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Olympus E-M10 IV vs Nikon D7500 Comparison

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Camera to replace
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Olympus E-M10 IV

20 MP | Four Thirds (17.4 x 13 mm) CMOS Sensor

Olympus E-M10 IV
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Nikon D7500

21 MP | APS-C (23.5 x 15.7 mm) CMOS Sensor

Nikon D7500
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Olympus E-M10 IV vs Nikon D7500 Comparison Overview

Here we are comparing two cameras with different body types: Olympus E-M10 IV, which was introduced in August 2020 is a Entry-Level Mirrorless camera with a 20.0MP Four Thirds sensor whereas Nikon D7500, which was introduced in April 2017 is a Advanced DSLR camera with a 21.0MP APS-C sensor. As you can see, D7500 is 3 years older than E-M10 IV. Let's see if this age difference between two cameras makes a big difference.

Despite some fundamental differences of these two body types, Mirrorless cameras are becoming serious alternatives to DSLR cameras thanks to their size/weight advantages and recent improvements in their focus speeds , which makes this comparison even more interesting.

Here is a brief look at the main features of Olympus E-M10 IV and Nikon D7500 before getting into our more detailed comparison.

Olympus E-M10 IV Key Specs

  • Announcement Date: 2020-08-04
  • 20MP - Four Thirds CMOS Sensor
  • ISO 200 - 25600 ( expands to 100 - 25600)
  • Micro Four Thirds Mount
  • Sensor-shift Image Stabilization
  • 3.00" Tilting Screen
  • 2360k dot Electronic viewfinder
  • 8.7fps (15.0fps Electronic) continuous shooting
  • 4K (UHD) - 3840 x 2160 video resolution
  • Built-in Wireless
  • 383g. 122 x 84 x 49 mm
  • Replaced Olympus OM-D E-M10 Mark III Compare

Nikon D7500 Key Specs

  • Announcement Date: 2017-04-12
  • 21MP - APS-C CMOS Sensor
  • No Anti-aliasing (AA) filter
  • ISO 100 - 51200 ( expands to 50 - 1640000)
  • Nikon F Mount
  • 3.20" Tilting Screen
  • Optical (pentaprism) viewfinder
  • 8.0fps continuous shooting
  • 4K (UHD) - 3840 x 2160 video resolution
  • Built-in Wireless
  • 720g. 136 x 104 x 73 mm
  • Weather Sealed Body
  • Replaced Nikon D7200 Compare

Let's read on the following sections in order to better understand in detail how Olympus E-M10 IV and Nikon D7500 compares and hopefully end up with enough arguments to decide which one is better for you.


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**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose Olympus OM-D E-M10 IV over Nikon D7500
Live Composite Mode
Yes vs No Excellent help for long-exposure photography
In-built Image Stabilization
Sensor-shift vs None Sharper images at longer focal lengths and slow shutter speeds
Number of Focus Points
121 vs 51 70 more focus points
LCD Resolution
1.040k dots vs 922k dots 12% higher resolution screen
Continuous Shooting
15.0fps vs 8.0fps 7 fps faster
Weight
383 g vs 720 g 337 g lighter
Selfie & Vlogger LCD
Yes vs No Rotate LCD for taking Selfies
Focus Bracketing
Yes vs No Take multiple photos shifting focus point
CHECK E-M10 IV PRICE


Reasons to choose Nikon D7500 over Olympus OM-D E-M10 IV
Viewfinder Magnif.
0.63x vs 0.62x Larger Viewfinder
Sensor Resolution
21 MP vs 20 MP 5% more pixels
Max ISO
51.200 vs 25.600 100% higher Max ISO
LCD Screen Size
3.2 vs 3 0.2 inches larger display
Max Mech. Shutter
1/8000s vs 1/4000s faster mechanical shutter
Battery Life
950 shots vs 360 shots 590 more frames with a single charge
Microphone Port
Yes vs No High quality audio recording option
Headphone Port
Yes vs No better video control
Environmental Sealing
Yes vs No shoot at tough conditions
Flash Coverage
12.0m vs 7.2m 4.8m longer range
Sensor Pixel Area
17.85µm2 vs 11.22µm2 59% larger pixel area
Top LCD
Yes vs No Help viewing and changing settings easily
Anti Flicker
Yes vs No Reduced uneven color and exposure under flickering light
CHECK D7500 PRICE

Common Strengths of Olympus OM-D E-M10 IV and Nikon D7500
Wireless Connection
Yes vs Yes Better connectivity
Bluetooth Connection
Yes vs Yes Connect to other devices via Bluetooth
Adjustable LCD Screen
Tilting vs Tilting Flexible shooting positions
Built-in Flash
Yes vs Yes Useful in low-light
External Flash Shoe
Yes vs Yes Better for flash photography
Touch Screen
Yes vs Yes Easy control of camera functions
Viewfinder
Yes (Electronic) vs Yes (Optical) Better framing and control
RAW Support
Yes vs Yes Better image quality
Face Detection Focus
Yes vs Yes very handy for portraits
Max Resolution
20 MP vs 21 MP Bigger prints and more details
LCD Screen Size
3.20" vs 3.20" Large display
Max Continuous Shooting
15.0fps vs 8.0fps Fast shooting speeds
Timelapse Recording
Yes vs Yes creative shooting
AE Bracketing
Yes vs Yes Useful for tough lighting conditions and HDR
Smartphone Remote
Yes vs Yes Remote control your camera with a smartphone
UHS Card Support
UHS-II vs UHS-I Read/Write in High Speeds
Common Weaknesses of Olympus OM-D E-M10 IV and Nikon D7500
Olympus E-M10 IV vs Nikon D7500: Physical Specs and Body features Comparison

Size and weight is a big decision factor when you are trying to find the ideal camera for your needs. In this section, We are going to illustrate Olympus E-M10 IV and Nikon D7500 side-by-side from the front, back and top in their relative dimensions. Olympus E-M10 IV has external dimensions of 122 x 84 x 49 mm (4.8 x 3.31 x 1.93″) and weighs 383 g (0.84 lb / 13.51 oz) (including batteries). Nikon D7500 has external dimensions of 136 x 104 x 73 mm (5.35 x 4.09 x 2.87″) and weighs 720 g (1.59 lb / 25.40 oz) (including batteries).

Below you can see the front view size comparison of Olympus E-M10 IV and Nikon D7500. Olympus E-M10 IV is clearly the smaller of the two cameras. Its body is 14mm narrower, 20mm shorter and 24mm thinner than Nikon D7500.

Olympus E-M10 IV vs Nikon D7500 Camera Size Comparison - Front View
Comparison image of Olympus E-M10 IV and Nikon D7500 Size, Weight and External Dimensions - Front View

Here is the back view size comparison of Olympus E-M10 IV and Nikon D7500.

Olympus E-M10 IV vs Nikon D7500 Camera Size Comparison - Back View
Comparison image of Olympus E-M10 IV and Nikon D7500 Size and Weight - Back View

Now lets look at the top view comparison of Olympus E-M10 IV and Nikon D7500.
Olympus E-M10 IV vs Nikon D7500 Camera Size Comparison - Top View
Top View Comparison image of Olympus E-M10 IV and Nikon D7500 Size

Weight is another important factor especially when deciding on a camera that you want to carry with you all day. Olympus E-M10 IV is significantly lighter (337g ) than the Nikon D7500 which may become a big advantage especially on long walking trips.

Also keep in mind that body weight is not the only deciding factor when comparing two interchangeable camera bodies, you have to also take into account the lenses that you will be using with these bodies. Since Nikon D7500 has an APS-C sized sensor and Olympus E-M10 IV has a smaller Four Thirds sensor, Olympus E-M10 IV's lenses for a similar focal length and aperture will generally be lighter and smaller than the Nikon D7500 lenses.

Weight Comparison

DSLR Cameras

E-M10 IV
D7500
Min
Average
Max
Thickness Comparison

DSLR Cameras

E-M10 IV
D7500
Min
Average
Max

Weather Sealing

Thanks to the weather sealed body of D7500, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to E-M10 IV.

LCD Screen Size and Features

Nikon D7500's 3.20" LCD screen is slightly larger than Olympus E-M10 IV's 3 screen.

Olympus E-M10 IV vs Nikon D7500: Sensor Comparison

Olympus E-M10 IV has a 20.0MP Four Thirds (17.4 x 13 mm ) sized CMOS sensor and features TruePic VIII processor. On the other hand, Nikon D7500 has a 21.0MP APS-C (23.5 x 15.7 mm ) sized CMOS sensor and features Expeed 5 processor.

One other difference between these two cameras that is worth mentioning is that Nikon D7500's sensor doesn't have an anti-alias (Low-Pass) filter. Removing anti-alias filter increases the sharpness and level of detail but at the same time, it increases the chance of moire occurring in certain scenes.

Below you can see the E-M10 IV and D7500 sensor size comparison.

Olympus E-M10 IV vs Nikon D7500 Sensor Size Comparison
Sensor Size and Resolution Comparison image of Olympus E-M10 IV and Nikon D7500 Cameras


As seen above, Nikon D7500 has a 1.6x Larger sensor area than Olympus E-M10 IV. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.

Olympus E-M10 IV vs Nikon D7500 Comparison of Available Lenses
Which camera has more lenses?

Number of available lenses is a big decision factor while choosing your interchangeable lens camera. When we look at the available lenses for these two cameras, we see that Nikon D7500 has an advantage over Olympus E-M10 IV There are 316 lenses for Nikon D7500's Nikon F mount, on the other hand there are only 120 lenses for Olympus E-M10 IV's Micro Four Thirds lens mount.

Another important factor is the availability of image stabilization. Olympus E-M10 IV has a big advantage in this regard because it has a sensor based image stabilization (IS) which means that all the lenses mounted to this body will be stabilized. E-M10 IV's built-in Image stabilization system is effective to compensate vibration up to 4.5-stops according to CIPA standards.
On the other hand, Nikon D7500 doesn't have this feature so you have to buy a lens with optical stabilization feature. Currently there are 107 lenses for Nikon F mount with Optical Image Stabilization features.

Lens Type # of Olympus E-M10 IV Lenses # of Nikon D7500 Lenses
Standard Zoom 18 32
Standard Prime 15 22
Wideangle Zoom 6 33
Wideangle Prime 32 50
Telephoto Zoom 19 55
Telephoto Prime 11 46
SuperZoom 8 30
Wideangle Fisheye Prime 5 8
Macro Prime 4 26
Perspective Control Prime n/a 11
Telephoto Mirror Prime 1 1
TOTAL 120 316


Now let's compare some sample lenses from each mount with typical Focal ranges for Olympus E-M10 IV and Nikon D7500 to see how these lenses compares:

Fast Standard Zoom Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
OM System 12-40mm F2.8 PRO II Lens OM System 12-40mm F2.8 PRO II
24 - 80mm 382gr 765gr 84mm Amazon B&H Photo
Nikon 17-55mm f2.8G ED-IF Lens Nikon 17-55mm f2.8G ED-IF
25.5 - 82.5mm 755gr 1475gr 111mm Amazon B&H Photo
Fast Tele Zoom Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus ED 35-100mm f2.0 Lens Olympus ED 35-100mm f2.0
70 - 200mm 1650gr 2033gr 214mm Amazon B&H Photo
Sigma 50-150mm F2.8 EX DC OS HSM Lens Sigma 50-150mm F2.8 EX DC OS HSM
75 - 225mm 1350gr 2070gr 198mm Amazon B&H Photo
Fast Normal Prime Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus M 25mm F1.8 Lens Olympus M 25mm F1.8
50mm 136gr 519gr 41mm Amazon B&H Photo
Nikon 35mm f1.8G Lens Nikon 35mm f1.8G
52.5mm 200gr 920gr 53mm Amazon B&H Photo
Fast Wideangle Zoom Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus ED 7-14mm F2.8 PRO Lens Olympus ED 7-14mm F2.8 PRO
14 - 28mm 534gr 917gr 106mm Amazon B&H Photo
Nikon 10-24mm f3-5-4.5G ED Lens Nikon 10-24mm f3-5-4.5G ED
15 - 36mm 460gr 1180gr 87mm Amazon B&H Photo
24-105mm f4 Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus ED 12-60mm f2.8-4.0 SWD Lens Olympus ED 12-60mm f2.8-4.0 SWD
24 - 120mm 575gr 958gr 99mm Amazon B&H Photo
Nikon DX 16-80mm F2.8-4E ED VR Lens Nikon DX 16-80mm F2.8-4E ED VR
24 - 120mm 480gr 1200gr 86mm Amazon B&H Photo
Super-Tele Zoom Equivalent Lenses
Model FF Equiv. Weight Weight w/ Cam Length Street Price
Olympus 150-400mm F4.5 TC 1.25x IS Lens Olympus 150-400mm F4.5 TC 1.25x IS
300 - 800mm 1850gr 2233gr 314mm Amazon B&H Photo
Nikon 80-400mm f4.5-5.6G ED VR Lens Nikon 80-400mm f4.5-5.6G ED VR
80 - 400mm 1570gr 2290gr 203mm Amazon B&H Photo
What types of Photography are Olympus E-M10 IV and Nikon D7500 Good for?
In this section, we rank and compare Olympus E-M10 IV and Nikon D7500 for five different photography types in order to make your decision process easier in case you are specifically interested in one or more of these areas.

Olympus E-M10 IV for Portrait Photography

GOOD

Nikon D7500 for Portrait Photography

AVERAGE
Large Four Thirds (17.4 x 13 mm) sensor
Very High Resolution Sensor: 20.0MP
Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Read the details
Large APS-C (23.5 x 15.7 mm) sensor
Very High Resolution Sensor: 21.0MP
Optical Built-in Viewfinder
Good Ergonomics&Handling
No Image Stabilization
Read the details

Olympus E-M10 IV for Street Photography

EXCELLENT

Nikon D7500 for Street Photography

GOOD
Large Four Thirds (17.4 x 13 mm) sensor
Image Stabilization
Electronic Built-in Viewfinder
Live-view
Face-Detection Focusing
Tilting LCD Screen
Medium sized Body
Read the details
Large APS-C (23.5 x 15.7 mm) sensor
Optical Built-in Viewfinder
Live-view
Face-Detection Focusing
Tilting LCD Screen
No Image Stabilization
Large Body
Read the details

Olympus E-M10 IV for Sports Photography

GOOD

Nikon D7500 for Sports Photography

EXCELLENT
Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Fast Continuous Shooting: 8.7fps
Fast Max shutter speed: 1/4000s
121 Focus Points
Wireless Connection
Environmental Sealings
Read the details
Optical Built-in Viewfinder
Good Ergonomics&Handling
Fast Continuous Shooting: 8.0fps
Environmental Sealings
Fast Max shutter speed: 1/8000s
15 Cross Type Focus sensors
51 Focus Points
Good Battery Life: 950 shots
Good Low Light ISO
Wireless Connection
Anti Flicker feature
No Image Stabilization
Read the details

Olympus E-M10 IV for Daily Photography

GOOD

Nikon D7500 for Daily Photography

GOOD
Large Four Thirds (17.4 x 13 mm) sensor
Medium size Body
383g
Body Thickness 49mm
Read the details
Large APS-C (23.5 x 15.7 mm) sensor
Environmental Sealings
Anti Flicker feature
Large Body
720g
Body Thickness 73mm
Read the details

Olympus E-M10 IV for Landscape Photography

AVERAGE

Nikon D7500 for Landscape Photography

AVERAGE
Large Four Thirds (17.4 x 13 mm) sensor
Very High Resolution Sensor: 20.0MP
Live-view
No Environmental Sealings
Read the details
Large APS-C (23.5 x 15.7 mm) sensor
Very High Resolution Sensor: 21.0MP
Environmental Sealings
Live-view
Read the details

Olympus E-M10 IV vs Nikon D7500: OUR DECISION

You may have already made your decision about which camera suits better for your needs and your budget so far but in case you wonder how we rated Olympus E-M10 IV and Nikon D7500, below you can find their scores in five different aspects. Our Decision Algorithm dynamically scores cameras using 69 different specs, current price and DxO Mark scores (where possible) in order to make a more objective and consistent comparison.

Here is a summary of how Olympus E-M10 IV and Nikon D7500 scores compare:

Olympus E-M10 IV
Imaging
Features
Value
Portability
Overall
Ranked #77 out of 109 in SLR-style mirrorless cameras
Ranked #139 out of 1257 in all Cameras
Nikon D7500
Imaging
Features
Value
Portability
Overall
Ranked #20 out of 95 in Mid-size SLR cameras
Ranked #114 out of 1257 in all Cameras

Nikon D7500 scores higher than the Olympus E-M10 IV in Overall. It has better image quality and better value than Olympus E-M10 IV. On the other hand, Olympus E-M10 IV is more portable and has more features than Nikon D7500.
If image quality is very important for you and you want to get the most bang for your bucks, choose the Nikon D7500.
If you are looking for a small camera where you can take everywhere with you, and having more features are also important, Olympus E-M10 IV is the right choice for you.

Olympus E-M10 IV
Olympus E-M10 IV
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Nikon D7500
Nikon D7500
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Nikon D7500 vs Olympus E-M10 IV Specs Table
Detailed comparison of specifications
General Olympus OM-D E-M10 IV Nikon D7500
Brand Olympus Nikon
Announced 2020-08-04 2017-04-12
Body Type SLR-style mirrorless Mid-size SLR
Sensor
Type CMOS CMOS
Size Four Thirds APS-C
Dimensions 17.4 x 13 mm 23.5 x 15.7 mm
Area 226.20mm2 368.95mm2
Megapixels 20 megapixels 21 megapixels
Max Resolution 5184 x 3888 5568 x 3712
Max Native Light sensitivity 25,600 ISO 51,200 ISO
Max Boosted Light Sensitivity 25600 ISO 1640000 ISO
Min Native Light sensitivity 200 ISO 100 ISO
Min Boosted Light Sensitivity 100 ISO 50 ISO
RAW Support
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 121 51
Lens
Manual Focus
Lens Mount Micro Four Thirds Nikon F
Number of Available Lenses 120 316
Screen
Type Tilting Tilting
Size 3.00" 3.20"
Resolution 1,040k dots 922k dots
Touch Screen
Viewfinder
Viewfinder Electronic Optical (pentaprism)
Viewfinder Resolution 2,360k dots no electronic viewfinder
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.62x 0.63x
Photography Features
Max Mechanical Shutter 1/4000s 1/8000s
Max Electronic Shutter 1/16000s n/a
Shutter Priority
Aperture Priority
Manual Exposure Mode
Custom White Balance
Built-in Image Stabilization Sensor-shift Digital only
Built-in Flash
Flash Range 7.20 m (at ISO 200) 12.00 m (at ISO 100)
Max Flash Sync 1/250s 1/250s
External Flash
Continuous Shooting 8.7 fps 8.0 fps
Multi-Segment Metering
Average Metering
Spot Metering
Partial Metering
AF-Area Metering
Center Weighted Metering
AE Bracketing
WB Bracketing
Video Features
Max Video Resolution 3840 x 2160 3840 x 2160
Video Formats MPEG-4, H.264 MPEG-4, H.264
Microphone Port
Headphone Port
Connectivity
Wireless Connectivity Built-In Yes (Hot-shoe, Wireless plus sync connector)
HDMI
Physical
Environmental Sealing
Weight 383g 720g
Dimensions 122 x 84 x 49mm 136 x 104 x 73mm
Battery Life 360 shots 950 shots
Other Features
Timelapse Recording
GPS None Optional
DxO Sensor Scores
DxO Overall Score not tested 86
DxO Color Depth not tested 24.3
DxO Dynamic Range not tested 14.0
DxO Low Light ISO not tested 1483
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