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Nikon D3X vs Pentax K-50

Portability
51
Imaging
67
Features
65
Overall
66
Nikon D3X front
 
Pentax K-50 front
Portability
63
Imaging
58
Features
65
Overall
60

Nikon D3X vs Pentax K-50 Key Specs

Nikon D3X
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 100 - 1600 (Push to 6400)
  • 1/8000s Maximum Shutter
  • No Video
  • Nikon F Mount
  • 1260g - 160 x 157 x 88mm
  • Launched February 2009
  • Old Model is Nikon D2Xs
Pentax K-50
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Released November 2013
  • Replaced the Pentax K-30
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Nikon D3X vs Pentax K-50 Overview

Here is a detailed assessment of the Nikon D3X vs Pentax K-50, one being a Pro DSLR and the other is a Entry-Level DSLR by manufacturers Nikon and Pentax. There exists a huge gap between the image resolutions of the D3X (25MP) and K-50 (16MP) and the D3X (Full frame) and K-50 (APS-C) enjoy different sensor size.

Photography Glossary

The D3X was announced 5 years prior to the K-50 and that is quite a significant gap as far as technology is concerned. Both of the cameras come with different body type with the Nikon D3X being a Large SLR camera and the Pentax K-50 being a Compact SLR camera.

Before going through a in depth comparison, below is a concise highlight of how the D3X grades vs the K-50 with regard to portability, imaging, features and an overall rating.

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Reasons to pick Nikon D3X over the Pentax K-50

 D3X K-50 

Reasons to pick Pentax K-50 over the Nikon D3X

 K-50 D3X 
ReleasedNovember 2013February 2009Fresher by 58 months
Display resolution921k920kCrisper display (+1k dot)

Common features in the Nikon D3X and Pentax K-50

 D3X K-50 
Focus manually More accurate focus
Display typeFixed Fixed Fixed display
Display dimension3"3"Identical display size
Selfie screen Missing selfie screen
Touch friendly display Missing Touch friendly display

Nikon D3X vs Pentax K-50 Physical Comparison

In case you're aiming to carry your camera regularly, you'll need to think about its weight and volume. The Nikon D3X has got outer measurements of 160mm x 157mm x 88mm (6.3" x 6.2" x 3.5") with a weight of 1260 grams (2.78 lbs) whilst the Pentax K-50 has sizing of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") with a weight of 650 grams (1.43 lbs).

Analyze the Nikon D3X vs Pentax K-50 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing at the time. The following is the front view size comparison of the D3X vs the K-50.

Nikon D3X vs Pentax K-50 size comparison

Taking into account dimensions and weight, the portability score of the D3X and K-50 is 51 and 63 respectively.

Nikon D3X vs Pentax K-50 top view buttons comparison

Nikon D3X vs Pentax K-50 Sensor Comparison

Sometimes, it is tough to imagine the gap between sensor sizing purely by going over specs. The photograph below will provide you a better sense of the sensor sizing in the D3X and K-50.

All in all, both the cameras posses different megapixels and different sensor sizing. The D3X using its larger sensor is going to make shooting shallow DOF simpler and the Nikon D3X will offer you more detail with its extra 9 Megapixels. Greater resolution will allow you to crop pics somewhat more aggressively. The older D3X is going to be behind in sensor tech.

Nikon D3X vs Pentax K-50 sensor size comparison

Nikon D3X vs Pentax K-50 Screen and ViewFinder

Nikon D3X vs Pentax K-50 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon D3X Portrait photography advice
Pentax K-50 Portrait photography advice
80
you can focus manually
fantastic MP (25 megapixels)
great sensor size (Full frame)
delivers RAW formats
74
has manual focus
MP count decent (16MP)
sensor size is good (APS-C)
offers face detection autofocus
supports RAW files
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Street Comparison

Nikon D3X Street photography details
Pentax K-50 Street photography details
57
great sensor size (Full frame)
delivers RAW formats
environment proof
no moving screen
no image stabilization
65
has image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW files
environment proof
above average ISO range (51,600)
screen is fixed
more heavy than competitors (650g)
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Sports Comparison

Nikon D3X as a Sports photography camera
Pentax K-50 as a Sports photography camera
71
maximum shutter speed is high (1/8,000 seconds)
fantastic MP (25 megapixels)
great sensor size (Full frame)
environment proof
better than average battery life (4,400 shots)
supports phase detect auto focus
low frames per second (5.0 frames/s)
no image stabilization
67
high shutter speed (1/6,000 seconds)
has image stabilization (Sensor based)
MP count decent (16MP)
sensor size is good (APS-C)
offers tracking autofocus
environment proof
has phase detect autofocus
low fps (6.0 frames per second)
low battery pack (410 shots)
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Travel Comparison

Nikon D3X as a Travel photography camera
Pentax K-50 as a Travel photography camera
63
better than average battery life (4,400 per charge)
environment proof
fantastic MP (25 megapixels)
display is not selfie friendly
56
environment proof
MP count decent (16MP)
flash built-in
low battery pack (410 per charge)
more heavy than competitors (650g)
does not offer selfie friendly screen
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Landscape Comparison

Nikon D3X Landscape photography information
Pentax K-50 Landscape photography information
76
you can focus manually
interchangeable lenses (Nikon F mount)
screen is a good size (3 inches)
fantastic MP (25MP)
great sensor size (Full frame)
delivers RAW formats
environment proof
better than average battery life (4,400 per charge)
2 card slots
no image stabilization
74
has manual focus
swap lenses (Pentax KAF2 mount)
decent sized screen (3 inches)
has image stabilization (Sensor based)
MP count decent (16 megapixels)
sensor size is good (APS-C)
above average ISO range (51,600)
supports RAW files
environment proof
low battery pack (410 CIPA)
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Vlogging Comparison

Nikon D3X as a Vlogging camera
Pentax K-50 as a Vlogging camera
9
lack of video recording
28
has image stabilization (Sensor based)
offers face detection autofocus
video resolution high (1920 x 1080 pxls)
does not offer selfie friendly screen
no external microphone socket
more heavy than competitors (650 grams)
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Nikon D3X vs Pentax K-50 Specifications

Detailed spec comparison table for Nikon D3X and Pentax K-50
 Nikon D3XPentax K-50
General Information
Brand Nikon Pentax
Model Nikon D3X Pentax K-50
Class Pro DSLR Entry-Level DSLR
Launched 2009-02-19 2013-11-27
Physical type Large SLR Compact SLR
Sensor Information
Powered by Expeed PRIME M
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.9 x 24mm 23.7 x 15.7mm
Sensor area 861.6mm² 372.1mm²
Sensor resolution 25 megapixel 16 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2
Peak resolution 6048 x 4032 4928 x 3264
Highest native ISO 1600 51600
Highest enhanced ISO 6400 -
Min native ISO 100 100
RAW support
Min enhanced ISO 50 -
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 51 11
Cross focus points - 9
Lens
Lens mounting type Nikon F Pentax KAF2
Number of lenses 309 151
Focal length multiplier 1 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen size 3 inches 3 inches
Resolution of screen 920 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch capability
Screen tech Super Density TFT color LCD with wide-viewing angle TFT LCD monitor with brightness/color adjustment and AR coating
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.61x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/8000 seconds 1/6000 seconds
Continuous shutter rate 5.0fps 6.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash range no built-in flash 12.00 m (at ISO 100)
Flash options Auto, On, Off, Red-eye, Slow sync, Rear curtain Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless
Hot shoe
AEB
WB bracketing
Max flash synchronize 1/250 seconds 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50,30,25,24 fps), 640 x 424 (30,25,24 fps)
Highest video resolution None 1920x1080
Video format - MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional Optional
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1260 grams (2.78 pounds) 650 grams (1.43 pounds)
Dimensions 160 x 157 x 88mm (6.3" x 6.2" x 3.5") 130 x 97 x 71mm (5.1" x 3.8" x 2.8")
DXO scores
DXO Overall score 88 79
DXO Color Depth score 24.7 23.7
DXO Dynamic range score 13.7 13.0
DXO Low light score 1992 1120
Other
Battery life 4400 pictures 410 pictures
Battery type Battery Pack Battery Pack
Battery model EN-EL4a D-LI109
Self timer Yes (2 to 20 sec, custom) Yes ( 2 or 12 seconds)
Time lapse recording
Type of storage Compact Flash (Type I or II) x 2, UDMA SD/SDHC/SDXC
Card slots Dual Single
Launch cost $3,000 $610