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Olympus SP-820UZ vs Pentax 645Z

Portability
69 Imaging
38 Features
29 Overall
34
Olympus Stylus SP-820UZ front
 
Pentax 645Z front
Portability
49 Imaging
80 Features
74 Overall
77

Olympus SP-820UZ vs Pentax 645Z Key Specs

Olympus SP-820UZ
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 6400
  • 1920 x 1080 video
  • 22-896mm (F3.4-5.7) lens
  • 485g - 117 x 78 x 93mm
  • Revealed August 2012
  • Superseded the Olympus SP-820UZ
  • Later Model is Olympus SP-820UZ
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Display
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Launched April 2014
  • Replaced the Pentax 645D
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Olympus SP-820UZ vs Pentax 645Z Overview

Below is a thorough review of the Olympus SP-820UZ versus Pentax 645Z, one being a Small Sensor Superzoom and the other is a Pro DSLR by manufacturers Olympus and Pentax. There is a crucial difference between the resolutions of the SP-820UZ (14MP) and 645Z (51MP) and the SP-820UZ (1/2.3") and 645Z (Medium format) enjoy totally different sensor size.

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The SP-820UZ was unveiled 20 months prior to the 645Z making the cameras a generation apart from each other. The two cameras come with different body type with the Olympus SP-820UZ being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before delving in to a step-by-step comparison, below is a concise summary of how the SP-820UZ grades versus the 645Z in regards to portability, imaging, features and an overall grade.

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Reasons to pick Olympus SP-820UZ over the Pentax 645Z

		

		

			
 SP-820UZ 645Z 
		

	

	
	

		

		
Reasons to pick Pentax 645Z over the Olympus SP-820UZ

		

		

			
 645Z SP-820UZ 
LaunchedApril 2014August 2012More recent by 20 months
Manually focus  More precise focus
Display typeTiltingFixed Tilting display
Display dimension3.2"3"Larger display (+0.2")
Display resolution1037k460kClearer display (+577k dot)
		

	

	
	

		

		
Common features in the Olympus SP-820UZ and Pentax 645Z

		

		

			
 SP-820UZ 645Z 
Selfie screen  Lack of selfie screen
Touch friendly display  Lack of Touch friendly display
		

	

	

	
	
	
	

	

		

		
Olympus SP-820UZ vs Pentax 645Z Physical Comparison

		

		

			
In case you're intending to lug around your camera frequently, you will need to consider its weight and dimensions. The Olympus SP-820UZ features exterior measurements of 117mm x 78mm x 93mm (4.6" x 3.1" x 3.7") having a weight of 485 grams (1.07 lbs) while the Pentax 645Z has dimensions 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-820UZ versus Pentax 645Z in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses
Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you use at that time. Below is the front view measurement comparison of the SP-820UZ against the 645Z.
Olympus SP-820UZ vs Pentax 645Z size comparison
Taking into account size and weight, the portability grade of the SP-820UZ and 645Z is 69 and 49 respectively.
Olympus SP-820UZ vs Pentax 645Z top view buttons comparison		

	

	
	

		

		
Olympus SP-820UZ vs Pentax 645Z Sensor Comparison

		

		

			
Usually, it's difficult to visualise the difference between sensor measurements purely by reviewing a spec sheet. The photograph here will offer you a clearer sense of the sensor measurements in the SP-820UZ and 645Z.
Clearly, both of the cameras posses different resolutions and different sensor measurements. The SP-820UZ having a tinier sensor will make shooting bokeh harder and the Pentax 645Z will offer you greater detail having an extra 37MP. Greater resolution will also enable you to crop images somewhat more aggressively. The older SP-820UZ is going to be behind when it comes to sensor innovation.
	
			Olympus SP-820UZ vs Pentax 645Z sensor size comparison			
		

	

	
	

		

		
Olympus SP-820UZ vs Pentax 645Z Screen and ViewFinder

		

		

					

		Olympus SP-820UZ vs Pentax 645Z Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
Portrait photography with Olympus SP-820UZ
Portrait photography with Pentax 645Z
34
 decent sensor resolution (14 megapixels)
 supports face detection autofocus
 focusing manually not possible
 no manual exposure
 can't use external flash
 small sensor (1/2.3")
 lacks RAW files
88
 you can focus manually
 MP count great (51MP)
 great sensor size (Medium format)
 comes with face detection focusing
 delivers RAW files
Photography Glossary
Street Comparison
Olympus SP-820UZ Street photography details
Pentax 645Z Street photography details
37
 fixed screen
 lack of image stabilization
 small sensor (1/2.3")
 lacks RAW files
 more heavy than competition (485 grams)
63
 screen tilts up and down
 great sensor size (Medium format)
 delivers RAW files
 environment proof
 great ISO range (204,800)
 no image stabilization
 more heavy than others in class (1,550 grams)
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Sports Comparison
Sports photography with Olympus SP-820UZ
Sports photography with Pentax 645Z
33
 long zoom range (22-896mm  40.7 x zoom)
 decent sensor resolution (14MP)
 continuous shooting slow (2.0 frames/s)
 no shutter priority
 lack of image stabilization
 small sensor (1/2.3")
 lacks phase detect autofocus
71
 MP count great (51 megapixels)
 great sensor size (Medium format)
 comes with tracking autofocus
 environment proof
 supports phase detect AF
 slow continuous shooting (3.0 frames/s)
 no image stabilization
 low battery life (650 per charge)
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Travel Comparison
Travel photography with Olympus SP-820UZ
Travel photography with Pentax 645Z
55
 decent sensor resolution (14MP)
 flash built-in
 reasonably wide (22mm)
 great zoom (896mm)
 no Timelapse function
 more heavy than competition (485g)
 doesn't offer selfie friendly screen
 slow maximum aperture (f3.4)
51
 environment proof
 MP count great (51MP)
 low battery life (650 per charge)
 more heavy than others in class (1,550g)
 display isn't selfie friendly
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Landscape Comparison
Landscape photography with Olympus SP-820UZ
Landscape photography with Pentax 645Z
35
 reasonably wide (22mm)
 decent sized screen (3 inch)
 decent sensor resolution (14MP)
 focusing manually not possible
 lens is fixed (fixed lens mount)
 slow maximum aperture (f3.4)
 no manual exposure
 lack of image stabilization
 small sensor (1/2.3")
 lacks RAW files
 no Timelapse function
78
 you can focus manually
 interchangeable lenses (Pentax 645AF2 mount)
 screen is a good size (3.2 inch)
 MP count great (51 megapixels)
 great sensor size (Medium format)
 no anti aliasing filter
 great ISO range (204,800)
 delivers RAW files
 environment proof
 2 card slots
 no image stabilization
 low battery life (650 shots)
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Vlogging Comparison
Olympus SP-820UZ Vlogging highlights
Pentax 645Z Vlogging highlights
25
 reasonably wide (22mm)
 supports face detection autofocus
 video resolution high (1920 x 1080 resolution)
 slow maximum aperture (f3.4)
 doesn't offer selfie friendly screen
 lack of image stabilization
 no external microphone support
 more heavy than competition (485 grams)
27
 comes with face detection focusing
 high quality video (1920 x 1080 resolution)
 comes with external microphone support
 display isn't selfie friendly
 no image stabilization
 more heavy than others in class (1,550g)
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Olympus SP-820UZ vs Pentax 645Z Specifications

		

		

					

		
		

			Detailed spec comparison table for Olympus SP-820UZ and Pentax 645Z
 Olympus Stylus SP-820UZPentax 645Z
General Information
Brand Name Olympus Pentax
Model Olympus Stylus SP-820UZ Pentax 645Z
Type Small Sensor Superzoom Pro DSLR
Revealed 2012-08-21 2014-04-15
Physical type Compact Large SLR
Sensor Information
Powered by - PRIME III
Sensor type 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 14 megapixels 51 megapixels
Anti aliasing filter    
Aspect ratio 4:3 and  16:9 4:3
Peak resolution 4288 x 3216 8256 x 6192
Highest native ISO 6400 204800
Lowest native ISO 80 100
RAW pictures    
Autofocusing
Manual focus    
Touch to focus    
AF continuous    
AF single    
AF tracking    
Selective AF    
Center weighted AF    
Multi area AF    
AF live view    
Face detect AF    
Contract detect AF    
Phase detect AF    
Number of focus points - 27
Cross focus points - -
Lens
Lens mounting type fixed lens Pentax 645AF2
Lens focal range 22-896mm (40.7x) -
Max aperture f/3.4-5.7 -
Macro focus range 1cm -
Number of lenses - 6
Focal length multiplier 5.8 0.8
Screen
Display type Fixed Type Tilting
Display size 3 inches 3.2 inches
Display resolution 460k dots 1,037k dots
Selfie friendly    
Liveview    
Touch screen    
Display tech TFT Color LCD -
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Minimum shutter speed 4 seconds 30 seconds
Fastest shutter speed 1/2000 seconds 1/4000 seconds
Continuous shutter rate 2.0fps 3.0fps
Shutter priority    
Aperture priority    
Expose Manually    
Exposure compensation - Yes
Set WB    
Image stabilization    
Inbuilt flash    
Flash range 15.00 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
External flash    
Auto exposure bracketing    
WB bracketing    
Fastest flash synchronize - 1/125 seconds
Exposure
Multisegment metering    
Average metering    
Spot metering    
Partial metering    
AF area metering    
Center weighted metering    
Video features
Video resolutions 1920 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30, 120 fps), 320 x 180 (30, 240 fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Highest video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 MPEG-4, H.264
Microphone support    
Headphone support    
Connectivity
Wireless None None
Bluetooth    
NFC    
HDMI    
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environmental sealing    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 485g (1.07 lbs) 1550g (3.42 lbs)
Dimensions 117 x 78 x 93mm (4.6" x 3.1" x 3.7") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO Overall score not tested 101
DXO Color Depth score not tested 26.0
DXO Dynamic range score not tested 14.7
DXO Low light score not tested 4505
Other
Battery life - 650 photos
Battery style - Battery Pack
Battery model - D-LI90
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 secs)
Time lapse recording    
Type of storage SD/SDHC/SDXC Dual SD/SDHC/SDXC slots
Card slots Single Dual
Retail price $299 $5,024