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Olympus SP-620 UZ vs Pentax 645Z

Portability
78
Imaging
39
Features
36
Overall
37
Olympus SP-620 UZ front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Olympus SP-620 UZ vs Pentax 645Z Key Specs

Olympus SP-620 UZ
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 3200
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 25-525mm (F3.1-5.8) lens
  • 435g - 110 x 74 x 74mm
  • Launched January 2012
  • Earlier Model is Olympus SP-610UZ
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
  • Revealed April 2014
  • Succeeded the Pentax 645D
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Olympus SP-620 UZ vs Pentax 645Z Overview

In this write-up, we will be analyzing the Olympus SP-620 UZ versus Pentax 645Z, former being a Small Sensor Superzoom while the latter is a Pro DSLR by manufacturers Olympus and Pentax. There exists a noticeable gap between the sensor resolutions of the SP-620 UZ (16MP) and 645Z (51MP) and the SP-620 UZ (1/2.3") and 645Z (Medium format) feature different sensor sizes.

Photography Glossary

The SP-620 UZ was brought out 3 years before the 645Z and that is quite a sizable difference as far as technology is concerned. Both of these cameras offer different body type with the Olympus SP-620 UZ being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before going in to a in depth comparison, below is a brief view of how the SP-620 UZ scores against the 645Z when considering portability, imaging, features and an overall grade.

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Reasons to pick Olympus SP-620 UZ over the Pentax 645Z

 SP-620 UZ 645Z 

Reasons to pick Pentax 645Z over the Olympus SP-620 UZ

 645Z SP-620 UZ 
RevealedApril 2014January 2012More recent by 27 months
Manual focus Very accurate focusing
Screen typeTiltingFixed Tilting screen
Screen sizing3.2"3"Bigger screen (+0.2")
Screen resolution1037k230kClearer screen (+807k dot)

Common features in the Olympus SP-620 UZ and Pentax 645Z

 SP-620 UZ 645Z 
Selfie screen Lacking selfie screen
Touch screen Lacking Touch screen

Olympus SP-620 UZ vs Pentax 645Z Physical Comparison

When you are aiming to lug around your camera, you have to factor its weight and proportions. The Olympus SP-620 UZ has got physical measurements of 110mm x 74mm x 74mm (4.3" x 2.9" x 2.9") and a weight of 435 grams (0.96 lbs) and the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs).

Compare the Olympus SP-620 UZ versus Pentax 645Z in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change dependant on the lens you are using at the time. Following is the front view size comparison of the SP-620 UZ against the 645Z.

Olympus SP-620 UZ vs Pentax 645Z size comparison

Considering dimensions and weight, the portability rating of the SP-620 UZ and 645Z is 78 and 49 respectively.

Olympus SP-620 UZ vs Pentax 645Z top view buttons comparison

Olympus SP-620 UZ vs Pentax 645Z Sensor Comparison

Quite often, it can be hard to imagine the difference between sensor measurements just by going over specifications. The graphic here may provide you a much better sense of the sensor measurements in the SP-620 UZ and 645Z.

To sum up, each of the cameras enjoy different megapixels and different sensor measurements. The SP-620 UZ due to its tinier sensor is going to make shooting shallower depth of field harder and the Pentax 645Z will offer greater detail having its extra 35MP. Higher resolution will help you crop pictures far more aggressively. The older SP-620 UZ is going to be behind when it comes to sensor innovation.

Olympus SP-620 UZ vs Pentax 645Z sensor size comparison

Olympus SP-620 UZ vs Pentax 645Z Screen and ViewFinder

Olympus SP-620 UZ vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus SP-620 UZ Portrait photography information
Pentax 645Z Portrait photography information
34
good megapixels (16 megapixels)
offers face detect focusing
focusing manually not possible
lack of manual exposure
cannot use external flash
sensor is tiny (1/2.3")
lacks RAW format
88
you can focus manually
megapixel count fantastic (51MP)
large sensor size (Medium format)
offers face detection focus
saves RAW formats
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Street Comparison

Olympus SP-620 UZ Street photography features
Pentax 645Z Street photography features
50
image stabilization (Sensor-shift)
no moving screen
sensor is tiny (1/2.3")
lacks RAW format
63
has a tilting screen
large sensor size (Medium format)
saves RAW formats
environment proof
above average ISO range (204,800)
no image stabilization
more heavy than others in class (1,550g)
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Sports Comparison

Olympus SP-620 UZ as a Sports photography camera
Pentax 645Z as a Sports photography camera
48
long zoom range (25-525mm 21.0 x zoom)
image stabilization (Sensor-shift)
good megapixels (16MP)
offers tracking focus
no shutter priority mode
sensor is tiny (1/2.3")
lacks phase detect AF
71
megapixel count fantastic (51MP)
large sensor size (Medium format)
offers tracking autofocus
environment proof
sensor has phase detect auto focus
slow continuous shooting (3.0 frames/s)
no image stabilization
bad battery (650 CIPA)
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Travel Comparison

Travel photography with Olympus SP-620 UZ
Travel photography with Pentax 645Z
61
good megapixels (16MP)
built-in flash
relatively wide (25mm)
great zoom (525mm)
missing Timelapse function
doesn't offer selfie friendly display
slow maximum aperture (f3.1)
51
environment proof
megapixel count fantastic (51 megapixels)
bad battery (650 per charge)
more heavy than others in class (1,550g)
display is not selfie friendly
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Landscape Comparison

Olympus SP-620 UZ Landscape photography advice
Pentax 645Z Landscape photography advice
41
relatively wide (25mm)
screen size is good (3")
image stabilization (Sensor-shift)
good megapixels (16MP)
focusing manually not possible
cannot change lens (fixed lens mount)
slow maximum aperture (f3.1)
lack of manual exposure
sensor is tiny (1/2.3")
lacks RAW format
missing Timelapse function
78
you can focus manually
interchangeable lenses (Pentax 645AF2 mount)
screen size is good (3.2 inches)
megapixel count fantastic (51 megapixels)
large sensor size (Medium format)
does not have low pass filter
above average ISO range (204,800)
saves RAW formats
environment proof
two card slots
no image stabilization
bad battery (650 shots)
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Vlogging Comparison

Olympus SP-620 UZ as a Vlogging camera
Pentax 645Z as a Vlogging camera
28
relatively wide (25mm)
image stabilization (Sensor-shift)
offers face detect focusing
slow maximum aperture (f3.1)
doesn't offer selfie friendly display
low quality video (1280 x 720 resolution)
missing microphone socket
27
offers face detection focus
high res video (1920 x 1080 pixels)
includes external microphone socket
display is not selfie friendly
no image stabilization
more heavy than others in class (1,550 grams)
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Olympus SP-620 UZ vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus SP-620 UZ and Pentax 645Z
 Olympus SP-620 UZPentax 645Z
General Information
Manufacturer Olympus Pentax
Model type Olympus SP-620 UZ Pentax 645Z
Class Small Sensor Superzoom Pro DSLR
Launched 2012-01-10 2014-04-15
Physical type Compact Large SLR
Sensor Information
Chip TruePic III+ PRIME III
Sensor type CCD 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 16MP 51MP
Anti alias filter
Aspect ratio 4:3 and 16:9 4:3
Highest resolution 4608 x 3456 8256 x 6192
Highest native ISO 3200 204800
Lowest native ISO 100 100
RAW images
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
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 25-525mm (21.0x) -
Maximal aperture f/3.1-5.8 -
Macro focusing range 1cm -
Amount of lenses - 6
Focal length multiplier 5.8 0.8
Screen
Type of display Fixed Type Tilting
Display size 3 inches 3.2 inches
Resolution of display 230k dots 1,037k dots
Selfie friendly
Liveview
Touch friendly
Display tech TFT Color LCD -
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Slowest shutter speed 4 seconds 30 seconds
Maximum shutter speed 1/1500 seconds 1/4000 seconds
Continuous shooting rate - 3.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 6.00 m no built-in flash
Flash modes Auto, On, Off, Red-Eye, Fill-in 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
Auto exposure bracketing
WB bracketing
Maximum flash synchronize - 1/125 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Highest video resolution 1280x720 1920x1080
Video file format MPEG-4, H.264 MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 435 gr (0.96 lbs) 1550 gr (3.42 lbs)
Dimensions 110 x 74 x 74mm (4.3" x 2.9" x 2.9") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO All around 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 - 650 photos
Battery type - Battery Pack
Battery ID 4 x AA D-LI90
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 secs)
Time lapse shooting
Storage type SD/SDHC/SDXC Dual SD/SDHC/SDXC slots
Card slots One Dual
Retail price $199 $5,024