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Panasonic G7 vs Pentax 645D

Portability
71
Imaging
54
Features
80
Overall
64
Panasonic Lumix DMC-G7 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Panasonic G7 vs Pentax 645D Key Specs

Panasonic G7
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 410g - 125 x 86 x 77mm
  • Announced May 2015
  • Superseded the Panasonic G6
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Display
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Revealed March 2010
  • Replacement is Pentax 645Z
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Panasonic G7 vs Pentax 645D Overview

Here, we are contrasting the Panasonic G7 and Pentax 645D, one being a Advanced Mirrorless and the other is a Pro DSLR by competitors Panasonic and Pentax. There is a huge difference among the resolutions of the G7 (16MP) and 645D (40MP) and the G7 (Four Thirds) and 645D (Medium format) have totally different sensor dimensions.

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The G7 was manufactured 5 years later than the 645D and that is a fairly significant gap as far as camera tech is concerned. Both cameras feature different body design with the Panasonic G7 being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before we go right into a complete comparison, here is a simple overview of how the G7 scores vs the 645D for portability, imaging, features and an overall grade.

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Reasons to pick Panasonic G7 over the Pentax 645D

 G7 645D 
RevealedMay 2015March 2010More recent by 64 months
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution1040k921kClearer display (+119k dot)
Selfie screen Take selfies
Touch display Easily navigate

Reasons to pick Pentax 645D over the Panasonic G7

 645D G7 

Common features in the Panasonic G7 and Pentax 645D

 G7 645D 
Manually focus More precise focusing
Display size3"3"Same display sizing

Panasonic G7 vs Pentax 645D Physical Comparison

If you are going to lug around your camera, you will have to think about its weight and dimensions. The Panasonic G7 enjoys outer measurements of 125mm x 86mm x 77mm (4.9" x 3.4" x 3.0") with a weight of 410 grams (0.90 lbs) while the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Check out the Panasonic G7 and Pentax 645D in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing at the time. Below is a front view measurement comparison of the G7 vs the 645D.

Panasonic G7 vs Pentax 645D size comparison

Taking into account size and weight, the portability score of the G7 and 645D is 71 and 50 respectively.

Panasonic G7 vs Pentax 645D top view buttons comparison

Panasonic G7 vs Pentax 645D Sensor Comparison

Generally, its tough to envision the contrast in sensor measurements purely by viewing technical specs. The visual here might offer you a clearer sense of the sensor sizing in the G7 and 645D.

As you can tell, both of those cameras come with different megapixels and different sensor measurements. The G7 due to its smaller sensor will make achieving bokeh harder and the Pentax 645D will render more detail due to its extra 24MP. Greater resolution can also help you crop pics a good deal more aggressively. The more modern G7 will have a benefit in sensor tech.

Panasonic G7 vs Pentax 645D sensor size comparison

Panasonic G7 vs Pentax 645D Screen and ViewFinder

Panasonic G7 vs Pentax 645D Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Panasonic G7
Portrait photography with Pentax 645D
72
has manual focus
resolution is good (16 megapixels)
decent sensor size (Four Thirds)
offers face detection focus
delivers RAW files
77
has manual focus
MP count fantastic (40MP)
great sensor size (Medium format)
exports RAW files
no liveview
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Street Comparison

Panasonic G7 as a Street photography camera
Pentax 645D as a Street photography camera
72
fully articulated screen
decent sensor size (Four Thirds)
delivers RAW files
includes touch to focus
above average high ISO (25,600)
does not have image stabilization
58
great sensor size (Medium format)
exports RAW files
weather sealing
fixed screen
no image stabilization
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Sports Comparison

Panasonic G7 Sports photography advice
Pentax 645D Sports photography advice
55
quiet shutter (1/16,000s)
resolution is good (16 megapixels)
decent sensor size (Four Thirds)
offers tracking autofocus
does not have image stabilization
low battery life (350 per charge)
has no phase detect auto focus
63
MP count fantastic (40 megapixels)
great sensor size (Medium format)
weather sealing
comes with phase detect AF
no liveview
low fps (1.0 frames per second)
no image stabilization
terrible battery power (800 shots)
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Travel Comparison

Panasonic G7 Travel photography info
Pentax 645D Travel photography info
71
includes touch to focus
resolution is good (16 megapixels)
built-in flash
selfie friendly screen
low battery life (350 CIPA)
55
weather sealing
MP count fantastic (40MP)
terrible battery power (800 per charge)
doesn't feature selfie friendly display
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Landscape Comparison

Panasonic G7 Landscape photography info
Pentax 645D Landscape photography info
67
has manual focus
switch lenses (Micro Four Thirds mount)
screen size is good (3 inch)
resolution is good (16 megapixels)
decent sensor size (Four Thirds)
above average high ISO (25,600)
delivers RAW files
does not have image stabilization
low battery life (350 shots)
72
has manual focus
switch lenses (Pentax 645AF2 mount)
pretty good screen size (3 inch)
MP count fantastic (40MP)
great sensor size (Medium format)
does not have low pass filter
exports RAW files
weather sealing
has dual storage slots
no liveview
no image stabilization
terrible battery power (800 per charge)
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Vlogging Comparison

Panasonic G7 Vlogging information
Pentax 645D Vlogging information
72
selfie friendly screen
touchscreen enabled
offers face detection focus
video res high (3840 x 2160 pxls)
has external mic socket
does not have image stabilization
9
no video recording
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Panasonic G7 vs Pentax 645D Specifications

Detailed spec comparison table for Panasonic G7 and Pentax 645D
 Panasonic Lumix DMC-G7Pentax 645D
General Information
Brand Name Panasonic Pentax
Model Panasonic Lumix DMC-G7 Pentax 645D
Category Advanced Mirrorless Pro DSLR
Announced 2015-05-19 2010-03-10
Body design SLR-style mirrorless Large SLR
Sensor Information
Processor Chip - Prime II
Sensor type CMOS CCD
Sensor size Four Thirds Medium format
Sensor dimensions 17.3 x 13mm 44 x 33mm
Sensor surface area 224.9mm² 1,452.0mm²
Sensor resolution 16MP 40MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3
Maximum resolution 4592 x 3448 7264 x 5440
Maximum native ISO 25600 1600
Min native ISO 100 200
RAW data
Min boosted ISO - 100
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 49 11
Lens
Lens mount Micro Four Thirds Pentax 645AF2
Total lenses 107 6
Crop factor 2.1 0.8
Screen
Display type Fully Articulated Fixed Type
Display diagonal 3 inches 3 inches
Display resolution 1,040k dot 921k dot
Selfie friendly
Liveview
Touch function
Display technology - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent 98 percent
Viewfinder magnification 0.7x 0.85x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Highest quiet shutter speed 1/16000 seconds -
Continuous shooting speed 7.0fps 1.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range 9.30 m no built-in flash
Flash settings Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
Auto exposure bracketing
White balance bracketing
Highest flash sync - 1/125 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 (30, 25, 24, 20fps) 1920 x 1080 (60, 50, 30, 25fps) 1280 x 720 (60, 50, 30, 25fps), 640 x 480 (30, 25fps -
Maximum video resolution 3840x2160 None
Video file format MPEG-4, AVCHD -
Mic input
Headphone input
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 seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 410 grams (0.90 pounds) 1480 grams (3.26 pounds)
Physical dimensions 125 x 86 x 77mm (4.9" x 3.4" x 3.0") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO All around score not tested 82
DXO Color Depth score not tested 24.6
DXO Dynamic range score not tested 12.6
DXO Low light score not tested 1262
Other
Battery life 350 shots 800 shots
Style of battery Battery Pack Battery Pack
Battery model - D-LI90
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC SD/SDHC
Storage slots 1 Two
Cost at launch $800 $4,000