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Olympus E-M1 III vs Pentax RS1500

Portability
67 Imaging
62 Features
96 Overall
75
Olympus OM-D E-M1 Mark III front
 
Pentax Optio RS1500 front
Portability
93 Imaging
37 Features
30 Overall
34

Olympus E-M1 III vs Pentax RS1500 Key Specs

Olympus E-M1 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Revealed February 2020
  • Replaced the Olympus E-M1 II
Pentax RS1500
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • 1280 x 720 video
  • 28-110mm (F3.5-5.5) lens
  • 157g - 114 x 58 x 28mm
  • Revealed March 2011
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Olympus E-M1 III vs Pentax RS1500 Overview

Following is a thorough assessment of the Olympus E-M1 III vs Pentax RS1500, one is a Pro Mirrorless and the other is a Small Sensor Compact by brands Olympus and Pentax. There exists a crucial gap among the sensor resolutions of the E-M1 III (20MP) and RS1500 (14MP) and the E-M1 III (Four Thirds) and RS1500 (1/2.3") boast totally different sensor sizes.

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The E-M1 III was released 9 years after the RS1500 which is a fairly serious gap as far as camera technology is concerned. The two cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax RS1500 being a Compact camera.

Before going straight to a thorough comparison, here is a simple introduction of how the E-M1 III scores vs the RS1500 with respect to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-M1 III over the Pentax RS1500

		

		

			
 E-M1 III RS1500 
RevealedFebruary 2020March 2011More modern by 109 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimensions3"2.7"Larger display (+0.3")
Display resolution1037k230kClearer display (+807k dot)
Selfie screen  Take selfies
Touch display  Easily navigate
		

	

	
	

		

		
Reasons to pick Pentax RS1500 over the Olympus E-M1 III

		

		

			
 RS1500 E-M1 III 
		

	

	
	

		

		
Common features in the Olympus E-M1 III and Pentax RS1500

		

		

			
 E-M1 III RS1500 
Focus manually  Dial accurate focusing
		

	

	

	
	
	
	

	

		

		
Olympus E-M1 III vs Pentax RS1500 Physical Comparison

		

		

			
For anyone who is looking to carry around your camera regularly, you're going to have to think about its weight and dimensions. The Olympus E-M1 III has got physical dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) and the Pentax RS1500 has dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") accompanied by a weight of 157 grams (0.35 lbs).
Analyze the Olympus E-M1 III vs Pentax RS1500 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses
Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose at that time. Below is a front view measurement comparison of the E-M1 III compared to the RS1500.
Olympus E-M1 III vs Pentax RS1500 size comparison
Looking at dimensions and weight, the portability grade of the E-M1 III and RS1500 is 67 and 93 respectively.
Olympus E-M1 III vs Pentax RS1500 top view buttons comparison		

	

	
	

		

		
Olympus E-M1 III vs Pentax RS1500 Sensor Comparison

		

		

			
Normally, it is very difficult to envision the contrast in sensor sizes only by researching specifications. The picture underneath will provide you a better sense of the sensor sizes in the E-M1 III and RS1500.
Plainly, the 2 cameras provide different resolutions and different sensor sizes. The E-M1 III due to its larger sensor will make shooting bokeh easier and the Olympus E-M1 III will provide you with greater detail as a result of its extra 6MP. Greater resolution will also let you crop photos more aggressively. The fresher E-M1 III is going to have an edge in sensor technology.
	
			Olympus E-M1 III vs Pentax RS1500 sensor size comparison			
		

	

	
	

		

		
Olympus E-M1 III vs Pentax RS1500 Screen and ViewFinder

		

		

					

		Olympus E-M1 III vs Pentax RS1500 Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
Olympus E-M1 III Portrait photography info
Pentax RS1500 Portrait photography info
77
 you can focus manually
 decent megapixels (20 megapixels)
 sensor size is decent (Four Thirds)
 features face detection autofocus
 delivers RAW files
35
 you can focus manually
 good megapixels (14MP)
 manual mode not possible
 no external flash support
 sensor size is very small (1/2.3")
 doesn't have RAW files
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Street Comparison
Olympus E-M1 III Street photography highlights
Pentax RS1500 Street photography highlights
78
 fully articulated screen
 built in image stabilization (Sensor based 5-axis)
 sensor size is decent (Four Thirds)
 delivers RAW files
 includes focus via touch
 weather sealing
 great high ISO (25,600)
54
 environment sealing
 no articulating screen
 does not have image stabilization
 sensor size is very small (1/2.3")
 doesn't have RAW files
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Sports Comparison
Olympus E-M1 III Sports photography details
Pentax RS1500 Sports photography details
81
 max shutter speed is good (1/8,000 seconds)
 silent mode (1/32,000 seconds)
 fast shooting (60.0 fps)
 built in image stabilization (Sensor based 5-axis)
 decent megapixels (20MP)
 sensor size is decent (Four Thirds)
 features tracking autofocus
 weather sealing
 has phase detect autofocus
37
 good megapixels (14 megapixels)
 supports tracking autofocus
 environment sealing
 max frames per second low (1.0 fps)
 no shutter priority
 does not have image stabilization
 sensor size is very small (1/2.3")
 doesn't have phase detect autofocus
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Travel Comparison
Olympus E-M1 III Travel photography details
Pentax RS1500 Travel photography details
79
 weather sealing
 supports bluetooth
 includes focus via touch
 decent megapixels (20MP)
 display is selfie friendly
67
 environment sealing
 good megapixels (14MP)
 built-in flash
 relatively wide (28mm)
 lack of Timelapse mode
 display is not selfie friendly
 somewhat slow max aperture (f3.5)
Photography Glossary
Landscape Comparison
Olympus E-M1 III Landscape photography advice
Pentax RS1500 Landscape photography advice
81
 you can focus manually
 swap lenses (Micro Four Thirds mount)
 screen is a decent size (3 inch)
 built in image stabilization (Sensor based 5-axis)
 decent megapixels (20MP)
 sensor size is decent (Four Thirds)
 no low pass filter
 great high ISO (25,600)
 delivers RAW files
 weather sealing
 2 card slots
40
 you can focus manually
 relatively wide (28mm)
 good megapixels (14 megapixels)
 environment sealing
 can't swap lens (fixed lens mount)
 somewhat slow max aperture (f3.5)
 small screen (2.7 inch)
 manual mode not possible
 does not have image stabilization
 sensor size is very small (1/2.3")
 doesn't have RAW files
 lack of Timelapse mode
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Vlogging Comparison
Olympus E-M1 III Vlogging features
Pentax RS1500 Vlogging features
79
 display is selfie friendly
 has touchscreen
 built in image stabilization (Sensor based 5-axis)
 features face detection autofocus
 video res high (4096 x 2160 resolution)
 has external microphone support
25
 relatively wide (28mm)
 somewhat slow max aperture (f3.5)
 display is not selfie friendly
 does not have image stabilization
 low video resolution (1280 x 720 pixels)
 lack of external microphone port
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Olympus E-M1 III vs Pentax RS1500 Specifications

		

		

					

		
		

			Detailed spec comparison table for Olympus E-M1 III and Pentax RS1500
 Olympus OM-D E-M1 Mark IIIPentax Optio RS1500
General Information
Brand Olympus Pentax
Model type Olympus OM-D E-M1 Mark III Pentax Optio RS1500
Class Pro Mirrorless Small Sensor Compact
Revealed 2020-02-11 2011-03-16
Body design SLR-style mirrorless Compact
Sensor Information
Powered by TruePic IX -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.4 x 13mm 6.17 x 4.55mm
Sensor surface area 226.2mm² 28.1mm²
Sensor resolution 20 megapixels 14 megapixels
Anti alias filter    
Aspect ratio 4:3 4:3, 3:2 and  16:9
Peak resolution 5184 x 3888 4288 x 3216
Highest native ISO 25600 6400
Min native ISO 200 80
RAW pictures    
Min enhanced ISO 64 -
Autofocusing
Focus manually    
AF touch    
AF continuous    
AF single    
AF tracking    
AF selectice    
Center weighted AF    
Multi area AF    
Live view AF    
Face detect AF    
Contract detect AF    
Phase detect AF    
Total focus points 121 9
Cross type focus points 121 -
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 28-110mm (3.9x)
Max aperture - f/3.5-5.5
Macro focusing range - 1cm
Number of lenses 107 -
Focal length multiplier 2.1 5.8
Screen
Range of display Fully Articulated Fixed Type
Display size 3 inches 2.7 inches
Display resolution 1,037k dot 230k dot
Selfie friendly    
Liveview    
Touch function    
Display tech - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.74x -
Features
Min shutter speed 60 seconds 4 seconds
Max shutter speed 1/8000 seconds 1/1500 seconds
Max quiet shutter speed 1/32000 seconds -
Continuous shutter speed 60.0fps 1.0fps
Shutter priority    
Aperture priority    
Manual exposure    
Exposure compensation Yes -
Change WB    
Image stabilization    
Inbuilt flash    
Flash distance no built-in flash 3.90 m
Flash options Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual Auto, On, Off, Red-eye, Soft
Hot shoe    
Auto exposure bracketing    
WB bracketing    
Max flash sync 1/250 seconds -
Exposure
Multisegment    
Average    
Spot    
Partial    
AF area    
Center weighted    
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 4096x2160 1280x720
Video format MPEG-4, H.264 Motion JPEG
Microphone jack    
Headphone jack    
Connectivity
Wireless Built-In None
Bluetooth    
NFC    
HDMI    
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal    
Water proofing    
Dust proofing    
Shock proofing    
Crush proofing    
Freeze proofing    
Weight 580 grams (1.28 lb) 157 grams (0.35 lb)
Physical dimensions 134 x 91 x 69mm (5.3" x 3.6" x 2.7") 114 x 58 x 28mm (4.5" x 2.3" x 1.1")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 420 photographs 260 photographs
Battery form Battery Pack Battery Pack
Battery ID BLH-1 D-LI92
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 sec)
Time lapse recording    
Type of storage Dual SD/SDHC/SDXC slots (UHS-II on first slot) SD/SDHC/SDXC, Internal
Storage slots 2 Single
Retail cost $1,800 $150