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Panasonic FX90 vs Pentax 645D

Portability
95
Imaging
35
Features
34
Overall
34
Panasonic Lumix DMC-FX90 front
 
Pentax 645D front
Portability
50
Imaging
75
Features
52
Overall
65

Panasonic FX90 vs Pentax 645D Key Specs

Panasonic FX90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-120mm (F2.5-5.9) lens
  • 149g - 102 x 56 x 22mm
  • Revealed August 2011
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
  • Announced March 2010
  • Refreshed by Pentax 645Z
Photography Glossary

Panasonic FX90 vs Pentax 645D Overview

The following is a in depth review of the Panasonic FX90 and Pentax 645D, one is a Small Sensor Compact and the other is a Pro DSLR by competitors Panasonic and Pentax. There is a big difference among the resolutions of the FX90 (12MP) and 645D (40MP) and the FX90 (1/2.3") and 645D (Medium format) boast totally different sensor size.

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The FX90 was unveiled 18 months after the 645D making them a generation away from each other. Both cameras feature different body design with the Panasonic FX90 being a Compact camera and the Pentax 645D being a Large SLR camera.

Before delving right into a full comparison, here is a quick highlight of how the FX90 grades vs the 645D with respect to portability, imaging, features and an overall mark.

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Reasons to pick Panasonic FX90 over the Pentax 645D

 FX90 645D 
AnnouncedAugust 2011March 2010Newer by 18 months
Touch friendly display Easily navigate

Reasons to pick Pentax 645D over the Panasonic FX90

 645D FX90 
Focus manually Dial exact focus
Display resolution921k460kCrisper display (+461k dot)

Common features in the Panasonic FX90 and Pentax 645D

 FX90 645D 
Display typeFixed Fixed Fixed display
Display size3"3"Same display size
Selfie screen Neither contains selfie screen

Panasonic FX90 vs Pentax 645D Physical Comparison

If you're aiming to travel with your camera frequently, you will need to think about its weight and volume. The Panasonic FX90 has got outside dimensions of 102mm x 56mm x 22mm (4.0" x 2.2" x 0.9") and a weight of 149 grams (0.33 lbs) and the Pentax 645D has sizing 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 FX90 and Pentax 645D in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you have attached at that time. Here is a front view sizing comparison of the FX90 versus the 645D.

Panasonic FX90 vs Pentax 645D size comparison

Taking into consideration size and weight, the portability grade of the FX90 and 645D is 95 and 50 respectively.

Panasonic FX90 vs Pentax 645D top view buttons comparison

Panasonic FX90 vs Pentax 645D Sensor Comparison

Often, it's difficult to see the contrast in sensor dimensions simply by going through a spec sheet. The pic underneath will give you a stronger sense of the sensor sizes in the FX90 and 645D.

As you can see, both of these cameras come with different megapixels and different sensor dimensions. The FX90 with its smaller sensor will make shooting bokeh trickier and the Pentax 645D will produce greater detail having an extra 28MP. Greater resolution can also let you crop images a good deal more aggressively. The more modern FX90 will have an advantage in sensor tech.

Panasonic FX90 vs Pentax 645D sensor size comparison

Panasonic FX90 vs Pentax 645D Screen and ViewFinder

Panasonic FX90 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Panasonic FX90
Portrait photography with Pentax 645D
21
lack of manual focus
no manual control
no external flash support
sensor resolution low (12 megapixels)
very small sensor (1/2.3")
has no RAW format
77
you can focus manually
megapixel count excellent (40 megapixels)
large sensor size (Medium format)
saves RAW formats
no liveview feature
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Street Comparison

Panasonic FX90 Street photography details
Pentax 645D Street photography details
62
built in image stabilization (Optical)
features focus by touch
screen does not articulate
very small sensor (1/2.3")
has no RAW format
58
large sensor size (Medium format)
saves RAW formats
environment proof
fixed screen
does not have image stabilization
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Sports Comparison

Panasonic FX90 Sports photography highlights
Pentax 645D Sports photography highlights
30
built in image stabilization (Optical)
has tracking focus
very slow continuous shooting (4.0 frames/s)
no shutter priority
sensor resolution low (12 megapixels)
very small sensor (1/2.3")
not so great battery life (200 per charge)
has no phase detect autofocus
62
megapixel count excellent (40 megapixels)
large sensor size (Medium format)
environment proof
has phase detect autofocus
no liveview feature
slow continuous shooting (1.0 frames/s)
does not have image stabilization
low battery (800 CIPA)
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Travel Comparison

Panasonic FX90 Travel photography highlights
Pentax 645D Travel photography highlights
60
features focus by touch
flash built-in
relatively wide (24mm)
doesn't have Time Lapse mode
not so great battery life (200 shots)
sensor resolution low (12MP)
display isn't selfie friendly
slow max aperture (f2.5)
55
environment proof
megapixel count excellent (40MP)
low battery (800 shots)
doesn't have selfie friendly screen
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Landscape Comparison

Panasonic FX90 Landscape photography details
Pentax 645D Landscape photography details
36
relatively wide (24mm)
nice screen size (3 inches)
built in image stabilization (Optical)
lack of manual focus
cannot change lens (fixed lens mount)
slow max aperture (f2.5)
no manual control
sensor resolution low (12MP)
very small sensor (1/2.3")
has no RAW format
not so great battery life (200 per charge)
doesn't have Time Lapse mode
72
you can focus manually
swap lenses (Pentax 645AF2 mount)
pretty good screen size (3 inches)
megapixel count excellent (40 megapixels)
large sensor size (Medium format)
doesnt have anti-alias filter
saves RAW formats
environment proof
has dual storage slots
no liveview feature
does not have image stabilization
low battery (800 CIPA)
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Vlogging Comparison

Panasonic FX90 Vlogging highlights
Pentax 645D Vlogging highlights
33
relatively wide (24mm)
touchscreen functionality
built in image stabilization (Optical)
video resolution high (1920 x 1080 pxls)
slow max aperture (f2.5)
display isn't selfie friendly
doesn't have mic support
9
lack of video recording
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Panasonic FX90 vs Pentax 645D Specifications

Detailed spec comparison table for Panasonic FX90 and Pentax 645D
 Panasonic Lumix DMC-FX90Pentax 645D
General Information
Company Panasonic Pentax
Model type Panasonic Lumix DMC-FX90 Pentax 645D
Class Small Sensor Compact Pro DSLR
Revealed 2011-08-26 2010-03-10
Body design Compact Large SLR
Sensor Information
Processor Chip - 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 12MP 40MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3
Highest resolution 4000 x 3000 7264 x 5440
Highest native ISO 6400 1600
Minimum native ISO 80 200
RAW images
Minimum boosted ISO - 100
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 23 11
Lens
Lens support fixed lens Pentax 645AF2
Lens zoom range 24-120mm (5.0x) -
Max aperture f/2.5-5.9 -
Macro focusing range 3cm -
Total lenses - 6
Focal length multiplier 5.9 0.8
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3 inch 3 inch
Screen resolution 460 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch capability
Screen technology TFT LCD TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.85x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/4000s 1/4000s
Continuous shooting speed 4.0fps 1.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Change white balance
Image stabilization
Built-in flash
Flash distance 5.90 m no built-in flash
Flash modes Auto, On, Off, Red-Eye reduction, Slow Sync Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AE bracketing
White balance bracketing
Maximum flash sync - 1/125s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60, 30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) -
Highest video resolution 1920x1080 None
Video 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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 149 gr (0.33 lbs) 1480 gr (3.26 lbs)
Physical dimensions 102 x 56 x 22mm (4.0" 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 200 images 800 images
Type of battery Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC, Internal SD/SDHC
Storage slots 1 Two
Launch pricing $227 $4,000