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Nikon D40 vs Pentax K100D S

Portability
71
Imaging
45
Features
33
Overall
40
Nikon D40 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Nikon D40 vs Pentax K100D S Key Specs

Nikon D40
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 1600 (Bump to 3200)
  • No Video
  • Nikon F Mount
  • 522g - 124 x 94 x 64mm
  • Introduced December 2006
  • Later Model is Nikon D3000
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Released June 2007
  • Replaced the Pentax K100D
  • New Model is Pentax K200D
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Nikon D40 vs Pentax K100D S Overview

Below, we will be comparing the Nikon D40 vs Pentax K100D S, both Entry-Level DSLR cameras by brands Nikon and Pentax. The image resolution of the D40 (6MP) and the K100D S (6MP) is relatively close and they feature the exact same sensor sizing (APS-C).

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The D40 was introduced 6 months earlier than the K100D S and they are of a similar generation. Each of these cameras come with the identical body type (Compact SLR).

Before diving in to a full comparison, below is a short introduction of how the D40 grades against the K100D S when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Nikon D40 over the Pentax K100D S

 D40 K100D S 
Screen resolution230k210kClearer screen (+20k dot)

Reasons to pick Pentax K100D S over the Nikon D40

 K100D S D40 

Common features in the Nikon D40 and Pentax K100D S

 D40 K100D S 
ReleasedDecember 2006June 2007Same generation
Manually focus Very exact focus
Screen typeFixed Fixed Fixed screen
Screen dimension2.5"2.5"Identical screen measurement
Selfie screen Lack of selfie screen
Touch screen Lack of Touch screen

Nikon D40 vs Pentax K100D S Physical Comparison

For anybody who is looking to travel with your camera often, you have to take into account its weight and volume. The Nikon D40 comes with outside measurements of 124mm x 94mm x 64mm (4.9" x 3.7" x 2.5") with a weight of 522 grams (1.15 lbs) while the Pentax K100D S has sizing of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") along with a weight of 646 grams (1.42 lbs).

Examine the Nikon D40 vs Pentax K100D S in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with at the time. Underneath is the front view scale comparison of the D40 compared to the K100D S.

Nikon D40 vs Pentax K100D S size comparison

Using size and weight, the portability score of the D40 and K100D S is 71 and 65 respectively.

Nikon D40 vs Pentax K100D S top view buttons comparison

Nikon D40 vs Pentax K100D S Sensor Comparison

Often, it's difficult to see the gap in sensor dimensions simply by looking through technical specs. The image underneath will offer you a better sense of the sensor sizing in the D40 and K100D S.

As you can tell, both the cameras have got the exact same sensor measurements and the exact same megapixels and you should expect comparable quality of images but you really should take the production date of the cameras into account.

Nikon D40 vs Pentax K100D S sensor size comparison

Nikon D40 vs Pentax K100D S Screen and ViewFinder

Nikon D40 vs Pentax K100D S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Nikon D40
Portrait photography with Pentax K100D S
53
has manual focus
great flash sync speed (1/500 seconds)
sensor size is nice (APS-C)
delivers RAW files
doesn't have liveview
MP count low (6MP)
51
has manual focus
sensor size is decent (APS-C)
saves RAW files
does not have liveview
sensor resolution not great (6MP)
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Street Comparison

Nikon D40 Street photography details
Pentax K100D S Street photography details
58
sensor size is nice (APS-C)
delivers RAW files
screen does not articulate
does not have image stabilization
64
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW files
fixed screen
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Sports Comparison

Sports photography with Nikon D40
Sports photography with Pentax K100D S
39
sensor size is nice (APS-C)
comes with phase detect AF
doesn't have liveview
painfully slow continuous shooting (3.0 frames per second)
does not have image stabilization
MP count low (6 megapixels)
47
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
has phase detect auto focus
does not have liveview
painfully slow continuous shooting (3.0 fps)
sensor resolution not great (6 megapixels)
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Travel Comparison

Nikon D40 as a Travel photography camera
Pentax K100D S as a Travel photography camera
47
has built in flash
no Time Lapse mode
MP count low (6 megapixels)
display isn't selfie friendly
45
has built in flash
doesn't have Time Lapse mode
sensor resolution not great (6 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Nikon D40 Landscape photography advice
Pentax K100D S Landscape photography advice
47
has manual focus
interchangeable lenses (Nikon F mount)
sensor size is nice (APS-C)
delivers RAW files
screen is somewhat small (2.5 inch)
doesn't have liveview
does not have image stabilization
MP count low (6MP)
no Time Lapse mode
52
has manual focus
change lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW files
tiny screen (2.5 inches)
does not have liveview
sensor resolution not great (6MP)
doesn't have Time Lapse mode
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Vlogging Comparison

Nikon D40 Vlogging info
Pentax K100D S Vlogging info
9
no video
9
no video
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Nikon D40 vs Pentax K100D S Specifications

Detailed spec comparison table for Nikon D40 and Pentax K100D S
 Nikon D40Pentax K100D Super
General Information
Company Nikon Pentax
Model Nikon D40 Pentax K100D Super
Category Entry-Level DSLR Entry-Level DSLR
Introduced 2006-12-21 2007-06-28
Physical type Compact SLR Compact SLR
Sensor Information
Sensor type CCD CCD
Sensor size APS-C APS-C
Sensor dimensions 23.7 x 15.5mm 23.5 x 15.7mm
Sensor surface area 367.4mm² 369.0mm²
Sensor resolution 6 megapixel 6 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2
Maximum resolution 3008 x 2000 3008 x 2008
Maximum native ISO 1600 3200
Maximum boosted ISO 3200 -
Lowest native ISO 200 200
RAW support
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points - 11
Lens
Lens mount Nikon F Pentax KAF2
Total lenses 309 151
Crop factor 1.5 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen size 2.5 inch 2.5 inch
Resolution of screen 230k dots 210k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 95 percent 96 percent
Viewfinder magnification 0.53x 0.57x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/4000 secs 1/4000 secs
Continuous shooting rate 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range 17.00 m -
Flash options Front curtain, Rear curtain, Red-Eye, Slow, Red-Eye Slow Auto, On, Off, Red-eye reduction
Hot shoe
AE bracketing
WB bracketing
Maximum flash synchronize 1/500 secs 1/180 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Maximum video resolution None None
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 522 gr (1.15 pounds) 646 gr (1.42 pounds)
Dimensions 124 x 94 x 64mm (4.9" x 3.7" x 2.5") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO All around score 56 not tested
DXO Color Depth score 21.0 not tested
DXO Dynamic range score 11.0 not tested
DXO Low light score 561 not tested
Other
Battery model EN-EL9 4 x AA
Self timer Yes (2 to 20 sec) Yes (2 or 12 sec)
Time lapse feature
Storage type SD/SDHC card SD/SDHC card
Card slots Single Single
Pricing at launch $500 $520