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Nikon D300 vs Pentax K-3 III

Portability
55
Imaging
51
Features
59
Overall
54
Nikon D300 front
 
Pentax K-3 Mark III front
Portability
58
Imaging
72
Features
86
Overall
77

Nikon D300 vs Pentax K-3 III Key Specs

Nikon D300
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 3200 (Push to 6400)
  • 1/8000s Max Shutter
  • No Video
  • Nikon F Mount
  • 925g - 147 x 114 x 74mm
  • Revealed March 2008
  • Old Model is Nikon D200
  • Updated by Nikon D300S
Pentax K-3 III
(Full Review)
  • 26MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 1600000
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Pentax KAF2 Mount
  • 820g - 135 x 104 x 74mm
  • Revealed March 2021
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Nikon D300 vs Pentax K-3 III Overview

Lets look a bit more closely at the Nikon D300 versus Pentax K-3 III, both Advanced DSLR digital cameras by companies Nikon and Pentax. There is a huge difference between the image resolutions of the D300 (12MP) and K-3 III (26MP) but they come with the exact same sensor sizes (APS-C).

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The D300 was manufactured 14 years prior to the K-3 III which is quite a significant gap as far as tech is concerned. Each of these cameras come with the identical body type (Mid-size SLR).

Before going through a complete comparison, below is a quick overview of how the D300 matches up against the K-3 III in the way of portability, imaging, features and an overall mark.

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Reasons to pick Nikon D300 over the Pentax K-3 III

 D300 K-3 III 

Reasons to pick Pentax K-3 III over the Nikon D300

 K-3 III D300 
RevealedMarch 2021March 2008Newer by 158 months
Screen dimension3.2"3"Bigger screen (+0.2")
Screen resolution1620k922kClearer screen (+698k dot)
Touch screen Quickly navigate

Common features in the Nikon D300 and Pentax K-3 III

 D300 K-3 III 
Manual focus More accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither provides selfie screen

Nikon D300 vs Pentax K-3 III Physical Comparison

For anyone who is looking to travel with your camera, you are going to need to think about its weight and dimensions. The Nikon D300 provides outer dimensions of 147mm x 114mm x 74mm (5.8" x 4.5" x 2.9") along with a weight of 925 grams (2.04 lbs) and the Pentax K-3 III has dimensions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") and a weight of 820 grams (1.81 lbs).

Analyze the Nikon D300 versus Pentax K-3 III in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at that moment. Following is the front view sizing comparison of the D300 compared to the K-3 III.

Nikon D300 vs Pentax K-3 III size comparison

Considering size and weight, the portability rating of the D300 and K-3 III is 55 and 58 respectively.

Nikon D300 vs Pentax K-3 III top view buttons comparison

Nikon D300 vs Pentax K-3 III Sensor Comparison

Oftentimes, it is hard to visualize the gap between sensor dimensions merely by going over specifications. The pic here should provide you a much better sense of the sensor dimensions in the D300 and K-3 III.

Plainly, both of those cameras have got the exact same sensor measurements albeit different megapixels. You should expect the Pentax K-3 III to deliver greater detail due to its extra 14 Megapixels. Higher resolution will also help you crop shots much more aggressively. The more aged D300 is going to be disadvantaged with regard to sensor technology.

Nikon D300 vs Pentax K-3 III sensor size comparison

Nikon D300 vs Pentax K-3 III Screen and ViewFinder

Nikon D300 vs Pentax K-3 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Nikon D300
Portrait photography with Pentax K-3 III
60
manual focus
decent sensor size (APS-C)
saves RAW files
low MP (12MP)
83
focusing manually
resolution is high (26 megapixels)
good sensor size (APS-C)
offers face detect focus
exports RAW files
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Street Comparison

Street photography with Nikon D300
Street photography with Pentax K-3 III
56
decent sensor size (APS-C)
saves RAW files
environment proofing
no articulating screen
no image stabilization
71
has image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW files
supports touch focus
weather proofing
above average ISO range (1,600,000)
fixed screen
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Sports Comparison

Nikon D300 Sports photography details
Pentax K-3 III Sports photography details
56
high shutter speed (1/8,000s)
decent sensor size (APS-C)
environment proofing
great battery (1,000 shots)
comes with phase detect AF
max fps low (6.0 fps)
no image stabilization
low MP (12 megapixels)
79
high shutter speed (1/8,000s)
has image stabilization (Sensor based)
resolution is high (26MP)
good sensor size (APS-C)
offers tracking focus
weather proofing
supports phase detect auto focus
terrible battery power (800 shots)
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Travel Comparison

Nikon D300 Travel photography info
Pentax K-3 III Travel photography info
56
great battery (1,000 shots)
environment proofing
flash built-in
low MP (12 megapixels)
screen isn't selfie friendly
64
weather proofing
supports bluetooth
supports touch focus
resolution is high (26MP)
terrible battery power (800 CIPA)
doesn't offer selfie friendly display
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Landscape Comparison

Nikon D300 as a Landscape photography camera
Pentax K-3 III as a Landscape photography camera
64
manual focus
change lenses (Nikon F mount)
pretty good screen size (3 inch)
decent sensor size (APS-C)
saves RAW files
environment proofing
great battery (1,000 per charge)
no image stabilization
low MP (12MP)
80
focusing manually
switch lenses (Pentax KAF2 mount)
nice screen size (3.2")
has image stabilization (Sensor based)
resolution is high (26MP)
good sensor size (APS-C)
doesnt have low pass filter
above average ISO range (1,600,000)
exports RAW files
weather proofing
two card slots
terrible battery power (800 shots)
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Vlogging Comparison

Nikon D300 Vlogging advice
Pentax K-3 III Vlogging advice
9
can't record video
35
touch screen
has image stabilization (Sensor based)
offers face detect focus
high res video (3840 x 2160 pxls)
comes with microphone socket
doesn't offer selfie friendly display
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Nikon D300 vs Pentax K-3 III Specifications

Detailed spec comparison table for Nikon D300 and Pentax K-3 III
 Nikon D300Pentax K-3 Mark III
General Information
Manufacturer Nikon Pentax
Model Nikon D300 Pentax K-3 Mark III
Class Advanced DSLR Advanced DSLR
Revealed 2008-03-12 2021-03-31
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor Expeed -
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.6 x 15.8mm 23 x 15.5mm
Sensor surface area 372.9mm² 356.5mm²
Sensor resolution 12MP 26MP
Anti aliasing filter
Aspect ratio 3:2 3:2
Full resolution 4288 x 2848 6192 x 4128
Max native ISO 3200 1600000
Max boosted ISO 6400 -
Minimum native ISO 200 100
RAW images
Minimum boosted ISO 100 -
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 51 101
Cross focus points - 25
Lens
Lens mounting type Nikon F Pentax KAF2
Available lenses 309 156
Crop factor 1.5 1.6
Screen
Type of display Fixed Type Fixed Type
Display size 3" 3.2"
Display resolution 922k dots 1,620k dots
Selfie friendly
Liveview
Touch function
Display tech Super Density TFT color LCD with wide-viewing angle -
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 rate 6.0fps 12.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom 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 synchronize 1/250 secs 1/200 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 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
Max video resolution None 3840x2160
Video file format - MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless None 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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 925 gr (2.04 lb) 820 gr (1.81 lb)
Dimensions 147 x 114 x 74mm (5.8" x 4.5" x 2.9") 135 x 104 x 74mm (5.3" x 4.1" x 2.9")
DXO scores
DXO All around score 67 not tested
DXO Color Depth score 22.1 not tested
DXO Dynamic range score 12.0 not tested
DXO Low light score 679 not tested
Other
Battery life 1000 shots 800 shots
Form of battery Battery Pack Battery Pack
Battery model EN-EL3e D-LI90
Self timer Yes (2 to 20 sec) Yes
Time lapse recording
Storage type Compact Flash (Type I or II) Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
Card slots 1 2
Cost at launch $1,100 $1,999