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Panasonic FS25 vs Pentax 645Z

Portability
95
Imaging
34
Features
24
Overall
30
Panasonic Lumix DMC-FS25 front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Panasonic FS25 vs Pentax 645Z Key Specs

Panasonic FS25
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 1600 (Increase to 6400)
  • Optical Image Stabilization
  • 640 x 480 video
  • 29-145mm (F3.3-5.9) lens
  • 148g - 97 x 58 x 22mm
  • Introduced January 2009
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Introduced April 2014
  • Succeeded the Pentax 645D
Photography Glossary

Panasonic FS25 vs Pentax 645Z Overview

Its time to take a deeper look at the Panasonic FS25 versus Pentax 645Z, one being a Small Sensor Compact and the latter is a Pro DSLR by brands Panasonic and Pentax. There exists a huge gap among the sensor resolutions of the FS25 (12MP) and 645Z (51MP) and the FS25 (1/2.3") and 645Z (Medium format) boast different sensor sizes.

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The FS25 was unveiled 6 years prior to the 645Z and that is a fairly significant gap as far as camera technology is concerned. The two cameras feature different body design with the Panasonic FS25 being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before delving into a more detailed comparison, here is a brief introduction of how the FS25 grades versus the 645Z in the way of portability, imaging, features and an overall grade.

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Reasons to pick Panasonic FS25 over the Pentax 645Z

 FS25 645Z 

Reasons to pick Pentax 645Z over the Panasonic FS25

 645Z FS25 
IntroducedApril 2014January 2009More recent by 63 months
Manual focus More precise focus
Screen typeTiltingFixed Tilting screen
Screen size3.2"3"Bigger screen (+0.2")
Screen resolution1037k230kCrisper screen (+807k dot)

Common features in the Panasonic FS25 and Pentax 645Z

 FS25 645Z 
Selfie screen Absent selfie screen
Touch friendly screen Neither offers Touch friendly screen

Panasonic FS25 vs Pentax 645Z Physical Comparison

In case you're looking to lug around your camera regularly, you need to take into account its weight and proportions. The Panasonic FS25 offers outer measurements of 97mm x 58mm x 22mm (3.8" x 2.3" x 0.9") with a weight of 148 grams (0.33 lbs) while the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs).

Contrast the Panasonic FS25 versus Pentax 645Z in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilising at that moment. Following is a front view dimension comparison of the FS25 compared to the 645Z.

Panasonic FS25 vs Pentax 645Z size comparison

Looking at dimensions and weight, the portability grade of the FS25 and 645Z is 95 and 49 respectively.

Panasonic FS25 vs Pentax 645Z top view buttons comparison

Panasonic FS25 vs Pentax 645Z Sensor Comparison

Normally, it is very difficult to imagine the contrast in sensor measurements simply by researching a spec sheet. The photograph underneath might give you a far better sense of the sensor sizing in the FS25 and 645Z.

As you can see, the two cameras feature different resolutions and different sensor measurements. The FS25 with its smaller sensor is going to make shooting shallower depth of field more difficult and the Pentax 645Z will provide you with extra detail having an extra 39 Megapixels. Higher resolution will let you crop pictures way more aggressively. The older FS25 will be behind in sensor technology.

Panasonic FS25 vs Pentax 645Z sensor size comparison

Panasonic FS25 vs Pentax 645Z Screen and ViewFinder

Panasonic FS25 vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic FS25 Portrait photography features
Pentax 645Z Portrait photography features
26
supports face detection focusing
manual focus not available
no manual exposure
no external flash support
low resolution (12 megapixels)
very small sensor size (1/2.3")
no RAW format
88
focusing manually
megapixel count high (51MP)
sensor size is large (Medium format)
comes with face detect focusing
exports RAW formats
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Street Comparison

Panasonic FS25 Street photography factors
Pentax 645Z Street photography factors
56
has image stabilization (Optical)
screen is fixed
very small sensor size (1/2.3")
no RAW format
63
tilting screen
sensor size is large (Medium format)
exports RAW formats
environment proof
above average high ISO (204,800)
does not have image stabilization
more heavy than competition (1,550 grams)
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Sports Comparison

Panasonic FS25 Sports photography info
Pentax 645Z Sports photography info
25
has image stabilization (Optical)
max fps low (2.0 frames/s)
no shutter priority mode
low resolution (12 megapixels)
very small sensor size (1/2.3")
no phase detect AF
71
megapixel count high (51 megapixels)
sensor size is large (Medium format)
comes with tracking focus
environment proof
comes with phase detect AF
max fps low (3.0 frames/s)
does not have image stabilization
bad battery power (650 shots)
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Travel Comparison

Panasonic FS25 Travel photography features
Pentax 645Z Travel photography features
51
has built in flash
lack of Time Lapse recording
low resolution (12MP)
display is not selfie friendly
wide angle not fantastic (29mm)
somewhat slow maximum aperture (f3.3)
51
environment proof
megapixel count high (51MP)
bad battery power (650 CIPA)
more heavy than competition (1,550 grams)
doesn't offer selfie friendly display
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Landscape Comparison

Landscape photography with Panasonic FS25
Landscape photography with Pentax 645Z
32
screen size is good (3 inches)
has image stabilization (Optical)
manual focus not available
fixed lens (fixed lens mount)
wide angle not fantastic (29mm)
somewhat slow maximum aperture (f3.3)
no manual exposure
low resolution (12 megapixels)
very small sensor size (1/2.3")
no RAW format
lack of Time Lapse recording
78
focusing manually
switch lenses (Pentax 645AF2 mount)
nice screen size (3.2")
megapixel count high (51 megapixels)
sensor size is large (Medium format)
doesnt have anti aliasing filter
above average high ISO (204,800)
exports RAW formats
environment proof
two card slots
does not have image stabilization
bad battery power (650 per charge)
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Vlogging Comparison

Panasonic FS25 Vlogging information
Pentax 645Z Vlogging information
28
has image stabilization (Optical)
supports face detection focusing
wide angle not fantastic (29mm)
somewhat slow maximum aperture (f3.3)
display is not selfie friendly
low res video (640 x 480 pxls)
lack of external mic jack
27
comes with face detect focusing
high quality video (1920 x 1080 pixels)
does have microphone socket
doesn't offer selfie friendly display
does not have image stabilization
more heavy than competition (1,550g)
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Panasonic FS25 vs Pentax 645Z Specifications

Detailed spec comparison table for Panasonic FS25 and Pentax 645Z
 Panasonic Lumix DMC-FS25Pentax 645Z
General Information
Brand Panasonic Pentax
Model type Panasonic Lumix DMC-FS25 Pentax 645Z
Type Small Sensor Compact Pro DSLR
Introduced 2009-01-27 2014-04-15
Physical type Compact Large SLR
Sensor Information
Processor Chip - PRIME III
Sensor type CCD CMOS
Sensor size 1/2.3" Medium format
Sensor measurements 6.08 x 4.56mm 44 x 33mm
Sensor area 27.7mm² 1,452.0mm²
Sensor resolution 12 megapixels 51 megapixels
Anti alias filter
Aspect ratio 16:9, 4:3 and 3:2 4:3
Highest resolution 4000 x 3000 8256 x 6192
Highest native ISO 1600 204800
Highest boosted ISO 6400 -
Minimum native ISO 80 100
RAW data
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 11 27
Lens
Lens support fixed lens Pentax 645AF2
Lens zoom range 29-145mm (5.0x) -
Largest aperture f/3.3-5.9 -
Macro focusing distance 5cm -
Total lenses - 6
Focal length multiplier 5.9 0.8
Screen
Display type Fixed Type Tilting
Display sizing 3 inches 3.2 inches
Display resolution 230k dots 1,037k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/2000s 1/4000s
Continuous shooting rate 2.0fps 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Set WB
Image stabilization
Integrated flash
Flash distance 5.30 m no built-in flash
Flash options 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
External flash
Auto exposure bracketing
WB bracketing
Highest flash synchronize - 1/125s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Highest video resolution 640x480 1920x1080
Video data format Motion JPEG MPEG-4, H.264
Microphone 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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 148 gr (0.33 pounds) 1550 gr (3.42 pounds)
Physical dimensions 97 x 58 x 22mm (3.8" x 2.3" x 0.9") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO All around rating not tested 101
DXO Color Depth rating not tested 26.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 4505
Other
Battery life - 650 images
Battery type - Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 sec) Yes (2 or 10 secs)
Time lapse feature
Type of storage SD/MMC/SDHC card, Internal Dual SD/SDHC/SDXC slots
Card slots 1 2
Retail price $230 $5,024