Olympus E-PL7 vs Pentax 645D

Olympus PEN E-PL7 front
Pentax 645D front

Olympus E-PL7 vs Pentax 645D Key Specs

Olympus E-PL7
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 100 - 25600
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 357g - 115 x 67 x 38mm
  • Launched September 2014
  • Succeeded the Olympus E-PL6
  • Newer Model is Olympus E-PL8
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Display
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Revealed March 2010
  • Newer Model is Pentax 645Z
Photography Glossary

Olympus E-PL7 vs Pentax 645D Overview

On this page, we are analyzing the Olympus E-PL7 vs Pentax 645D, one being a Entry-Level Mirrorless and the other is a Pro DSLR by manufacturers Olympus and Pentax. There is a significant difference among the resolutions of the E-PL7 (16MP) and 645D (40MP) and the E-PL7 (Four Thirds) and 645D (Medium format) offer totally different sensor sizes.

Samsung Releases Faster Versions of EVO MicroSD Cards

The E-PL7 was brought out 4 years later than the 645D and that is a fairly sizable gap as far as camera tech is concerned. Both cameras have different body design with the Olympus E-PL7 being a Rangefinder-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before diving right into a thorough comparison, here is a concise overview of how the E-PL7 matches up vs the 645D in terms of portability, imaging, features and an overall rating.

Body cameras now worn by bakery staff to deter stealing

Reasons to pick Olympus E-PL7 over the Pentax 645D

 E-PL7 645D 
RevealedSeptember 2014March 2010Fresher by 55 months
Display typeTiltingFixed Tilting display
Display resolution1037k921kClearer display (+116k dot)
Selfie screen Take selfies
Touch display Easily navigate

Reasons to pick Pentax 645D over the Olympus E-PL7

 645D E-PL7 

Common features in the Olympus E-PL7 and Pentax 645D

 E-PL7 645D 
Focus manually Very accurate focusing
Display dimensions3"3"Equal display dimensions

Olympus E-PL7 vs Pentax 645D Physical Comparison

For anybody who is planning to carry your camera regularly, you will need to consider its weight and size. The Olympus E-PL7 features physical measurements of 115mm x 67mm x 38mm (4.5" x 2.6" x 1.5") accompanied by a weight of 357 grams (0.79 lbs) while the Pentax 645D has specifications of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).

See the Olympus E-PL7 vs Pentax 645D in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you are using during that time. Below is a front view over all size comparison of the E-PL7 vs the 645D.

Olympus E-PL7 vs Pentax 645D size comparison

Looking at size and weight, the portability rating of the E-PL7 and 645D is 86 and 50 respectively.

Olympus E-PL7 vs Pentax 645D top view buttons comparison

Olympus E-PL7 vs Pentax 645D Sensor Comparison

Often, it is very hard to see the contrast in sensor sizing simply by looking through technical specs. The photograph below might give you a more clear sense of the sensor sizing in the E-PL7 and 645D.

As you can tell, each of these cameras have different megapixels and different sensor sizing. The E-PL7 due to its smaller sensor will make achieving shallower depth of field more difficult and the Pentax 645D will render greater detail having its extra 24 Megapixels. Greater resolution can also let you crop images a bit more aggressively. The more recent E-PL7 is going to have an edge in sensor technology.

Olympus E-PL7 vs Pentax 645D sensor size comparison

Olympus E-PL7 vs Pentax 645D Screen and ViewFinder

Olympus E-PL7 vs Pentax 645D Screen and Viewfinder comparison
Snapchat Adds Watermarks to AI-Created Images

Photography Type Scores

Portrait Comparison

Olympus E-PL7 Portrait photography advice
Pentax 645D Portrait photography advice
has manual focus
good MP (16MP)
decent sensor size (Four Thirds)
has face detection autofocus
saves RAW files
you can focus manually
megapixel count amazing (40MP)
sensor size is large (Medium format)
delivers RAW formats
no liveview
Sora from OpenAI releases its first ever music video

Street Comparison

Olympus E-PL7 as a Street photography camera
Pentax 645D as a Street photography camera
has a tilting screen
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
saves RAW files
has touch focus
above average ISO range (25,600)
sensor size is large (Medium format)
delivers RAW formats
weather sealing
no articulating screen
no image stabilization
President Biden pushes bill mandating TikTok sale or ban

Sports Comparison

Olympus E-PL7 Sports photography details
Pentax 645D Sports photography details
built in image stabilization (Sensor based)
good MP (16 megapixels)
decent sensor size (Four Thirds)
has tracking autofocus
no phase detect autofocus
megapixel count amazing (40MP)
sensor size is large (Medium format)
weather sealing
comes with phase detect auto focus
no liveview
max fps very slow (1.0 fps)
no image stabilization
terrible battery life (800 per charge)
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

Travel Comparison

Olympus E-PL7 Travel photography features
Pentax 645D Travel photography features
has touch focus
good MP (16 megapixels)
display is selfie friendly
weather sealing
megapixel count amazing (40MP)
terrible battery life (800 CIPA)
screen is not selfie friendly
Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

Landscape Comparison

Landscape photography with Olympus E-PL7
Landscape photography with Pentax 645D
has manual focus
switch lenses (Micro Four Thirds mount)
screen size is good (3 inch)
built in image stabilization (Sensor based)
good MP (16 megapixels)
decent sensor size (Four Thirds)
above average ISO range (25,600)
saves RAW files
you can focus manually
change lenses (Pentax 645AF2 mount)
screen is a decent size (3 inches)
megapixel count amazing (40 megapixels)
sensor size is large (Medium format)
doesnt have anti aliasing filter
delivers RAW formats
weather sealing
has dual storage slots
no liveview
no image stabilization
terrible battery life (800 CIPA)
Photobucket discusses licensing 13 billion images with AI firms

Vlogging Comparison

Olympus E-PL7 Vlogging highlights
Pentax 645D Vlogging highlights
display is selfie friendly
touchscreen capability
built in image stabilization (Sensor based)
has face detection autofocus
video res high (1920 x 1080 resolution)
doesn't have external mic socket
lack of video recording
Meta to Introduce 'AI-Generated' Labels for Media starting next month

Olympus E-PL7 vs Pentax 645D Specifications

Detailed spec comparison table for Olympus E-PL7 and Pentax 645D
 Olympus PEN E-PL7Pentax 645D
General Information
Company Olympus Pentax
Model type Olympus PEN E-PL7 Pentax 645D
Class Entry-Level Mirrorless Pro DSLR
Launched 2014-09-01 2010-03-10
Body design Rangefinder-style mirrorless Large SLR
Sensor Information
Processor Chip TruePic VII Prime II
Sensor type CMOS CCD
Sensor size Four Thirds Medium format
Sensor dimensions 17.3 x 13mm 44 x 33mm
Sensor surface area 224.9mm² 1,452.0mm²
Sensor resolution 16 megapixel 40 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3
Max resolution 4608 x 3456 7264 x 5440
Max native ISO 25600 1600
Minimum native ISO 100 200
RAW data
Minimum enhanced ISO - 100
Focus manually
Touch to focus
Continuous AF
Single AF
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 81 11
Lens mount type Micro Four Thirds Pentax 645AF2
Total lenses 107 6
Crop factor 2.1 0.8
Screen type Tilting Fixed Type
Screen size 3 inches 3 inches
Resolution of screen 1,037k dot 921k dot
Selfie friendly
Touch screen
Screen technology - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Minimum shutter speed 60 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter speed 8.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash settings no built-in flash Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AE bracketing
White balance bracketing
Fastest flash sync - 1/125 seconds
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) -
Max video resolution 1920x1080 None
Video file format H.264, Motion JPEG -
Mic input
Headphone input
Wireless Built-In None
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 357 gr (0.79 lbs) 1480 gr (3.26 lbs)
Physical dimensions 115 x 67 x 38mm (4.5" x 2.6" x 1.5") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO Overall rating 72 82
DXO Color Depth rating 22.7 24.6
DXO Dynamic range rating 12.4 12.6
DXO Low light rating 873 1262
Battery life 350 photographs 800 photographs
Battery format 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 feature
Type of storage SD/SDHC/SDXC card SD/SDHC
Storage slots One 2
Pricing at release $499 $4,000