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Olympus SP-100 vs Pentax 645D

Portability
63
Imaging
40
Features
48
Overall
43
Olympus Stylus SP-100 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Olympus SP-100 vs Pentax 645D Key Specs

Olympus SP-100
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400 (Increase to 12800)
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-1200mm (F2.9-6.5) lens
  • 594g - 122 x 91 x 133mm
  • Announced January 2014
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
  • Released March 2010
  • Refreshed by Pentax 645Z
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Olympus SP-100 vs Pentax 645D Overview

The following is a in-depth analysis of the Olympus SP-100 and Pentax 645D, former is a Small Sensor Superzoom while the latter is a Pro DSLR by companies Olympus and Pentax. There is a sizable difference between the sensor resolutions of the SP-100 (16MP) and 645D (40MP) and the SP-100 (1/2.3") and 645D (Medium format) offer totally different sensor sizes.

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The SP-100 was manufactured 3 years after the 645D which is quite a significant difference as far as tech is concerned. Both the cameras have different body design with the Olympus SP-100 being a SLR-like (bridge) camera and the Pentax 645D being a Large SLR camera.

Before we go right into a complete comparison, here is a quick summary of how the SP-100 matches up versus the 645D in regards to portability, imaging, features and an overall mark.

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Reasons to pick Olympus SP-100 over the Pentax 645D

 SP-100 645D 
ReleasedJanuary 2014March 2010Newer by 48 months

Reasons to pick Pentax 645D over the Olympus SP-100

 645D SP-100 
Screen resolution921k460kCrisper screen (+461k dot)

Common features in the Olympus SP-100 and Pentax 645D

 SP-100 645D 
Manual focus Very precise focusing
Screen typeFixed Fixed Fixed screen
Screen dimensions3"3"Equal screen dimensions
Selfie screen Neither comes with selfie screen
Touch friendly screen Neither comes with Touch friendly screen

Olympus SP-100 vs Pentax 645D Physical Comparison

For anybody who is looking to travel with your camera, you should factor its weight and measurements. The Olympus SP-100 comes with external measurements of 122mm x 91mm x 133mm (4.8" x 3.6" x 5.2") and a weight of 594 grams (1.31 lbs) while the Pentax 645D has proportions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") with a weight of 1480 grams (3.26 lbs).

Contrast the Olympus SP-100 and Pentax 645D in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary based on the lens you are using during that time. The following is a front view measurement comparison of the SP-100 vs the 645D.

Olympus SP-100 vs Pentax 645D size comparison

Using size and weight, the portability rating of the SP-100 and 645D is 63 and 50 respectively.

Olympus SP-100 vs Pentax 645D top view buttons comparison

Olympus SP-100 vs Pentax 645D Sensor Comparison

Oftentimes, it is very hard to envision the gap between sensor dimensions just by reading a spec sheet. The pic here should offer you a clearer sense of the sensor measurements in the SP-100 and 645D.

As you can see, the 2 cameras have different resolutions and different sensor dimensions. The SP-100 because of its tinier sensor will make shooting bokeh more difficult and the Pentax 645D will deliver extra detail due to its extra 24 Megapixels. Higher resolution will enable you to crop shots a bit more aggressively. The fresher SP-100 is going to have a benefit in sensor technology.

Olympus SP-100 vs Pentax 645D sensor size comparison

Olympus SP-100 vs Pentax 645D Screen and ViewFinder

Olympus SP-100 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus SP-100 Portrait photography advice
Pentax 645D Portrait photography advice
44
focusing manually
good megapixels (16MP)
offers face detection autofocus
external flash not possible
sensor is very small (1/2.3")
doesn't have RAW format
77
has manual focus
excellent megapixels (40 megapixels)
sensor size is great (Medium format)
supports RAW formats
no liveview
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Street Comparison

Olympus SP-100 as a Street photography camera
Pentax 645D as a Street photography camera
42
has image stabilization (Optical)
no articulating screen
sensor is very small (1/2.3")
doesn't have RAW format
more heavy than competition in class (594g)
58
sensor size is great (Medium format)
supports RAW formats
weather proof
no moving screen
does not have image stabilization
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Sports Comparison

Olympus SP-100 as a Sports photography camera
Pentax 645D as a Sports photography camera
53
long zoom range (24-1200mm 50.0 x zoom)
has image stabilization (Optical)
good megapixels (16MP)
offers tracking autofocus
sensor is very small (1/2.3")
doesn't have phase detect autofocus
63
excellent megapixels (40 megapixels)
sensor size is great (Medium format)
weather proof
sensor has phase detect auto focus
no liveview
low frames per second (1.0 frames/s)
does not have image stabilization
bad battery pack (800 CIPA)
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Travel Comparison

Olympus SP-100 Travel photography details
Pentax 645D Travel photography details
53
good megapixels (16MP)
flash built-in
fairly wide (24mm)
long zoom (1200mm)
doesn't have Timelapse recording
more heavy than competition in class (594g)
does not have a selfie friendly display
sluggish maximum aperture (f2.9)
55
weather proof
excellent megapixels (40MP)
bad battery pack (800 CIPA)
display is not selfie friendly
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Landscape Comparison

Olympus SP-100 as a Landscape photography camera
Pentax 645D as a Landscape photography camera
47
focusing manually
fairly wide (24mm)
screen size is good (3")
has image stabilization (Optical)
good megapixels (16 megapixels)
cannot switch lens (fixed lens mount)
sluggish maximum aperture (f2.9)
sensor is very small (1/2.3")
doesn't have RAW format
doesn't have Timelapse recording
72
has manual focus
interchangeable lenses (Pentax 645AF2 mount)
good sized screen (3 inch)
excellent megapixels (40MP)
sensor size is great (Medium format)
does not have anti-alias filter
supports RAW formats
weather proof
two card slots
no liveview
does not have image stabilization
bad battery pack (800 CIPA)
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Vlogging Comparison

Olympus SP-100 Vlogging details
Pentax 645D Vlogging details
29
fairly wide (24mm)
has image stabilization (Optical)
offers face detection autofocus
video res high (1920 x 1080 resolution)
does have external microphone support
sluggish maximum aperture (f2.9)
does not have a selfie friendly display
more heavy than competition in class (594 grams)
9
lack of video recording
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Olympus SP-100 vs Pentax 645D Specifications

Detailed spec comparison table for Olympus SP-100 and Pentax 645D
 Olympus Stylus SP-100Pentax 645D
General Information
Company Olympus Pentax
Model type Olympus Stylus SP-100 Pentax 645D
Type Small Sensor Superzoom Pro DSLR
Announced 2014-01-29 2010-03-10
Physical type SLR-like (bridge) Large SLR
Sensor Information
Chip - Prime II
Sensor type BSI-CMOS CCD
Sensor size 1/2.3" Medium format
Sensor dimensions 6.17 x 4.55mm 44 x 33mm
Sensor area 28.1mm² 1,452.0mm²
Sensor resolution 16 megapixels 40 megapixels
Anti alias filter
Aspect ratio 4:3 4:3
Highest Possible resolution 4608 x 3456 7264 x 5440
Maximum native ISO 6400 1600
Maximum enhanced ISO 12800 -
Min native ISO 125 200
RAW format
Min enhanced ISO - 100
Autofocusing
Manual focusing
Touch focus
AF continuous
AF single
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points - 11
Cross type focus points - -
Lens
Lens support fixed lens Pentax 645AF2
Lens zoom range 24-1200mm (50.0x) -
Maximal aperture f/2.9-6.5 -
Macro focusing range 1cm -
Amount of lenses - 6
Crop factor 5.8 0.8
Screen
Type of display Fixed Type Fixed Type
Display diagonal 3 inch 3 inch
Resolution of display 460 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch functionality
Display technology TFT LCD TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 920 thousand dots -
Viewfinder coverage - 98%
Viewfinder magnification - 0.85x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/1700 seconds 1/4000 seconds
Continuous shutter rate 7.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance - no built-in flash
Flash options Auto, Red Eye Reduction, Fill-in, Off Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AEB
WB bracketing
Max flash synchronize - 1/125 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60p, 30p), 1280 x 720 (60p), 640 x 480 (30 fps) -
Maximum video resolution 1920x1080 None
Video data format H.264 -
Mic port
Headphone port
Connectivity
Wireless Optional 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 594 grams (1.31 pounds) 1480 grams (3.26 pounds)
Physical dimensions 122 x 91 x 133mm (4.8" x 3.6" x 5.2") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO Overall 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 330 photos 800 photos
Form of battery Battery Pack Battery Pack
Battery ID LI-92B D-LI90
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC/SDXC, internal SD/SDHC
Card slots 1 Dual
Price at release $400 $4,000