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Fujifilm S3 Pro vs Pentax 645Z

Portability
54
Imaging
44
Features
43
Overall
43
Fujifilm FinePix S3 Pro front
 
Pentax 645Z front
Portability
49
Imaging
81
Features
74
Overall
78

Fujifilm S3 Pro vs Pentax 645Z Key Specs

Fujifilm S3 Pro
(Full Review)
  • 6MP - APS-C Sensor
  • 2" Fixed Screen
  • ISO 100 - 1600
  • No Video
  • Nikon F Mount
  • 930g - 148 x 135 x 80mm
  • Launched March 2005
  • Old Model is Fujifilm S2 Pro
  • Refreshed by Fujifilm S5 Pro
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Display
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Revealed April 2014
  • Superseded the Pentax 645D
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Fujifilm S3 Pro vs Pentax 645Z Overview

Below, we are evaluating the Fujifilm S3 Pro versus Pentax 645Z, both Pro DSLR digital cameras by brands FujiFilm and Pentax. There exists a noticeable gap between the sensor resolutions of the Fujifilm S3 Pro (6MP) and 645Z (51MP) and the Fujifilm S3 Pro (APS-C) and 645Z (Medium format) possess different sensor dimensions.

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The Fujifilm S3 Pro was launched 10 years before the 645Z and that is quite a sizable difference as far as technology is concerned. Both of these cameras come with the identical body type (Large SLR).

Before getting straight into a complete comparison, below is a brief summation of how the Fujifilm S3 Pro grades vs the 645Z in relation to portability, imaging, features and an overall rating.

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Reasons to pick Fujifilm S3 Pro over the Pentax 645Z

 Fujifilm S3 Pro 645Z 

Reasons to pick Pentax 645Z over the Fujifilm S3 Pro

 645Z Fujifilm S3 Pro 
RevealedApril 2014March 2005Fresher by 110 months
Display typeTiltingFixed Tilting display
Display dimension3.2"2"Larger display (+1.2")
Display resolution1037k235kClearer display (+802k dot)

Common features in the Fujifilm S3 Pro and Pentax 645Z

 Fujifilm S3 Pro 645Z 
Manually focus Very accurate focusing
Selfie screen Absent selfie screen
Touch friendly display Neither offers Touch friendly display

Fujifilm S3 Pro vs Pentax 645Z Physical Comparison

For those who are aiming to carry your camera, you have to consider its weight and proportions. The Fujifilm S3 Pro offers physical dimensions of 148mm x 135mm x 80mm (5.8" x 5.3" x 3.1") accompanied by a weight of 930 grams (2.05 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).

Take a look at the Fujifilm S3 Pro versus Pentax 645Z in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will vary based on the lens you select during that time. Here is the front view dimension comparison of the Fujifilm S3 Pro vs the 645Z.

Fujifilm S3 Pro vs Pentax 645Z size comparison

Considering dimensions and weight, the portability grade of the Fujifilm S3 Pro and 645Z is 54 and 49 respectively.

Fujifilm S3 Pro vs Pentax 645Z top view buttons comparison

Fujifilm S3 Pro vs Pentax 645Z Sensor Comparison

More often than not, it's tough to picture the contrast between sensor sizing purely by reviewing specs. The visual here will help provide you a clearer sense of the sensor dimensions in the Fujifilm S3 Pro and 645Z.

All in all, both of these cameras posses different resolutions and different sensor sizing. The Fujifilm S3 Pro due to its tinier sensor is going to make achieving bokeh more difficult and the Pentax 645Z will offer greater detail utilizing its extra 45MP. Greater resolution will also help you crop images somewhat more aggressively. The older Fujifilm S3 Pro is going to be behind when it comes to sensor technology.

Fujifilm S3 Pro vs Pentax 645Z sensor size comparison

Fujifilm S3 Pro vs Pentax 645Z Screen and ViewFinder

Fujifilm S3 Pro vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Fujifilm S3 Pro Portrait photography details
Pentax 645Z Portrait photography details
50
has manual focus
sensor size is decent (APS-C)
delivers RAW formats
doesn't have liveview
low MP (6MP)
88
focusing manually
high MP (51 megapixels)
great sensor size (Medium format)
includes face detect autofocus
delivers RAW files
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Street Comparison

Fujifilm S3 Pro as a Street photography camera
Pentax 645Z as a Street photography camera
56
sensor size is decent (APS-C)
delivers RAW formats
environment proof
lighter than competition (930g)
screen is fixed
does not have image stabilization
63
screen tilts
great sensor size (Medium format)
delivers RAW files
weather proofing
above average ISO range (204,800)
does not have image stabilization
heavier than competition (1,550 grams)
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Sports Comparison

Fujifilm S3 Pro Sports photography features
Pentax 645Z Sports photography features
47
sensor size is decent (APS-C)
environment proof
sensor has phase detect auto focus
doesn't have liveview
does not have image stabilization
low MP (6 megapixels)
71
high MP (51MP)
great sensor size (Medium format)
includes tracking focus
weather proofing
has phase detect autofocus
low fps (3.0 frames per second)
does not have image stabilization
low battery life (650 shots)
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Travel Comparison

Fujifilm S3 Pro as a Travel photography camera
Pentax 645Z as a Travel photography camera
50
lighter than competition (930g)
environment proof
flash built-in
no Time Lapse recording
low MP (6MP)
does not offer selfie friendly display
51
weather proofing
high MP (51MP)
low battery life (650 per charge)
heavier than competition (1,550 grams)
does not posses selfie friendly screen
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Landscape Comparison

Fujifilm S3 Pro Landscape photography highlights
Pentax 645Z Landscape photography highlights
48
has manual focus
interchangeable lenses (Nikon F mount)
sensor size is decent (APS-C)
delivers RAW formats
environment proof
screen is small (2")
doesn't have liveview
does not have image stabilization
low MP (6 megapixels)
no Time Lapse recording
78
focusing manually
change lenses (Pentax 645AF2 mount)
screen size is good (3.2 inches)
high MP (51 megapixels)
great sensor size (Medium format)
does not have low pass filter
above average ISO range (204,800)
delivers RAW files
weather proofing
two card slots
does not have image stabilization
low battery life (650 per charge)
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Vlogging Comparison

Fujifilm S3 Pro Vlogging factors
Pentax 645Z Vlogging factors
9
no video
27
includes face detect autofocus
high res video (1920 x 1080 pxls)
has mic socket
does not posses selfie friendly screen
does not have image stabilization
heavier than competition (1,550g)
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Fujifilm S3 Pro vs Pentax 645Z Specifications

Detailed spec comparison table for Fujifilm S3 Pro and Pentax 645Z
 Fujifilm FinePix S3 ProPentax 645Z
General Information
Brand FujiFilm Pentax
Model Fujifilm FinePix S3 Pro Pentax 645Z
Type Pro DSLR Pro DSLR
Launched 2005-03-16 2014-04-15
Physical type Large SLR Large SLR
Sensor Information
Processor Chip - PRIME III
Sensor type CCD CMOS
Sensor size APS-C Medium format
Sensor dimensions 23 x 15.5mm 44 x 33mm
Sensor area 356.5mm² 1,452.0mm²
Sensor resolution 6 megapixels 51 megapixels
Anti aliasing filter
Aspect ratio 3:2 4:3
Max resolution 4256 x 2848 8256 x 6192
Max native ISO 1600 204800
Lowest native ISO 100 100
RAW images
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points - 27
Lens
Lens mounting type Nikon F Pentax 645AF2
Total lenses 309 6
Crop factor 1.6 0.8
Screen
Type of screen Fixed Type Tilting
Screen sizing 2 inches 3.2 inches
Screen resolution 235k dots 1,037k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 94 percent 98 percent
Viewfinder magnification - 0.85x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter rate - 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash range 15.00 m no built-in flash
Flash modes Auto, On, Off, Red-eye reduction, Slow Sync 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
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize 1/180 seconds 1/125 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Max video resolution None 1920x1080
Video format - 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 930 gr (2.05 lbs) 1550 gr (3.42 lbs)
Dimensions 148 x 135 x 80mm (5.8" x 5.3" x 3.1") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO Overall score 60 101
DXO Color Depth score 20.9 26.0
DXO Dynamic range score 13.5 14.7
DXO Low light score 346 4505
Other
Battery life - 650 shots
Battery type - Battery Pack
Battery model - D-LI90
Self timer Yes (2, 5, 2 or 100 sec) Yes (2 or 10 secs)
Time lapse shooting
Storage type xD Picture Card, Compact Flash Type I or II Dual SD/SDHC/SDXC slots
Card slots 1 Two
Price at release $0 $5,024