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Olympus SP-100 vs Pentax 645Z

Portability
63
Imaging
40
Features
48
Overall
43
Olympus Stylus SP-100 front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Olympus SP-100 vs Pentax 645Z Key Specs

Olympus SP-100
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400 (Boost to 12800)
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-1200mm (F2.9-6.5) lens
  • 594g - 122 x 91 x 133mm
  • Revealed January 2014
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Introduced April 2014
  • Old Model is Pentax 645D
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Olympus SP-100 vs Pentax 645Z Overview

On this page, we will be matching up the Olympus SP-100 and Pentax 645Z, one is a Small Sensor Superzoom and the latter is a Pro DSLR by manufacturers Olympus and Pentax. There exists a big gap among the image resolutions of the SP-100 (16MP) and 645Z (51MP) and the SP-100 (1/2.3") and 645Z (Medium format) provide totally different sensor sizing.

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The SP-100 was launched 2 months earlier than the 645Z so they are of a similar generation. Both cameras have different body design with the Olympus SP-100 being a SLR-like (bridge) camera and the Pentax 645Z being a Large SLR camera.

Before going into a complete comparison, here is a concise view of how the SP-100 matches up versus the 645Z in regards to portability, imaging, features and an overall score.

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

 SP-100 645Z 

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

 645Z SP-100 
Screen typeTiltingFixed Tilting screen
Screen dimensions3.2"3"Bigger screen (+0.2")
Screen resolution1037k460kClearer screen (+577k dot)

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

 SP-100 645Z 
IntroducedJanuary 2014April 2014Same generation
Manually focus Very accurate focusing
Selfie screen Neither provides selfie screen
Touch screen Lacking Touch screen

Olympus SP-100 vs Pentax 645Z Physical Comparison

For those who are looking to carry around your camera, you will want to think about its weight and volume. The Olympus SP-100 provides outer dimensions of 122mm x 91mm x 133mm (4.8" x 3.6" x 5.2") accompanied by a weight of 594 grams (1.31 lbs) whilst the Pentax 645Z has sizing of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).

Look at the Olympus SP-100 and Pentax 645Z in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you are utilising at that time. Following is a front view measurement comparison of the SP-100 versus the 645Z.

Olympus SP-100 vs Pentax 645Z size comparison

Factoring in dimensions and weight, the portability rating of the SP-100 and 645Z is 63 and 49 respectively.

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

Olympus SP-100 vs Pentax 645Z Sensor Comparison

More often than not, it can be difficult to envision the contrast in sensor sizes simply by researching specifications. The image here should offer you a more clear sense of the sensor sizes in the SP-100 and 645Z.

To sum up, each of these cameras have different megapixels and different sensor sizes. The SP-100 due to its smaller sensor will make getting shallower DOF more difficult and the Pentax 645Z will result in extra detail utilizing its extra 35MP. Higher resolution will make it easier to crop photographs a bit more aggressively.

Olympus SP-100 vs Pentax 645Z sensor size comparison

Olympus SP-100 vs Pentax 645Z Screen and ViewFinder

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

Portrait Comparison

Portrait photography with Olympus SP-100
Portrait photography with Pentax 645Z
44
has manual focus
decent megapixels (16 megapixels)
provides face detect autofocus
can't use external flash
sensor size is very small (1/2.3")
has no RAW format
88
focusing manually
megapixel count fantastic (51MP)
sensor size is big (Medium format)
comes with face detect autofocus
delivers RAW formats
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Street Comparison

Street photography with Olympus SP-100
Street photography with Pentax 645Z
42
has image stabilization (Optical)
fixed screen
sensor size is very small (1/2.3")
has no RAW format
heavier than others (594 grams)
63
screen tilts
sensor size is big (Medium format)
delivers RAW formats
weather sealing
great high ISO (204,800)
does not have image stabilization
more heavy than average in class (1,550 grams)
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Sports Comparison

Olympus SP-100 Sports photography features
Pentax 645Z Sports photography features
53
incredible zoom range (24-1200mm 50.0 x zoom)
has image stabilization (Optical)
decent megapixels (16MP)
provides tracking focus
sensor size is very small (1/2.3")
has no phase detect autofocus
71
megapixel count fantastic (51MP)
sensor size is big (Medium format)
comes with tracking focus
weather sealing
comes with phase detect autofocus
continuous shooting slow (3.0 frames/s)
does not have image stabilization
low battery life (650 per charge)
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Travel Comparison

Olympus SP-100 Travel photography features
Pentax 645Z Travel photography features
53
decent megapixels (16MP)
has built in flash
reasonably wide (24mm)
long reach (1200mm)
does not have Time Lapse mode
heavier than others (594g)
doesn't feature selfie friendly screen
sluggish maximum aperture (f2.9)
51
weather sealing
megapixel count fantastic (51 megapixels)
low battery life (650 CIPA)
more heavy than average in class (1,550g)
does not posses selfie friendly display
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Landscape Comparison

Landscape photography with Olympus SP-100
Landscape photography with Pentax 645Z
47
has manual focus
reasonably wide (24mm)
screen size is good (3 inch)
has image stabilization (Optical)
decent megapixels (16MP)
lens is fixed (fixed lens mount)
sluggish maximum aperture (f2.9)
sensor size is very small (1/2.3")
has no RAW format
does not have Time Lapse mode
78
focusing manually
interchangeable lenses (Pentax 645AF2 mount)
pretty good screen size (3.2")
megapixel count fantastic (51MP)
sensor size is big (Medium format)
no anti-alias filter
great high ISO (204,800)
delivers RAW formats
weather sealing
2 card slots
does not have image stabilization
low battery life (650 CIPA)
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Vlogging Comparison

Vlogging with Olympus SP-100
Vlogging with Pentax 645Z
29
reasonably wide (24mm)
has image stabilization (Optical)
provides face detect autofocus
high res video (1920 x 1080 resolution)
does have mic port
sluggish maximum aperture (f2.9)
doesn't feature selfie friendly screen
heavier than others (594g)
27
comes with face detect autofocus
high res video (1920 x 1080 pxls)
does have microphone support
does not posses selfie friendly display
does not have image stabilization
more heavy than average in class (1,550 grams)
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Olympus SP-100 vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus SP-100 and Pentax 645Z
 Olympus Stylus SP-100Pentax 645Z
General Information
Brand Olympus Pentax
Model type Olympus Stylus SP-100 Pentax 645Z
Class Small Sensor Superzoom Pro DSLR
Revealed 2014-01-29 2014-04-15
Physical type SLR-like (bridge) Large SLR
Sensor Information
Processor Chip - PRIME III
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" Medium format
Sensor measurements 6.17 x 4.55mm 44 x 33mm
Sensor area 28.1mm² 1,452.0mm²
Sensor resolution 16 megapixels 51 megapixels
Anti alias filter
Aspect ratio 4:3 4:3
Peak resolution 4608 x 3456 8256 x 6192
Highest native ISO 6400 204800
Highest enhanced ISO 12800 -
Minimum native ISO 125 100
RAW images
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points - 27
Cross type focus points - -
Lens
Lens mount type fixed lens Pentax 645AF2
Lens zoom range 24-1200mm (50.0x) -
Maximum aperture f/2.9-6.5 -
Macro focusing distance 1cm -
Total lenses - 6
Crop factor 5.8 0.8
Screen
Type of display Fixed Type Tilting
Display size 3 inch 3.2 inch
Display resolution 460k dots 1,037k dots
Selfie friendly
Liveview
Touch friendly
Display tech TFT LCD -
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 920k dots -
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/1700s 1/4000s
Continuous shutter rate 7.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash distance - no built-in flash
Flash settings Auto, Red Eye Reduction, Fill-in, Off Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync
Hot shoe
AEB
WB bracketing
Fastest flash synchronize - 1/125s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60p, 30p), 1280 x 720 (60p), 640 x 480 (30 fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Highest video resolution 1920x1080 1920x1080
Video format H.264 MPEG-4, H.264
Microphone support
Headphone support
Connectivity
Wireless Optional None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 594g (1.31 lbs) 1550g (3.42 lbs)
Physical dimensions 122 x 91 x 133mm (4.8" x 3.6" x 5.2") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO Overall rating not tested 101
DXO Color Depth rating not tested 26.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 4505
Other
Battery life 330 shots 650 shots
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 secs)
Time lapse feature
Storage type SD/SDHC/SDXC, internal Dual SD/SDHC/SDXC slots
Card slots Single Dual
Cost at release $400 $5,024