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Olympus FE-45 vs Pentax 645D

Portability
95
Imaging
33
Features
14
Overall
25
Olympus FE-45 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Olympus FE-45 vs Pentax 645D Key Specs

Olympus FE-45
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 2.5" Fixed Display
  • ISO 64 - 1600
  • Digital Image Stabilization
  • 640 x 480 video
  • 36-108mm (F3.1-5.9) lens
  • 142g - 94 x 62 x 23mm
  • Announced January 2009
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
  • Replacement is Pentax 645Z
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Olympus FE-45 vs Pentax 645D Overview

Below, we will be comparing the Olympus FE-45 versus Pentax 645D, former being a Small Sensor Compact while the latter is a Pro DSLR by rivals Olympus and Pentax. There exists a noticeable gap between the image resolutions of the FE-45 (10MP) and 645D (40MP) and the FE-45 (1/2.3") and 645D (Medium format) enjoy totally different sensor sizes.

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The FE-45 was revealed 14 months before the 645D which makes the cameras a generation apart from one another. Each of the cameras come with different body type with the Olympus FE-45 being a Compact camera and the Pentax 645D being a Large SLR camera.

Before diving through a complete comparison, below is a simple overview of how the FE-45 matches up vs the 645D for portability, imaging, features and an overall grade.

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Reasons to pick Olympus FE-45 over the Pentax 645D

 FE-45 645D 

Reasons to pick Pentax 645D over the Olympus FE-45

 645D FE-45 
RevealedMarch 2010January 2009More recent by 14 months
Manual focus Dial accurate focus
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution921k230kCrisper screen (+691k dot)

Common features in the Olympus FE-45 and Pentax 645D

 FE-45 645D 
Screen typeFixed Fixed Fixed screen
Selfie screen Missing selfie screen
Touch friendly screen Neither contains Touch friendly screen

Olympus FE-45 vs Pentax 645D Physical Comparison

When you are planning to lug around your camera, you have to consider its weight and measurements. The Olympus FE-45 has got outside dimensions of 94mm x 62mm x 23mm (3.7" x 2.4" x 0.9") along with a weight of 142 grams (0.31 lbs) while the Pentax 645D has proportions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Check the Olympus FE-45 versus Pentax 645D in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will vary dependant on the lens you are utilizing at the time. Following is the front view measurement comparison of the FE-45 versus the 645D.

Olympus FE-45 vs Pentax 645D size comparison

Using dimensions and weight, the portability rating of the FE-45 and 645D is 95 and 50 respectively.

Olympus FE-45 vs Pentax 645D top view buttons comparison

Olympus FE-45 vs Pentax 645D Sensor Comparison

Sometimes, it is hard to see the contrast between sensor measurements merely by checking specs. The graphic underneath may offer you a far better sense of the sensor sizes in the FE-45 and 645D.

As you can plainly see, the 2 cameras posses different megapixel count and different sensor measurements. The FE-45 using its tinier sensor will make achieving shallower DOF trickier and the Pentax 645D will give extra detail because of its extra 30MP. Higher resolution will enable you to crop photographs somewhat more aggressively. The older FE-45 is going to be behind with regard to sensor tech.

Olympus FE-45 vs Pentax 645D sensor size comparison

Olympus FE-45 vs Pentax 645D Screen and ViewFinder

Olympus FE-45 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus FE-45 as a Portrait photography camera
Pentax 645D as a Portrait photography camera
19
no manual focus
manual mode not available
cannot use external flash
megapixel count low (10MP)
small sensor (1/2.3")
lacks RAW format
77
manual focus
MP count great (40MP)
great sensor size (Medium format)
supports RAW files
doesn't have liveview
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Street Comparison

Olympus FE-45 Street photography highlights
Pentax 645D Street photography highlights
56
image stabilization (Digital)
no articulating screen
small sensor (1/2.3")
lacks RAW format
58
great sensor size (Medium format)
supports RAW files
environment proofing
no articulating screen
no image stabilization
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Sports Comparison

Olympus FE-45 as a Sports photography camera
Pentax 645D as a Sports photography camera
26
image stabilization (Digital)
no shutter priority
megapixel count low (10 megapixels)
small sensor (1/2.3")
lacks phase detect AF
63
MP count great (40MP)
great sensor size (Medium format)
environment proofing
comes with phase detect AF
doesn't have liveview
slow fps (1.0 frames per second)
no image stabilization
terrible battery pack (800 shots)
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Travel Comparison

Olympus FE-45 Travel photography advice
Pentax 645D Travel photography advice
51
flash built-in
no Time Lapse function
megapixel count low (10 megapixels)
display is not selfie friendly
wide angle not fantastic (36mm)
sluggish maximum aperture (f3.1)
55
environment proofing
MP count great (40MP)
terrible battery pack (800 shots)
display isn't selfie friendly
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Landscape Comparison

Olympus FE-45 Landscape photography information
Pentax 645D Landscape photography information
27
image stabilization (Digital)
no manual focus
can't change lens (fixed lens mount)
wide angle not fantastic (36mm)
sluggish maximum aperture (f3.1)
screen is somewhat small (2.5 inch)
manual mode not available
megapixel count low (10MP)
small sensor (1/2.3")
lacks RAW format
no Time Lapse function
72
manual focus
interchangeable lenses (Pentax 645AF2 mount)
screen size is good (3 inch)
MP count great (40MP)
great sensor size (Medium format)
doesnt have low pass filter
supports RAW files
environment proofing
2 card slots
doesn't have liveview
no image stabilization
terrible battery pack (800 per charge)
Photography Glossary

Vlogging Comparison

Olympus FE-45 as a Vlogging camera
Pentax 645D as a Vlogging camera
25
image stabilization (Digital)
wide angle not fantastic (36mm)
sluggish maximum aperture (f3.1)
display is not selfie friendly
low quality video (640 x 480 pxls)
no mic socket
9
no video
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Olympus FE-45 vs Pentax 645D Specifications

Detailed spec comparison table for Olympus FE-45 and Pentax 645D
 Olympus FE-45Pentax 645D
General Information
Brand Name Olympus Pentax
Model Olympus FE-45 Pentax 645D
Class Small Sensor Compact Pro DSLR
Announced 2009-01-07 2010-03-10
Physical type Compact Large SLR
Sensor Information
Processor Chip - Prime II
Sensor type CCD CCD
Sensor size 1/2.3" Medium format
Sensor measurements 6.08 x 4.56mm 44 x 33mm
Sensor surface area 27.7mm² 1,452.0mm²
Sensor resolution 10 megapixels 40 megapixels
Anti aliasing filter
Aspect ratio 16:9, 4:3 and 3:2 4:3
Highest Possible resolution 3648 x 2736 7264 x 5440
Maximum native ISO 1600 1600
Minimum native ISO 64 200
RAW support
Minimum enhanced ISO - 100
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points - 11
Lens
Lens mount fixed lens Pentax 645AF2
Lens focal range 36-108mm (3.0x) -
Max aperture f/3.1-5.9 -
Macro focus distance 5cm -
Total lenses - 6
Focal length multiplier 5.9 0.8
Screen
Type of display Fixed Type Fixed Type
Display size 2.5 inch 3 inch
Resolution of display 230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch functionality
Display tech - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.85x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/2000 secs 1/4000 secs
Continuous shutter rate - 1.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Change white balance
Image stabilization
Built-in flash
Flash range - no built-in flash
Flash modes Auto, Fill-in, Red-Eye reduction, Off, On Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AE bracketing
WB bracketing
Max flash synchronize - 1/125 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) -
Maximum video resolution 640x480 None
Video format Motion JPEG -
Microphone support
Headphone support
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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 142 grams (0.31 lbs) 1480 grams (3.26 lbs)
Dimensions 94 x 62 x 23mm (3.7" x 2.4" x 0.9") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO Overall 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 - 800 pictures
Form of battery - Battery Pack
Battery model - D-LI90
Self timer Yes (12 seconds) Yes (2 or 10 sec)
Time lapse feature
Storage type xD-Picture Card, microSD, internal SD/SDHC
Card slots One Two
Price at release $130 $4,000