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Olympus TG-630 iHS vs Pentax 645Z

Portability
94 Imaging
36 Features
34 Overall
35
Olympus TG-630 iHS front
 
Pentax 645Z front
Portability
49 Imaging
80 Features
74 Overall
77

Olympus TG-630 iHS vs Pentax 645Z Key Specs

Olympus TG-630 iHS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 28-140mm (F3.9-5.9) lens
  • 167g - 98 x 66 x 22mm
  • Revealed January 2013
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
  • Announced April 2014
  • Old Model is Pentax 645D
Photography Glossary

Olympus TG-630 iHS vs Pentax 645Z Overview

Following is a thorough comparison of the Olympus TG-630 iHS vs Pentax 645Z, one is a Waterproof and the latter is a Pro DSLR by competitors Olympus and Pentax. There exists a huge gap among the sensor resolutions of the TG-630 iHS (12MP) and 645Z (51MP) and the TG-630 iHS (1/2.3") and 645Z (Medium format) provide totally different sensor sizing.

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The TG-630 iHS was unveiled 15 months prior to the 645Z which makes them a generation away from one another. Each of these cameras have different body design with the Olympus TG-630 iHS being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before diving straight to a complete comparison, here is a concise summary of how the TG-630 iHS matches up against the 645Z with respect to portability, imaging, features and an overall score.

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Reasons to pick Olympus TG-630 iHS over the Pentax 645Z

		

		

			
 TG-630 iHS 645Z 
		

	

	
	

		

		
Reasons to pick Pentax 645Z over the Olympus TG-630 iHS

		

		

			
 645Z TG-630 iHS 
AnnouncedApril 2014January 2013More modern by 15 months
Manually focus  Dial accurate focus
Screen typeTiltingFixed Tilting screen
Screen dimensions3.2"3"Bigger screen (+0.2")
Screen resolution1037k460kClearer screen (+577k dot)
		

	

	
	

		

		
Common features in the Olympus TG-630 iHS and Pentax 645Z

		

		

			
 TG-630 iHS 645Z 
Selfie screen  Neither contains selfie screen
Touch friendly screen  Neither contains Touch friendly screen
		

	

	

	
	
	
	

	

		

		
Olympus TG-630 iHS vs Pentax 645Z Physical Comparison

		

		

			
In case you're looking to carry around your camera often, you're going to have to factor in its weight and proportions. The Olympus TG-630 iHS has got exterior dimensions of 98mm x 66mm x 22mm (3.9" x 2.6" x 0.9") accompanied by a weight of 167 grams (0.37 lbs) whilst the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs).
Check out the Olympus TG-630 iHS vs Pentax 645Z in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses
Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at that time. Following is a front view dimensions comparison of the TG-630 iHS versus the 645Z.
Olympus TG-630 iHS vs Pentax 645Z size comparison
Taking into consideration dimensions and weight, the portability rating of the TG-630 iHS and 645Z is 94 and 49 respectively.
Olympus TG-630 iHS vs Pentax 645Z top view buttons comparison		

	

	
	

		

		
Olympus TG-630 iHS vs Pentax 645Z Sensor Comparison

		

		

			
Typically, it is very tough to envision the gap in sensor sizes just by seeing a spec sheet. The pic below should give you a far better sense of the sensor sizes in the TG-630 iHS and 645Z.
Clearly, both of the cameras provide different resolutions and different sensor sizes. The TG-630 iHS with its smaller sensor will make getting shallow DOF tougher and the Pentax 645Z will show more detail having an extra 39MP. Higher resolution can also allow you to crop pictures more aggressively. The more aged TG-630 iHS will be behind in sensor tech.
	
			Olympus TG-630 iHS vs Pentax 645Z sensor size comparison			
		

	

	
	

		

		
Olympus TG-630 iHS vs Pentax 645Z Screen and ViewFinder

		

		

					

		Olympus TG-630 iHS vs Pentax 645Z Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
Olympus TG-630 iHS Portrait photography highlights
Pentax 645Z Portrait photography highlights
27
 comes with face detect focusing
 focusing manually not possible
 no manual control
 can't use external flash
 megapixel count low (12MP)
 sensor  is very small (1/2.3")
 does not have RAW format
88
 focusing manually
 high megapixels (51MP)
 great sensor size (Medium format)
 provides face detect autofocus
 exports RAW files
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Street Comparison
Street photography with Olympus TG-630 iHS
Street photography with Pentax 645Z
62
 image stabilization (Sensor-shift)
 environment proof
 fixed screen
 sensor  is very small (1/2.3")
 does not have RAW format
63
 has a tilting screen
 great sensor size (Medium format)
 exports RAW files
 weather sealing
 above average high ISO (204,800)
 does not have image stabilization
 heavier than competitors in class (1,550 grams)
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Sports Comparison
Olympus TG-630 iHS Sports photography details
Pentax 645Z Sports photography details
34
 image stabilization (Sensor-shift)
 comes with tracking focus
 environment proof
 slow frames per second (5.0 frames/s)
 no shutter priority
 megapixel count low (12 megapixels)
 sensor  is very small (1/2.3")
 low battery (220 per charge)
 does not have phase detect AF
71
 high megapixels (51 megapixels)
 great sensor size (Medium format)
 provides tracking focus
 weather sealing
 has phase detect autofocus
 max fps very slow (3.0 frames per second)
 does not have image stabilization
 not so great battery power (650 shots)
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Travel Comparison
Olympus TG-630 iHS Travel photography factors
Pentax 645Z Travel photography factors
59
 environment proof
 built-in flash
 rather wide (28mm)
 no Time Lapse function
 low battery (220 shots)
 megapixel count low (12MP)
 doesn't have a selfie friendly screen
 somewhat slow max aperture (f3.9)
51
 weather sealing
 high megapixels (51 megapixels)
 not so great battery power (650 shots)
 heavier than competitors in class (1,550g)
 doesn't have a selfie friendly screen
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Landscape Comparison
Olympus TG-630 iHS Landscape photography features
Pentax 645Z Landscape photography features
39
 rather wide (28mm)
 screen is a decent size (3")
 image stabilization (Sensor-shift)
 environment proof
 focusing manually not possible
 lens is fixed (fixed lens mount)
 somewhat slow max aperture (f3.9)
 no manual control
 megapixel count low (12 megapixels)
 sensor  is very small (1/2.3")
 does not have RAW format
 low battery (220 CIPA)
 no Time Lapse function
78
 focusing manually
 swap lenses (Pentax 645AF2 mount)
 screen is a decent size (3.2")
 high megapixels (51MP)
 great sensor size (Medium format)
 does not have anti aliasing filter
 above average high ISO (204,800)
 exports RAW files
 weather sealing
 two card slots
 does not have image stabilization
 not so great battery power (650 CIPA)
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Vlogging Comparison
Vlogging with Olympus TG-630 iHS
Vlogging with Pentax 645Z
33
 rather wide (28mm)
 image stabilization (Sensor-shift)
 comes with face detect focusing
 high res video (1920 x 1080 pxls)
 somewhat slow max aperture (f3.9)
 doesn't have a selfie friendly screen
 no mic socket
27
 provides face detect autofocus
 video resolution high (1920 x 1080 resolution)
 has mic socket
 doesn't have a selfie friendly screen
 does not have image stabilization
 heavier than competitors in class (1,550 grams)
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Olympus TG-630 iHS vs Pentax 645Z Specifications

		

		

					

		
		

			Detailed spec comparison table for Olympus TG-630 iHS and Pentax 645Z
 Olympus TG-630 iHSPentax 645Z
General Information
Manufacturer Olympus Pentax
Model Olympus TG-630 iHS Pentax 645Z
Class Waterproof Pro DSLR
Revealed 2013-01-08 2014-04-15
Physical type Compact Large SLR
Sensor Information
Processor Chip - PRIME III
Sensor type CMOS CMOS
Sensor size 1/2.3" Medium format
Sensor dimensions 6.17 x 4.55mm 44 x 33mm
Sensor surface area 28.1mm² 1,452.0mm²
Sensor resolution 12 megapixel 51 megapixel
Anti aliasing filter    
Aspect ratio 4:3 and  16:9 4:3
Highest resolution 3968 x 2976 8256 x 6192
Highest native ISO 6400 204800
Lowest native ISO 100 100
RAW pictures    
Autofocusing
Focus manually    
Autofocus touch    
Continuous autofocus    
Single autofocus    
Tracking autofocus    
Autofocus selectice    
Center weighted autofocus    
Autofocus multi area    
Live view autofocus    
Face detection focus    
Contract detection focus    
Phase detection focus    
Number of focus points - 27
Cross focus points - -
Lens
Lens mount fixed lens Pentax 645AF2
Lens focal range 28-140mm (5.0x) -
Maximum aperture f/3.9-5.9 -
Macro focus range 1cm -
Total lenses - 6
Crop factor 5.8 0.8
Screen
Type of screen Fixed Type Tilting
Screen size 3 inch 3.2 inch
Screen resolution 460k dots 1,037k dots
Selfie friendly    
Liveview    
Touch function    
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Lowest shutter speed 4 seconds 30 seconds
Highest shutter speed 1/2000 seconds 1/4000 seconds
Continuous shooting rate 5.0 frames/s 3.0 frames/s
Shutter priority    
Aperture priority    
Manually set exposure    
Exposure compensation - Yes
Set white balance    
Image stabilization    
Built-in flash    
Flash range - no built-in flash
Flash settings 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    
AE bracketing    
WB bracketing    
Highest flash synchronize - 1/125 seconds
Exposure
Multisegment    
Average    
Spot    
Partial    
AF area    
Center weighted    
Video features
Supported video resolutions 1920 x 1080 (60 fps), 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 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Mic port    
Headphone port    
Connectivity
Wireless None None
Bluetooth    
NFC    
HDMI    
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environment sealing    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 167 gr (0.37 lbs) 1550 gr (3.42 lbs)
Physical dimensions 98 x 66 x 22mm (3.9" x 2.6" x 0.9") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO All around 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 220 photographs 650 photographs
Form of battery Battery Pack Battery Pack
Battery model LI-50B D-LI90
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 secs)
Time lapse recording    
Storage type SD/SDHC/SDXC Dual SD/SDHC/SDXC slots
Card slots 1 Two
Pricing at launch $200 $5,024