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Panasonic FX75 vs Pentax 645D

Portability
94
Imaging
37
Features
32
Overall
35
Panasonic Lumix DMC-FX75 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Panasonic FX75 vs Pentax 645D Key Specs

Panasonic FX75
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • Optical Image Stabilization
  • 1280 x 720 video
  • 24-120mm (F2.2-5.9) lens
  • 165g - 103 x 55 x 23mm
  • Launched June 2010
  • Other Name is Lumix DMC-FX70
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Screen
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Revealed March 2010
  • Newer Model is Pentax 645Z
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Panasonic FX75 vs Pentax 645D Overview

Its time to look closer at the Panasonic FX75 versus Pentax 645D, one being a Small Sensor Compact and the latter is a Pro DSLR by rivals Panasonic and Pentax. There is a significant difference among the image resolutions of the FX75 (14MP) and 645D (40MP) and the FX75 (1/2.3") and 645D (Medium format) use different sensor size.

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The FX75 was manufactured 3 months later than the 645D so they are both of a similar generation. The two cameras offer different body type with the Panasonic FX75 being a Compact camera and the Pentax 645D being a Large SLR camera.

Before getting straight into a more detailed comparison, below is a quick synopsis of how the FX75 grades against the 645D in relation to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Panasonic FX75 over the Pentax 645D

 FX75 645D 
Touch screen Quickly navigate

Reasons to pick Pentax 645D over the Panasonic FX75

 645D FX75 
Manually focus More precise focusing
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution921k230kCrisper screen (+691k dot)

Common features in the Panasonic FX75 and Pentax 645D

 FX75 645D 
RevealedJune 2010March 2010Same generation
Screen typeFixed Fixed Fixed screen
Selfie screen Neither includes selfie screen

Panasonic FX75 vs Pentax 645D Physical Comparison

When you are aiming to carry your camera, you'll have to think about its weight and proportions. The Panasonic FX75 features outside dimensions of 103mm x 55mm x 23mm (4.1" x 2.2" x 0.9") with a weight of 165 grams (0.36 lbs) while the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") with a weight of 1480 grams (3.26 lbs).

Compare the Panasonic FX75 versus Pentax 645D in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing during that time. Following is the front view measurement comparison of the FX75 against the 645D.

Panasonic FX75 vs Pentax 645D size comparison

Taking into consideration size and weight, the portability rating of the FX75 and 645D is 94 and 50 respectively.

Panasonic FX75 vs Pentax 645D top view buttons comparison

Panasonic FX75 vs Pentax 645D Sensor Comparison

Usually, its difficult to picture the contrast in sensor sizing just by researching technical specs. The visual underneath should offer you a much better sense of the sensor dimensions in the FX75 and 645D.

As you have seen, both of those cameras offer different megapixel count and different sensor sizing. The FX75 due to its smaller sensor is going to make getting shallow depth of field more difficult and the Pentax 645D will provide you with greater detail due to its extra 26 Megapixels. Higher resolution can also enable you to crop photographs a little more aggressively.

Panasonic FX75 vs Pentax 645D sensor size comparison

Panasonic FX75 vs Pentax 645D Screen and ViewFinder

Panasonic FX75 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic FX75 Portrait photography factors
Pentax 645D Portrait photography factors
28
good megapixels (14MP)
focusing manually not possible
manual exposure not possible
can't use external flash
small sensor size (1/2.3")
lacks RAW support
77
manual focus
sensor resolution is excellent (40MP)
sensor size is great (Medium format)
exports RAW formats
no liveview feature
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Street Comparison

Panasonic FX75 Street photography details
Pentax 645D Street photography details
62
image stabilization (Optical)
has touch to focus
screen is fixed
small sensor size (1/2.3")
lacks RAW support
58
sensor size is great (Medium format)
exports RAW formats
environment sealing
fixed screen
does not have image stabilization
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Sports Comparison

Panasonic FX75 as a Sports photography camera
Pentax 645D as a Sports photography camera
39
image stabilization (Optical)
good megapixels (14 megapixels)
supports tracking focus
painfully slow continuous shooting (2.0 fps)
no shutter priority
small sensor size (1/2.3")
lacks phase detect auto focus
63
sensor resolution is excellent (40 megapixels)
sensor size is great (Medium format)
environment sealing
has phase detect autofocus
no liveview feature
max fps very slow (1.0 frames per second)
does not have image stabilization
low battery power (800 CIPA)
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Travel Comparison

Panasonic FX75 Travel photography advice
Pentax 645D Travel photography advice
67
has touch to focus
good megapixels (14 megapixels)
has built in flash
quite wide (24mm)
missing Time Lapse function
doesn't have selfie friendly display
slow maximum aperture (f2.2)
55
environment sealing
sensor resolution is excellent (40MP)
low battery power (800 CIPA)
screen is not selfie friendly
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Landscape Comparison

Panasonic FX75 Landscape photography highlights
Pentax 645D Landscape photography highlights
37
quite wide (24mm)
image stabilization (Optical)
good megapixels (14MP)
focusing manually not possible
lens is fixed (fixed lens mount)
slow maximum aperture (f2.2)
tiny screen (2.7")
manual exposure not possible
small sensor size (1/2.3")
lacks RAW support
missing Time Lapse function
72
manual focus
swap lenses (Pentax 645AF2 mount)
screen size is good (3")
sensor resolution is excellent (40MP)
sensor size is great (Medium format)
doesnt have anti-alias filter
exports RAW formats
environment sealing
has double storage slots
no liveview feature
does not have image stabilization
low battery power (800 CIPA)
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Vlogging Comparison

Panasonic FX75 as a Vlogging camera
Pentax 645D as a Vlogging camera
31
quite wide (24mm)
touchscreen capability
image stabilization (Optical)
slow maximum aperture (f2.2)
doesn't have selfie friendly display
video resolution low (1280 x 720 pixels)
missing mic port
9
no video shooting
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Panasonic FX75 vs Pentax 645D Specifications

Detailed spec comparison table for Panasonic FX75 and Pentax 645D
 Panasonic Lumix DMC-FX75Pentax 645D
General Information
Brand Panasonic Pentax
Model type Panasonic Lumix DMC-FX75 Pentax 645D
Also called Lumix DMC-FX70 -
Class Small Sensor Compact Pro DSLR
Launched 2010-06-01 2010-03-10
Body design Compact Large SLR
Sensor Information
Chip Venus Engine HD II Prime II
Sensor type CCD CCD
Sensor size 1/2.3" Medium format
Sensor dimensions 6.08 x 4.56mm 44 x 33mm
Sensor area 27.7mm² 1,452.0mm²
Sensor resolution 14 megapixel 40 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3
Full resolution 4320 x 3240 7264 x 5440
Max native ISO 6400 1600
Lowest native ISO 80 200
RAW data
Lowest boosted ISO - 100
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points - 11
Lens
Lens mount type fixed lens Pentax 645AF2
Lens zoom range 24-120mm (5.0x) -
Highest aperture f/2.2-5.9 -
Macro focusing range 3cm -
Amount of lenses - 6
Focal length multiplier 5.9 0.8
Screen
Range of screen Fixed Type Fixed Type
Screen size 2.7 inches 3 inches
Resolution of screen 230k dot 921k dot
Selfie friendly
Liveview
Touch operation
Screen technology - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/2000s 1/4000s
Continuous shooting speed 2.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance 7.40 m no built-in flash
Flash options Auto, On, Off, Red-Eye reduction, Slow Sync Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
Auto exposure bracketing
White balance bracketing
Highest flash sync - 1/125s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) -
Max video resolution 1280x720 None
Video format AVCHD Lite, Motion JPEG -
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 165 grams (0.36 lbs) 1480 grams (3.26 lbs)
Dimensions 103 x 55 x 23mm (4.1" x 2.2" x 0.9") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO All around rating not tested 82
DXO Color Depth rating not tested 24.6
DXO Dynamic range rating not tested 12.6
DXO Low light rating not tested 1262
Other
Battery life - 800 photographs
Battery form - Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/SDXC, Internal SD/SDHC
Storage slots Single 2
Launch price $139 $4,000