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Nikon D7100 vs Pentax K-3 III

Portability
59
Imaging
65
Features
80
Overall
71
Nikon D7100 front
 
Pentax K-3 Mark III front
Portability
58
Imaging
72
Features
86
Overall
77

Nikon D7100 vs Pentax K-3 III Key Specs

Nikon D7100
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 6400 (Bump to 25600)
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Nikon F Mount
  • 765g - 136 x 107 x 76mm
  • Revealed April 2013
  • Old Model is Nikon D7000
  • Renewed by Nikon D7200
Pentax K-3 III
(Full Review)
  • 26MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 1600000
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Pentax KAF2 Mount
  • 820g - 135 x 104 x 74mm
  • Revealed March 2021
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Nikon D7100 vs Pentax K-3 III Overview

The following is a thorough overview of the Nikon D7100 versus Pentax K-3 III, both Advanced DSLR digital cameras by manufacturers Nikon and Pentax. The image resolution of the D7100 (24MP) and the K-3 III (26MP) is fairly well matched and both cameras posses the same sensor sizes (APS-C).

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The D7100 was announced 9 years before the K-3 III which is quite a significant difference as far as technology is concerned. The two cameras have the same body design (Mid-size SLR).

Before delving into a comprehensive comparison, here is a short view of how the D7100 grades against the K-3 III for portability, imaging, features and an overall mark.

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Reasons to pick Nikon D7100 over the Pentax K-3 III

 D7100 K-3 III 

Reasons to pick Pentax K-3 III over the Nikon D7100

 K-3 III D7100 
RevealedMarch 2021April 2013Newer by 96 months
Display resolution1620k1229kCrisper display (+391k dot)
Touch display Easily navigate

Common features in the Nikon D7100 and Pentax K-3 III

 D7100 K-3 III 
Manual focus Very exact focus
Display typeFixed Fixed Fixed display
Display dimensions3.2"3.2"Equal display dimensions
Selfie screen No selfie screen

Nikon D7100 vs Pentax K-3 III Physical Comparison

For anyone who is going to travel with your camera, you'll need to consider its weight and size. The Nikon D7100 enjoys external dimensions of 136mm x 107mm x 76mm (5.4" x 4.2" x 3.0") with a weight of 765 grams (1.69 lbs) while the Pentax K-3 III has specifications of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") with a weight of 820 grams (1.81 lbs).

See the Nikon D7100 versus Pentax K-3 III in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary dependant on the lens you select at the time. Following is a front view scale comparison of the D7100 and the K-3 III.

Nikon D7100 vs Pentax K-3 III size comparison

Factoring in dimensions and weight, the portability grade of the D7100 and K-3 III is 59 and 58 respectively.

Nikon D7100 vs Pentax K-3 III top view buttons comparison

Nikon D7100 vs Pentax K-3 III Sensor Comparison

Typically, it can be hard to visualise the contrast between sensor dimensions merely by looking at specifications. The pic underneath may offer you a greater sense of the sensor sizes in the D7100 and K-3 III.

Plainly, both of the cameras provide the same sensor dimensions but not the same megapixels. You can anticipate the Pentax K-3 III to give greater detail with its extra 2 Megapixels. Greater resolution will help you crop photos more aggressively. The more aged D7100 is going to be behind when it comes to sensor innovation.

Nikon D7100 vs Pentax K-3 III sensor size comparison

Nikon D7100 vs Pentax K-3 III Screen and ViewFinder

Nikon D7100 vs Pentax K-3 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon D7100 Portrait photography info
Pentax K-3 III Portrait photography info
79
manual focus
megapixel count good (24MP)
decent sensor size (APS-C)
includes face detection focusing
saves RAW formats
83
has manual focus
MP count fantastic (26 megapixels)
sensor size is decent (APS-C)
comes with face detect focusing
exports RAW files
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Street Comparison

Nikon D7100 Street photography highlights
Pentax K-3 III Street photography highlights
60
decent sensor size (APS-C)
saves RAW formats
weather proofing
no moving screen
lack of image stabilization
71
has image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW files
includes touch focus
weather sealing
very good ISO range (1,600,000)
no moving screen
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Sports Comparison

Nikon D7100 as a Sports photography camera
Pentax K-3 III as a Sports photography camera
70
high shutter speed (1/8,000s)
megapixel count good (24 megapixels)
decent sensor size (APS-C)
includes tracking autofocus
weather proofing
has phase detect AF
continuous shooting slow (6.0 frames per second)
lack of image stabilization
79
maximum shutter speed is high (1/8,000s)
has image stabilization (Sensor based)
MP count fantastic (26 megapixels)
sensor size is decent (APS-C)
comes with tracking focus
weather sealing
has phase detect AF
low battery power (800 CIPA)
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Travel Comparison

Travel photography with Nikon D7100
Travel photography with Pentax K-3 III
66
weather proofing
megapixel count good (24 megapixels)
built-in flash
display is not selfie friendly
64
weather sealing
supports bluetooth
includes touch focus
MP count fantastic (26 megapixels)
low battery power (800 CIPA)
doesn't have selfie friendly display
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Landscape Comparison

Nikon D7100 Landscape photography info
Pentax K-3 III Landscape photography info
76
manual focus
switch lenses (Nikon F mount)
pretty good screen size (3.2 inches)
megapixel count good (24 megapixels)
decent sensor size (APS-C)
doesnt have anti-alias filter
saves RAW formats
weather proofing
two card slots
lack of image stabilization
80
has manual focus
switch lenses (Pentax KAF2 mount)
screen size is good (3.2")
has image stabilization (Sensor based)
MP count fantastic (26MP)
sensor size is decent (APS-C)
doesnt have low pass filter
very good ISO range (1,600,000)
exports RAW files
weather sealing
has double storage slots
low battery power (800 per charge)
Photography Glossary

Vlogging Comparison

Nikon D7100 Vlogging information
Pentax K-3 III Vlogging information
30
includes face detection focusing
good video quality (1920 x 1080 pixels)
has external mic socket
display is not selfie friendly
lack of image stabilization
35
touch screen
has image stabilization (Sensor based)
comes with face detect focusing
high res video (3840 x 2160 pxls)
has microphone port
doesn't have selfie friendly display
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Nikon D7100 vs Pentax K-3 III Specifications

Detailed spec comparison table for Nikon D7100 and Pentax K-3 III
 Nikon D7100Pentax K-3 Mark III
General Information
Make Nikon Pentax
Model Nikon D7100 Pentax K-3 Mark III
Type Advanced DSLR Advanced DSLR
Revealed 2013-04-25 2021-03-31
Body design Mid-size SLR Mid-size SLR
Sensor Information
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.5 x 15.6mm 23 x 15.5mm
Sensor area 366.6mm² 356.5mm²
Sensor resolution 24 megapixel 26 megapixel
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2
Maximum resolution 6000 x 4000 6192 x 4128
Maximum native ISO 6400 1600000
Maximum boosted ISO 25600 -
Minimum native ISO 100 100
RAW pictures
Autofocusing
Manual focus
AF touch
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 51 101
Cross focus points 15 25
Lens
Lens mounting type Nikon F Pentax KAF2
Available lenses 309 156
Crop factor 1.5 1.6
Screen
Display type Fixed Type Fixed Type
Display size 3.2 inches 3.2 inches
Resolution of display 1,229k dot 1,620k dot
Selfie friendly
Liveview
Touch display
Display tech Wide Viewing Angle TFT-LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.63x 0.7x
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/8000 secs 1/8000 secs
Continuous shooting speed 6.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) no built-in flash
Flash settings Auto, On, Off, Red-eye, Slow sync, Rear curtain Auto, Auto + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow- speed Sync, Slow-speed Sync + Red-eye, P-TTL, Contrast-control-sync, High-speed sync, Wireless sync
Hot shoe
AEB
WB bracketing
Highest flash sync 1/250 secs 1/200 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60, 50, 25, 24 fps), 1280 x 720 (60, 50 fps), 640 x 424 (30, 24 fps) 3840 x 2160 @ 30p, MOV, H.264, Linear PCM3840 x 2160 @ 24p, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 24p, MOV, H.264, Linear PCM
Maximum video resolution 1920x1080 3840x2160
Video data format MPEG-4, H.264 MPEG-4, H.264
Microphone jack
Headphone jack
Connectivity
Wireless Optional Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS Optional None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 765g (1.69 lb) 820g (1.81 lb)
Physical dimensions 136 x 107 x 76mm (5.4" x 4.2" x 3.0") 135 x 104 x 74mm (5.3" x 4.1" x 2.9")
DXO scores
DXO All around score 83 not tested
DXO Color Depth score 24.2 not tested
DXO Dynamic range score 13.7 not tested
DXO Low light score 1256 not tested
Other
Battery life 950 shots 800 shots
Form of battery Battery Pack Battery Pack
Battery model EN-EL15 D-LI90
Self timer Yes (2 or 10 seconds) Yes
Time lapse shooting
Storage media SD/SDHC/SDXC x 2 slots Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
Storage slots Dual Dual
Cost at launch $800 $1,999