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Olympus E-M10 IV vs Pentax K-7

Portability
81
Imaging
63
Features
83
Overall
71
Olympus OM-D E-M10 IV front
 
Pentax K-7 front
Portability
60
Imaging
55
Features
69
Overall
60

Olympus E-M10 IV vs Pentax K-7 Key Specs

Olympus E-M10 IV
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 383g - 122 x 84 x 49mm
  • Announced August 2020
  • Earlier Model is Olympus E-M10 III
Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 2000 (Expand to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Introduced October 2009
  • Replacement is Pentax K-5
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Olympus E-M10 IV vs Pentax K-7 Overview

Here is a in depth assessment of the Olympus E-M10 IV versus Pentax K-7, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by companies Olympus and Pentax. There is a noticeable difference among the image resolutions of the E-M10 IV (20MP) and K-7 (15MP) and the E-M10 IV (Four Thirds) and K-7 (APS-C) offer totally different sensor dimensions.

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The E-M10 IV was brought out 10 years later than the K-7 and that is a fairly sizable difference as far as camera tech is concerned. Both the cameras feature different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Pentax K-7 being a Mid-size SLR camera.

Before getting straight to a comprehensive comparison, here is a quick synopsis of how the E-M10 IV matches up versus the K-7 with regard to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M10 IV over the Pentax K-7

 E-M10 IV K-7 
IntroducedAugust 2020October 2009Fresher by 132 months
Screen typeTiltingFixed Tilting screen
Screen resolution1040k921kClearer screen (+119k dot)
Selfie screen Take selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax K-7 over the Olympus E-M10 IV

 K-7 E-M10 IV 

Common features in the Olympus E-M10 IV and Pentax K-7

 E-M10 IV K-7 
Manual focus Very exact focusing
Screen size3"3"Same screen sizing

Olympus E-M10 IV vs Pentax K-7 Physical Comparison

If you're going to carry your camera, you will have to think about its weight and measurements. The Olympus E-M10 IV has exterior measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") along with a weight of 383 grams (0.84 lbs) while the Pentax K-7 has proportions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs).

Contrast the Olympus E-M10 IV versus Pentax K-7 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ depending on the lens you are utilizing at that moment. Below is a front view scale comparison of the E-M10 IV against the K-7.

Olympus E-M10 IV vs Pentax K-7 size comparison

Using size and weight, the portability score of the E-M10 IV and K-7 is 81 and 60 respectively.

Olympus E-M10 IV vs Pentax K-7 top view buttons comparison

Olympus E-M10 IV vs Pentax K-7 Sensor Comparison

Oftentimes, its tough to envision the gap in sensor sizing just by checking out a spec sheet. The visual below will help offer you a stronger sense of the sensor sizing in the E-M10 IV and K-7.

As you can see, both the cameras come with different megapixel count and different sensor sizing. The E-M10 IV due to its smaller sensor will make shooting shallower DOF more challenging and the Olympus E-M10 IV will show more detail having its extra 5MP. Higher resolution will also make it easier to crop shots a good deal more aggressively. The more modern E-M10 IV will have an edge in sensor technology.

Olympus E-M10 IV vs Pentax K-7 sensor size comparison

Olympus E-M10 IV vs Pentax K-7 Screen and ViewFinder

Olympus E-M10 IV vs Pentax K-7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography highlights
Pentax K-7 Portrait photography highlights
77
has manual focus
resolution is good (20 megapixels)
sensor size is nice (Four Thirds)
comes with face detection focus
saves RAW files
73
you can focus manually
sensor resolution is decent (15 megapixels)
nice sensor size (APS-C)
features face detect focus
delivers RAW formats
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Street Comparison

Olympus E-M10 IV as a Street photography camera
Pentax K-7 as a Street photography camera
84
has a tilting screen
built in image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
saves RAW files
supports touch focus
good high ISO (25,600)
66
built in image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
environment proofing
fixed screen
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Sports Comparison

Sports photography with Olympus E-M10 IV
Sports photography with Pentax K-7
73
quiet mode (1/16,000 seconds)
built in image stabilization (Sensor based 5-axis)
resolution is good (20 megapixels)
sensor size is nice (Four Thirds)
comes with tracking autofocus
doesn't have phase detect auto focus
70
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
sensor resolution is decent (15MP)
nice sensor size (APS-C)
environment proofing
supports phase detect auto focus
slow frames per second (5.0 frames/s)
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Travel Comparison

Travel photography with Olympus E-M10 IV
Travel photography with Pentax K-7
85
supports bluetooth
supports touch focus
resolution is good (20MP)
has built in flash
selfie friendly screen
65
environment proofing
sensor resolution is decent (15 megapixels)
has built in flash
does not posses selfie friendly screen
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Landscape Comparison

Olympus E-M10 IV Landscape photography info
Pentax K-7 Landscape photography info
83
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3 inch)
built in image stabilization (Sensor based 5-axis)
resolution is good (20MP)
sensor size is nice (Four Thirds)
good high ISO (25,600)
saves RAW files
78
you can focus manually
swap lenses (Pentax KAF2 mount)
screen is a decent size (3 inches)
built in image stabilization (Sensor based)
sensor resolution is decent (15MP)
nice sensor size (APS-C)
delivers RAW formats
environment proofing
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Vlogging Comparison

Olympus E-M10 IV Vlogging information
Pentax K-7 Vlogging information
78
selfie friendly screen
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
comes with face detection focus
video resolution high (3840 x 2160 pxls)
does not have external microphone jack
25
built in image stabilization (Sensor based)
features face detect focus
does not posses selfie friendly screen
video resolution low (1280 x 720 pixels)
no microphone support
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Olympus E-M10 IV vs Pentax K-7 Specifications

Detailed spec comparison table for Olympus E-M10 IV and Pentax K-7
 Olympus OM-D E-M10 IVPentax K-7
General Information
Company Olympus Pentax
Model type Olympus OM-D E-M10 IV Pentax K-7
Type Entry-Level Mirrorless Advanced DSLR
Announced 2020-08-04 2009-10-02
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Processor Chip TruePic VIII Prime II
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.4 x 13mm 23.4 x 15.6mm
Sensor area 226.2mm² 365.0mm²
Sensor resolution 20 megapixel 15 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Max resolution 5184 x 3888 4672 x 3104
Max native ISO 25600 2000
Max enhanced ISO - 6400
Lowest native ISO 200 100
RAW pictures
Lowest enhanced ISO 100 -
Autofocusing
Manual focusing
AF touch
Continuous AF
Single AF
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 121 11
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Total lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Type of screen Tilting Fixed Type
Screen sizing 3 inch 3 inch
Screen resolution 1,040k dots 921k dots
Selfie friendly
Liveview
Touch screen
Screen tech - TFT color LCD with AR coating
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 2,360k dots -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.62x 0.61x
Features
Minimum shutter speed 60 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/8000 seconds
Fastest silent shutter speed 1/16000 seconds -
Continuous shutter rate 8.7 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance 7.20 m (at ISO 200) 13.00 m
Flash options Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless
Hot shoe
AEB
White balance bracketing
Fastest flash synchronize 1/250 seconds 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 3840x2160 1280x720
Video data format MPEG-4, H.264 Motion JPEG
Microphone support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 383 gr (0.84 pounds) 750 gr (1.65 pounds)
Physical dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 131 x 97 x 73mm (5.2" x 3.8" x 2.9")
DXO scores
DXO Overall rating not tested 61
DXO Color Depth rating not tested 22.6
DXO Dynamic range rating not tested 10.6
DXO Low light rating not tested 536
Other
Battery life 360 photographs 980 photographs
Battery style Battery Pack Battery Pack
Battery ID BLS-50 D-LI90
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC (UHS-II supported) SD/SDHC/MMC
Card slots One One
Price at release $699 $599