showing the differences between the Pentax K-7, K20D, and K10D high-end DSLRs.

Click here to compare other Pentax DSLRs.

Pentax K-7Pentax K20DPentax K10D
Year introduced200920082006
AvailabilityWorldwideDiscontinuedDiscontinued
MountKAF2 (without coupling for aperture ring)KAF2 (without coupling for aperture ring)KAF2 (without coupling for aperture ring)
Meter range0 to 21 EV0 to 21 EV0 to 21 EV
Meter patternm (77 segments) c sm (16 segments) c sm (16 segments) c s
ISO range (expanded)100 - 3200 (100 - 6400)100 - 3200 (100 - 6400)100 - 1600
Expanded dynamic rangeYes, highlight and shadowYes, highlightNo
Exposure modesGreen, HyP, Sv, Av, Tv, TAv, HyM, X, BGreen, HyP, Sv, Av, Tv, TAv, HyM, X, BGreen, HyP, Sv, Av, Tv, TAv, HyM, X, B
RestrictionsExposure modes with M and K lenses are restricted to Av (with aperture always wide open) and MExposure modes with M and K lenses are restricted to Av (with aperture always wide open) and MExposure modes with M and K lenses are restricted to Av (with aperture always wide open) and M
Program modesAuto, Normal, Action, Depth of field (two), MTFNormal, Action, Depth of Field, MTFNormal, Action, Depth of Field, MTF
Scene ModesNoneNoneNone
Exposure compensation+/-5 EV+/-3 EV+/-3 EV
Exposure lockYesYesYes
Shutter speeds (auto)30s - 1/8000s (stepless)30s - 1/4000s (stepless)30s - 1/4000s (stepless)
Shutter speeds (manual)B, 30s - 1/8000sB, 30s - 1/4000sB, 30s - 1/4000s
Mirror lock-upYesYesYes
Shutter lifeShutter life: At least 100,000 actuations
Self timer / Interval shootingYes / YesYes / YesYes / No
Continuous shootingHi: 5.2 fps to 40 frames (JPG), 15 frames (PEF), 14 frames (DNG)
Lo: 3.3 fps until card is full (JPG), up to 17 frames (PEF/DNG)
Hi: 3 fps up to 38 frames (JPG), 14 franes (PEF), 16 frames (DNG)
Lo: 2.3 fps until card is full (JPG)
Burst mode: 21 fps up to 115 frames (1024 x 1536 JPG)
3 fps until card is full (JPG), 9 frames (RAW)
Shake reductionYesYesYes
Auto bracketingYes (3 or 5 frames, one-push bracketing)Yes (3 or 5 frames, one-push bracketing)Yes (3 or 5 frames)
HDR modeYesNoNo
Multiple exposuresYesYesYes
Built-in flashYes, GN 13Yes, GN 13Yes, GN 11
TTL flashNoNoNo
P-TTL flashYesYesYes
Sync speed1/180s1/180s1/180s
Flash exposure comp-2 to 1 EV-2 to 1 EV-2 to 1 EV
Extra external flash functionsWireless, High-speed, Contrast controlWireless, High-speed, Contrast controlWireless, High-speed, Contrast control
AutofocusYes (SAFOX VIII+, 11 focus points)Yes (SAFOX VIII, focus 11 points)Yes (SAFOX VIII, 11 focus points)
Autofocus sensitivity-1 to 18 EV-1 to 18 EV-1 to 18 EV
Autofocus with SDMYesYesYes (firmware 1.30)
AF AssistDedicated lamp (can be disabled)Yes, stroboscopic flashYes, stroboscopic flash
Front/Back focus corrYes (adjustments for up to 20 lenses)Yes (adjustments for up to 20 lenses)No
Power zoomLimitedLimitedLimited
Lens correctionYesNoNo
Viewfinder0.92x, 100%0.95x, 95%0.95x, 95%
Viewfinder typePentaprismPentaprismPentaprism
Diopter adjustment-2.5 to +1.5-2.5 to +1.5-2.5 to +1.5
AF Points in viewfinderYesYesYes
Exchangeable screenYesYesYes
Depth of field previewYesYesYes
Digital previewYes (with image magnificaion)Yes (with image magnificaion)Yes (with image magnificaion)
Live viewYesYesNo
Video/Movie Mode1536x1024 (3:2) at 30 fps
1280x720 (16:9) at 30 fps
640x416 (3:2) at 30 fps
HDMI out
NoNo
Movie mode restrictionsThe aperture is fixed during recording. Autofocus is not available during recording.Not applicableNot applicable
Sound in Movie modeStereo (external mic)
Mono (built-in mic)
Not applicableNot applicable
Camera controls2 control wheels. Many dedicated buttons2 control wheels. Many dedicated buttons2 control wheels. Many dedicated buttons
Custom Functions37
(One programmable USER Setting)
36
(One programmable USER Setting)
32
(One programmable USER Setting)
Sensor14.6 MP CMOS14.6 MP CMOS10.2 MP CCD
Image size15.8 x 23.6 mm15.8 x 23.6 mm15.8 x 23.6 mm
Color Depth3 x 12 bit (RAW)3 x 12 bit (RAW)3 x 12 bit (RAW)
Dust removal / alertDRII (ultrasonic) / YesYes / YesYes / No
Pixel mappingYesYesNo
File formatDNG, PEF, JPG, AVIDNG, PEF, JPGDNG, PEF, JPG
Memory card typeSD, SDHC (max. 32GB), SDXC via firmware updateSD, SDHCSD, SDHC
TetheringNoYesYes (from firmware 1.20)
Back LCD3 in. 921,000 pix2.7 in. 230,000 pix2.5 in. 210,000 pix
Top LCDYesYesYes
Weather resistantYesYesYes
BatteryD-LI90 lithium-ion rechargeableD-LI50 lithium-ion rechargeableD-LI50 lithium-ion rechargeable
Battery gripD-BG4 with D-LI90 or 6x AAD-BG2 with D-LI50D-BG2 with D-LI50
Size (W x H x D)130.5 x 96.5 x 72.5 mm141.5 x 101 x 70 mm141.5 x 101 x 70 mm
Weight670g (750g with battery and SD card)715 g710 g
Latest firmwareFeatures from the K-5 were added in version 1.10. SDXC support in Version 1.11Version 1.04Version 1.31
CommentEmbed copyright information in EXIF.
Image plane indicator.
In-camera RAW development.
In-camera RAW developmentIn-camera RAW development


Last edited by Ole; 02-12-2011 at 02:11 PM.
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