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Panasonic FZ40 vs Pentax K-3

Portability
68
Imaging
37
Features
40
Overall
38
Panasonic Lumix DMC-FZ40 front
 
Pentax K-3 front
Portability
59
Imaging
65
Features
85
Overall
73

Panasonic FZ40 vs Pentax K-3 Key Specs

Panasonic FZ40
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 6400
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-600mm (F2.8-5.2) lens
  • 494g - 120 x 80 x 92mm
  • Introduced July 2010
  • Alternate Name is Lumix DMC-FZ45
Pentax K-3
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Released April 2014
  • Later Model is Pentax K-3 II
Photography Glossary

Panasonic FZ40 vs Pentax K-3 Overview

Its time to look more closely at the Panasonic FZ40 and Pentax K-3, one being a Small Sensor Superzoom and the latter is a Advanced DSLR by brands Panasonic and Pentax. There is a significant difference among the image resolutions of the FZ40 (14MP) and K-3 (24MP) and the FZ40 (1/2.3") and K-3 (APS-C) have different sensor dimensions.

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The FZ40 was announced 4 years earlier than the K-3 and that is a fairly sizable gap as far as camera tech is concerned. Each of these cameras feature different body design with the Panasonic FZ40 being a SLR-like (bridge) camera and the Pentax K-3 being a Mid-size SLR camera.

Before diving into a more detailed comparison, here is a quick synopsis of how the FZ40 scores vs the K-3 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Panasonic FZ40 over the Pentax K-3

 FZ40 K-3 

Reasons to pick Pentax K-3 over the Panasonic FZ40

 K-3 FZ40 
ReleasedApril 2014July 2010Fresher by 45 months
Screen size3.2"3"Bigger screen (+0.2")
Screen resolution1037k230kCrisper screen (+807k dot)

Common features in the Panasonic FZ40 and Pentax K-3

 FZ40 K-3 
Focus manually More exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Lack of selfie screen
Touch screen Lack of Touch screen

Panasonic FZ40 vs Pentax K-3 Physical Comparison

For those who are aiming to carry your camera regularly, you'll need to consider its weight and measurements. The Panasonic FZ40 has got physical dimensions of 120mm x 80mm x 92mm (4.7" x 3.1" x 3.6") accompanied by a weight of 494 grams (1.09 lbs) while the Pentax K-3 has proportions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

See the Panasonic FZ40 and Pentax K-3 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you have during that time. Underneath is a front view sizing comparison of the FZ40 compared to the K-3.

Panasonic FZ40 vs Pentax K-3 size comparison

Factoring in size and weight, the portability grade of the FZ40 and K-3 is 68 and 59 respectively.

Panasonic FZ40 vs Pentax K-3 top view buttons comparison

Panasonic FZ40 vs Pentax K-3 Sensor Comparison

In many cases, its difficult to picture the gap in sensor sizing simply by viewing specifications. The photograph below might give you a far better sense of the sensor dimensions in the FZ40 and K-3.

Plainly, both of these cameras feature different resolutions and different sensor sizing. The FZ40 using its smaller sensor is going to make achieving shallower depth of field more difficult and the Pentax K-3 will result in extra detail with its extra 10MP. Higher resolution will also let you crop shots way more aggressively. The older FZ40 will be disadvantaged in sensor innovation.

Panasonic FZ40 vs Pentax K-3 sensor size comparison

Panasonic FZ40 vs Pentax K-3 Screen and ViewFinder

Panasonic FZ40 vs Pentax K-3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic FZ40 Portrait photography features
Pentax K-3 Portrait photography features
46
manual focus
decent sensor resolution (14MP)
supports RAW files
can't use external flash
small sensor (1/2.3")
79
you can focus manually
good megapixels (24MP)
good sensor size (APS-C)
provides face detect autofocus
exports RAW formats
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Street Comparison

Panasonic FZ40 Street photography advice
Pentax K-3 Street photography advice
51
built in image stabilization (Optical)
supports RAW files
no articulating screen
small sensor (1/2.3")
more heavy than competition in class (494 grams)
69
has image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
environment proof
great high ISO (51,200)
screen does not articulate
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Sports Comparison

Panasonic FZ40 as a Sports photography camera
Pentax K-3 as a Sports photography camera
43
amazing zoom range (25-600mm 24.0 x zoom)
built in image stabilization (Optical)
decent sensor resolution (14MP)
slow continuous shooting (2.0 fps)
small sensor (1/2.3")
has no phase detect autofocus
76
great max shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
good megapixels (24MP)
good sensor size (APS-C)
provides tracking focus
environment proof
supports phase detect autofocus
bad battery power (560 per charge)
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Travel Comparison

Panasonic FZ40 Travel photography information
Pentax K-3 Travel photography information
54
decent sensor resolution (14 megapixels)
has built in flash
reasonably wide (25mm)
long zoom (600mm)
lack of Timelapse recording
more heavy than competition in class (494 grams)
screen isn't selfie friendly
slow maximum aperture (f2.8)
60
environment proof
good megapixels (24 megapixels)
built-in flash
bad battery power (560 per charge)
display is not selfie friendly
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Landscape Comparison

Panasonic FZ40 Landscape photography advice
Pentax K-3 Landscape photography advice
51
manual focus
reasonably wide (25mm)
nice screen size (3 inches)
built in image stabilization (Optical)
decent sensor resolution (14 megapixels)
supports RAW files
fixed lens (fixed lens mount)
slow maximum aperture (f2.8)
small sensor (1/2.3")
lack of Timelapse recording
77
you can focus manually
switch lenses (Pentax KAF2 mount)
screen size is good (3.2 inches)
has image stabilization (Sensor based)
good megapixels (24MP)
good sensor size (APS-C)
does not have anti aliasing filter
great high ISO (51,200)
exports RAW formats
environment proof
2 card slots
bad battery power (560 CIPA)
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Vlogging Comparison

Panasonic FZ40 Vlogging highlights
Pentax K-3 Vlogging highlights
23
reasonably wide (25mm)
built in image stabilization (Optical)
slow maximum aperture (f2.8)
screen isn't selfie friendly
low video resolution (1280 x 720 pxls)
lack of external microphone support
more heavy than competition in class (494g)
34
has image stabilization (Sensor based)
provides face detect autofocus
video res high (1920 x 1080 pixels)
comes with microphone support
display is not selfie friendly
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Panasonic FZ40 vs Pentax K-3 Specifications

Detailed spec comparison table for Panasonic FZ40 and Pentax K-3
 Panasonic Lumix DMC-FZ40Pentax K-3
General Information
Manufacturer Panasonic Pentax
Model type Panasonic Lumix DMC-FZ40 Pentax K-3
Also Known as Lumix DMC-FZ45 -
Class Small Sensor Superzoom Advanced DSLR
Introduced 2010-07-21 2014-04-10
Physical type SLR-like (bridge) Mid-size SLR
Sensor Information
Processor Venus Engine HD II Prime III
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.08 x 4.56mm 23.5 x 15.6mm
Sensor area 27.7mm² 366.6mm²
Sensor resolution 14 megapixel 24 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest resolution 4320 x 3240 6016 x 4000
Highest native ISO 6400 51200
Lowest native ISO 80 100
RAW support
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points - 27
Cross type focus points - 25
Lens
Lens mount type fixed lens Pentax KAF2
Lens zoom range 25-600mm (24.0x) -
Largest aperture f/2.8-5.2 -
Macro focusing range 1cm -
Available lenses - 151
Focal length multiplier 5.9 1.5
Screen
Display type Fixed Type Fixed Type
Display size 3 inch 3.2 inch
Display resolution 230 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch capability
Display tech - TFT LCD monitor
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.64x
Features
Lowest shutter speed 60 secs 30 secs
Highest shutter speed 1/2000 secs 1/8000 secs
Continuous shooting rate 2.0fps 8.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance 9.50 m 13.00 m (at ISO 100)
Flash modes Auto, On, Off, Red-eye, Slow Sync Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual
Hot shoe
AEB
WB bracketing
Highest flash synchronize - 1/180 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (60, 30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30fps), 320 x 240 (30 fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Highest video resolution 1280x720 1920x1080
Video data format AVCHD Lite MPEG-4, H.264
Microphone support
Headphone support
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 494 gr (1.09 lb) 800 gr (1.76 lb)
Physical dimensions 120 x 80 x 92mm (4.7" x 3.1" x 3.6") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO All around rating not tested 80
DXO Color Depth rating not tested 23.7
DXO Dynamic range rating not tested 13.4
DXO Low light rating not tested 1216
Other
Battery life - 560 photographs
Battery style - Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 sec, 10 sec (3 pictures)) Yes ( 2 or 12 seconds)
Time lapse recording
Type of storage SD/SDHC/SDXC, Internal Dual SD/SDHC/SDXC
Card slots Single 2
Retail price $420 $639