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Panasonic GX8 vs Pentax K-7

Portability
74
Imaging
59
Features
84
Overall
69
Panasonic Lumix DMC-GX8 front
 
Pentax K-7 front
Portability
60
Imaging
54
Features
69
Overall
60

Panasonic GX8 vs Pentax K-7 Key Specs

Panasonic GX8
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 487g - 133 x 78 x 63mm
  • Released July 2015
  • Earlier Model is Panasonic GX7
Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 2000 (Increase to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Released October 2009
  • Replacement is Pentax K-5
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Panasonic GX8 vs Pentax K-7 Overview

In this write-up, we will be reviewing the Panasonic GX8 versus Pentax K-7, one being a Advanced Mirrorless and the latter is a Advanced DSLR by companies Panasonic and Pentax. There exists a sizeable gap between the resolutions of the GX8 (20MP) and K-7 (15MP) and the GX8 (Four Thirds) and K-7 (APS-C) use totally different sensor sizing.

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The GX8 was unveiled 5 years later than the K-7 and that is quite a large gap as far as technology is concerned. Each of the cameras offer different body type with the Panasonic GX8 being a Rangefinder-style mirrorless camera and the Pentax K-7 being a Mid-size SLR camera.

Before we go in to a detailed comparison, below is a concise synopsis of how the GX8 grades against the K-7 for portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Panasonic GX8 over the Pentax K-7

 GX8 K-7 
ReleasedJuly 2015October 2009More recent by 71 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1040k921kClearer screen (+119k dot)
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax K-7 over the Panasonic GX8

 K-7 GX8 

Common features in the Panasonic GX8 and Pentax K-7

 GX8 K-7 
Manual focus Very precise focus
Screen sizing3"3"Equivalent screen measurement

Panasonic GX8 vs Pentax K-7 Physical Comparison

If you are aiming to lug around your camera often, you'll have to take into account its weight and size. The Panasonic GX8 has exterior dimensions of 133mm x 78mm x 63mm (5.2" x 3.1" x 2.5") along with a weight of 487 grams (1.07 lbs) whilst the Pentax K-7 has specifications of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 750 grams (1.65 lbs).

Look at the Panasonic GX8 versus Pentax K-7 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose at that moment. Below is the front view overall size comparison of the GX8 against the K-7.

Panasonic GX8 vs Pentax K-7 size comparison

Looking at dimensions and weight, the portability rating of the GX8 and K-7 is 74 and 60 respectively.

Panasonic GX8 vs Pentax K-7 top view buttons comparison

Panasonic GX8 vs Pentax K-7 Sensor Comparison

Sometimes, it can be difficult to envision the gap between sensor measurements purely by looking at specs. The photograph here should provide you a clearer sense of the sensor dimensions in the GX8 and K-7.

As you can plainly see, both cameras enjoy different megapixels and different sensor measurements. The GX8 using its tinier sensor will make getting shallow depth of field harder and the Panasonic GX8 will give you extra detail having an extra 5MP. Higher resolution will also help you crop pictures far more aggressively. The younger GX8 is going to have an advantage in sensor innovation.

Panasonic GX8 vs Pentax K-7 sensor size comparison

Panasonic GX8 vs Pentax K-7 Screen and ViewFinder

Panasonic GX8 vs Pentax K-7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GX8 Portrait photography factors
Pentax K-7 Portrait photography factors
75
focusing manually
decent megapixels (20MP)
decent sensor size (Four Thirds)
has face detect focus
exports RAW files
72
you can focus manually
good resolution (15 megapixels)
good sensor size (APS-C)
includes face detection focusing
delivers RAW formats
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Street Comparison

Panasonic GX8 Street photography advice
Pentax K-7 Street photography advice
80
screen articulates
image stabilization (Sensor based)
decent sensor size (Four Thirds)
exports RAW files
features touch focus
environment proofing
great high ISO (25,600)
66
image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW formats
weather proofing
screen is fixed
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Sports Comparison

Panasonic GX8 as a Sports photography camera
Pentax K-7 as a Sports photography camera
68
high shutter speed (1/8,000s)
silent shooting (1/16,000s)
image stabilization (Sensor based)
decent megapixels (20 megapixels)
decent sensor size (Four Thirds)
has tracking focus
environment proofing
terrible battery power (330 CIPA)
has no phase detect auto focus
69
great max shutter speed (1/8,000s)
image stabilization (Sensor based)
good resolution (15 megapixels)
good sensor size (APS-C)
weather proofing
comes with phase detect AF
slow continuous shooting (5.0 fps)
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Travel Comparison

Travel photography with Panasonic GX8
Travel photography with Pentax K-7
73
environment proofing
features touch focus
decent megapixels (20MP)
screen is selfie friendly
terrible battery power (330 shots)
64
weather proofing
good resolution (15MP)
flash built-in
display is not selfie friendly
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Landscape Comparison

Panasonic GX8 Landscape photography info
Pentax K-7 Landscape photography info
76
focusing manually
change lenses (Micro Four Thirds mount)
nice screen size (3 inch)
image stabilization (Sensor based)
decent megapixels (20MP)
decent sensor size (Four Thirds)
great high ISO (25,600)
exports RAW files
environment proofing
terrible battery power (330 CIPA)
77
you can focus manually
switch lenses (Pentax KAF2 mount)
pretty good screen size (3")
image stabilization (Sensor based)
good resolution (15MP)
good sensor size (APS-C)
delivers RAW formats
weather proofing
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Vlogging Comparison

Panasonic GX8 Vlogging details
Pentax K-7 Vlogging details
81
screen is selfie friendly
touchscreen functionality
image stabilization (Sensor based)
has face detect focus
high quality video (3840 x 2160 resolution)
comes with mic support
25
image stabilization (Sensor based)
includes face detection focusing
display is not selfie friendly
video resolution low (1280 x 720 resolution)
does not have external mic socket
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Panasonic GX8 vs Pentax K-7 Specifications

Detailed spec comparison table for Panasonic GX8 and Pentax K-7
 Panasonic Lumix DMC-GX8Pentax K-7
General Information
Brand Name Panasonic Pentax
Model type Panasonic Lumix DMC-GX8 Pentax K-7
Class Advanced Mirrorless Advanced DSLR
Released 2015-07-16 2009-10-02
Physical type Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Chip Venus Engine Prime II
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.4 x 15.6mm
Sensor area 224.9mm² 365.0mm²
Sensor resolution 20 megapixels 15 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Max resolution 5184 x 3888 4672 x 3104
Max native ISO 25600 2000
Max enhanced ISO - 6400
Minimum native ISO 200 100
RAW data
Minimum enhanced ISO 100 -
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 49 11
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Crop factor 2.1 1.5
Screen
Type of display Fully Articulated Fixed Type
Display diagonal 3 inch 3 inch
Display resolution 1,040 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch functionality
Display technology - TFT color LCD with AR coating
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% 100%
Viewfinder magnification 0.77x 0.61x
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/8000s 1/8000s
Fastest quiet shutter speed 1/16000s -
Continuous shutter rate 12.0 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash 13.00 m
Flash options Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless
Hot shoe
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize - 1/180s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 (30p, 24p), 1920 x 1080 (60p, 30p), 1280 x 720 (60p, 30p), 1280 x 720 (30p), 640 x 480 (30p) 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 3840x2160 1280x720
Video data format MPEG-4, AVCHD Motion JPEG
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 487 grams (1.07 lb) 750 grams (1.65 lb)
Dimensions 133 x 78 x 63mm (5.2" x 3.1" x 2.5") 131 x 97 x 73mm (5.2" x 3.8" x 2.9")
DXO scores
DXO Overall rating 75 61
DXO Color Depth rating 23.5 22.6
DXO Dynamic range rating 12.6 10.6
DXO Low light rating 806 536
Other
Battery life 330 images 980 images
Form of battery Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC card SD/SDHC/MMC
Card slots One One
Price at release $898 $599