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Pentax K-5 vs Sigma SD1

Portability
60
Imaging
56
Features
82
Overall
66
Pentax K-5 front
 
Sigma SD1 front
Portability
77
Imaging
55
Features
43
Overall
50

Pentax K-5 vs Sigma SD1 Key Specs

Pentax K-5
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 80 - 12800 (Expand to 51200)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 740g - 131 x 97 x 73mm
  • Revealed December 2010
  • Earlier Model is Pentax K-7
  • Updated by Pentax K-5 IIs
Sigma SD1
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 0 - 0
  • No Video
  • Sigma SA Mount
  • n/ag - 146 x 113 x 80mm
  • Revealed September 2010
  • Renewed by Sigma SD1 Merrill
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Pentax K-5 vs Sigma SD1 Overview

Lets look more closely at the Pentax K-5 versus Sigma SD1, both Advanced DSLR digital cameras by rivals Pentax and Sigma. The image resolution of the K-5 (16MP) and the SD1 (15MP) is fairly well matched and both cameras have the same sensor dimensions (APS-C).

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The K-5 was announced 3 months later than the SD1 so they are both of a similar generation. Each of the cameras have the same body design (Mid-size SLR).

Before getting right into a step-by-step comparison, here is a concise overview of how the K-5 matches up versus the SD1 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-5 over the Sigma SD1

 K-5 SD1 
Display resolution921k460kSharper display (+461k dot)

Reasons to pick Sigma SD1 over the Pentax K-5

 SD1 K-5 

Common features in the Pentax K-5 and Sigma SD1

 K-5 SD1 
RevealedDecember 2010September 2010Similar generation
Focus manually More accurate focus
Display typeFixed Fixed Fixed display
Display dimensions3"3"Equal display sizing
Selfie screen Lacking selfie screen
Touch friendly display Neither contains Touch friendly display

Pentax K-5 vs Sigma SD1 Physical Comparison

If you're aiming to carry your camera, you should consider its weight and volume. The Pentax K-5 has got exterior measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 740 grams (1.63 lbs) whilst the Sigma SD1 has sizing of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs).

Look at the Pentax K-5 versus Sigma SD1 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilising during that time. Underneath is a front view size comparison of the K-5 compared to the SD1.

Pentax K-5 vs Sigma SD1 size comparison

Factoring in dimensions and weight, the portability score of the K-5 and SD1 is 60 and 77 respectively.

Pentax K-5 vs Sigma SD1 top view buttons comparison

Pentax K-5 vs Sigma SD1 Sensor Comparison

Normally, it is tough to see the contrast between sensor sizing simply by checking specs. The visual here should provide you a far better sense of the sensor sizing in the K-5 and SD1.

As you can plainly see, both cameras provide the same sensor dimensions but not the same MP. You should anticipate the Pentax K-5 to resolve greater detail with its extra 1MP. Greater resolution will let you crop images more aggressively.

Pentax K-5 vs Sigma SD1 sensor size comparison

Pentax K-5 vs Sigma SD1 Screen and ViewFinder

Pentax K-5 vs Sigma SD1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-5 Portrait photography info
Sigma SD1 Portrait photography info
73
you can focus manually
MP count decent (16 megapixels)
nice sensor size (APS-C)
features face detect focus
saves RAW files
65
manual focus
megapixel count good (15 megapixels)
decent sensor size (APS-C)
delivers RAW formats
doesn't have liveview
Photography Glossary

Street Comparison

Street photography with Pentax K-5
Street photography with Sigma SD1
66
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
weather sealing
no moving screen
62
decent sensor size (APS-C)
delivers RAW formats
environment sealing
no articulating screen
lack of image stabilization
low maximum ISO (0)
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Sports Comparison

Sports photography with Pentax K-5
Sports photography with Sigma SD1
78
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based)
MP count decent (16 megapixels)
nice sensor size (APS-C)
features tracking focus
weather sealing
sensor has phase detect auto focus
56
megapixel count good (15MP)
decent sensor size (APS-C)
environment sealing
supports phase detect AF
doesn't have liveview
very slow continuous shooting (5.0 frames per second)
lack of image stabilization
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Travel Comparison

Pentax K-5 as a Travel photography camera
Sigma SD1 as a Travel photography camera
65
weather sealing
MP count decent (16MP)
has built in flash
doesn't have a selfie friendly screen
65
environment sealing
megapixel count good (15MP)
built-in flash
doesn't have Timelapse mode
display is not selfie friendly
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Landscape Comparison

Pentax K-5 Landscape photography info
Sigma SD1 Landscape photography info
78
you can focus manually
swap lenses (Pentax KAF2 mount)
decent sized screen (3 inch)
has image stabilization (Sensor based)
MP count decent (16MP)
nice sensor size (APS-C)
saves RAW files
weather sealing
61
manual focus
switch lenses (Sigma SA mount)
screen size is good (3 inches)
megapixel count good (15 megapixels)
decent sensor size (APS-C)
delivers RAW formats
environment sealing
doesn't have liveview
lack of image stabilization
low maximum ISO (0)
doesn't have Timelapse mode
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Vlogging Comparison

Pentax K-5 Vlogging factors
Sigma SD1 Vlogging factors
33
has image stabilization (Sensor based)
features face detect focus
video res high (1920 x 1080 pixels)
includes microphone socket
doesn't have a selfie friendly screen
9
can't record video
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Pentax K-5 vs Sigma SD1 Specifications

Detailed spec comparison table for Pentax K-5 and Sigma SD1
 Pentax K-5Sigma SD1
General Information
Company Pentax Sigma
Model type Pentax K-5 Sigma SD1
Type Advanced DSLR Advanced DSLR
Revealed 2010-12-18 2010-09-21
Body design Mid-size SLR Mid-size SLR
Sensor Information
Powered by Prime II Dual True II
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 23.7 x 15.7mm 24 x 16mm
Sensor area 372.1mm² 384.0mm²
Sensor resolution 16 megapixels 15 megapixels
Anti alias filter
Aspect ratio 3:2 -
Max resolution 4928 x 3264 4800 x 3200
Max native ISO 12800 -
Max enhanced ISO 51200 -
Min native ISO 80 -
RAW pictures
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 11
Cross type focus points 9 2
Lens
Lens mount type Pentax KAF2 Sigma SA
Number of lenses 151 76
Focal length multiplier 1.5 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 3 inch 3 inch
Display resolution 921k dot 460k dot
Selfie friendly
Liveview
Touch display
Display tech TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.61x 0.64x
Features
Minimum shutter speed 30s 15s
Fastest shutter speed 1/8000s 1/2000s
Continuous shutter speed 7.0fps 5.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 13.00 m (at ISO 100) -
Flash settings Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless -
Hot shoe
Auto exposure bracketing
White balance bracketing
Fastest flash sync 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 424 (25, 30 fps) -
Max video resolution 1920x1080 None
Video data format Motion JPEG -
Microphone input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 740 gr (1.63 lbs) -
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 146 x 113 x 80mm (5.7" x 4.4" x 3.1")
DXO scores
DXO Overall rating 82 not tested
DXO Color Depth rating 23.7 not tested
DXO Dynamic range rating 14.1 not tested
DXO Low light rating 1162 not tested
Other
Battery life 980 shots -
Form of battery Battery Pack -
Battery ID D-LI90 -
Self timer Yes ( 2 or 12 seconds) Yes
Time lapse feature
Storage media SD/SDHC/SDXC Compact Flash (Type I, UDMA compatible)
Storage slots 1 1
Retail price $800 $2,339