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Sigma fp vs Sony A850

Portability
84
Imaging
76
Features
79
Overall
77
Sigma fp front
 
Sony Alpha DSLR-A850 front
Portability
54
Imaging
68
Features
60
Overall
64

Sigma fp vs Sony A850 Key Specs

Sigma fp
(Full Review)
  • 25MP - Full frame Sensor
  • 3.2" Fixed Display
  • ISO 100 - 25600 (Push to 102400)
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 422g - 113 x 70 x 45mm
  • Announced July 2019
  • Refreshed by Sigma fp L
Sony A850
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200 (Raise to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Announced April 2010
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Sigma fp vs Sony A850 Overview

The following is a extended overview of the Sigma fp vs Sony A850, one is a Advanced Mirrorless and the latter is a Advanced DSLR by rivals Sigma and Sony. The sensor resolution of the fp (25MP) and the A850 (25MP) is relatively well matched and they enjoy the same exact sensor sizes (Full frame).

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The fp was unveiled 9 years after the A850 which is quite a big gap as far as technology is concerned. Both of the cameras offer different body type with the Sigma fp being a Rangefinder-style mirrorless camera and the Sony A850 being a Mid-size SLR camera.

Before diving in to a in-depth comparison, below is a concise introduction of how the fp grades vs the A850 for portability, imaging, features and an overall mark.

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Reasons to pick Sigma fp over the Sony A850

 fp A850 
AnnouncedJuly 2019April 2010Newer by 113 months
Screen sizing3.2"3"Bigger screen (+0.2")
Screen resolution2100k922kSharper screen (+1178k dot)
Touch friendly screen Quickly navigate

Reasons to pick Sony A850 over the Sigma fp

 A850 fp 

Common features in the Sigma fp and Sony A850

 fp A850 
Focus manually Dial exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Missing selfie screen

Sigma fp vs Sony A850 Physical Comparison

For anyone who is going to travel with your camera, you should consider its weight and size. The Sigma fp enjoys exterior measurements of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") and a weight of 422 grams (0.93 lbs) while the Sony A850 has specifications of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).

Contrast the Sigma fp vs Sony A850 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you have chosen at that moment. Below is the front view dimension comparison of the fp versus the A850.

Sigma fp vs Sony A850 size comparison

Factoring in dimensions and weight, the portability rating of the fp and A850 is 84 and 54 respectively.

Sigma fp vs Sony A850 top view buttons comparison

Sigma fp vs Sony A850 Sensor Comparison

Quite often, it is hard to envision the difference between sensor dimensions simply by checking specs. The image here might provide you a greater sense of the sensor measurements in the fp and A850.

As you can plainly see, the two cameras enjoy the same exact sensor sizing and the same megapixels therefore you should expect similar quality of images although you need to consider the production date of the products into consideration. The more recent fp will have a benefit in sensor innovation.

Sigma fp vs Sony A850 sensor size comparison

Sigma fp vs Sony A850 Screen and ViewFinder

Sigma fp vs Sony A850 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sigma fp
Portrait photography with Sony A850
85
focusing manually
fantastic MP (25MP)
sensor size is great (Full frame)
supports face detect focus
exports RAW files
72
has manual focus
fantastic MP (25 megapixels)
great sensor size (Full frame)
saves RAW files
no liveview feature
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Street Comparison

Street photography with Sigma fp
Street photography with Sony A850
77
sensor size is great (Full frame)
exports RAW files
features focus by touch
environment proofing
good ISO range (25,600)
no articulating screen
no image stabilization
66
built in image stabilization (Sensor based)
great sensor size (Full frame)
saves RAW files
environment proof
no moving screen
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Sports Comparison

Sigma fp Sports photography advice
Sony A850 Sports photography advice
73
maximum shutter speed is high (1/8,000 seconds)
fantastic MP (25 megapixels)
sensor size is great (Full frame)
supports tracking focus
environment proofing
no image stabilization
lacks phase detect auto focus
71
high shutter speed (1/8,000s)
built in image stabilization (Sensor based)
fantastic MP (25MP)
great sensor size (Full frame)
environment proof
sensor has phase detect AF
no liveview feature
max frames per second very slow (3.0 frames per second)
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Travel Comparison

Sigma fp as a Travel photography camera
Sony A850 as a Travel photography camera
78
environment proofing
features focus by touch
fantastic MP (25MP)
doesn't feature selfie friendly display
55
environment proof
fantastic MP (25 megapixels)
no Time Lapse function
display isn't selfie friendly
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Landscape Comparison

Sigma fp Landscape photography advice
Sony A850 Landscape photography advice
83
focusing manually
switch lenses (Leica L mount)
nice screen size (3.2 inches)
fantastic MP (25 megapixels)
sensor size is great (Full frame)
good ISO range (25,600)
exports RAW files
environment proofing
no image stabilization
73
has manual focus
switch lenses (Sony/Minolta Alpha mount)
screen size is good (3")
built in image stabilization (Sensor based)
fantastic MP (25 megapixels)
great sensor size (Full frame)
saves RAW files
environment proof
two card slots
no liveview feature
no Time Lapse function
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Vlogging Comparison

Sigma fp Vlogging factors
Sony A850 Vlogging factors
37
touchscreen functionality
supports face detect focus
great video quality (3840 x 2160 pxls)
comes with microphone jack
doesn't feature selfie friendly display
no image stabilization
9
lack of video recording
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Sigma fp vs Sony A850 Specifications

Detailed spec comparison table for Sigma fp and Sony A850
 Sigma fpSony Alpha DSLR-A850
General Information
Manufacturer Sigma Sony
Model Sigma fp Sony Alpha DSLR-A850
Category Advanced Mirrorless Advanced DSLR
Announced 2019-07-11 2010-04-15
Physical type Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Chip - Bionz
Sensor type BSI-CMOS CMOS
Sensor size Full frame Full frame
Sensor dimensions 35.9 x 23.9mm 35.9 x 24mm
Sensor surface area 858.0mm² 861.6mm²
Sensor resolution 25MP 25MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Full resolution 6000 x 4000 6048 x 4032
Max native ISO 25600 3200
Max boosted ISO 102400 6400
Lowest native ISO 100 200
RAW data
Lowest boosted ISO 6 -
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 49 9
Lens
Lens mounting type Leica L Sony/Minolta Alpha
Amount of lenses 30 143
Focal length multiplier 1 1
Screen
Type of display Fixed Type Fixed Type
Display size 3.2 inches 3 inches
Display resolution 2,100 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch display
Display technology - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.74x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/8000s
Continuous shooting rate 12.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash options no built-in flash Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AE bracketing
WB bracketing
Maximum flash synchronize - 1/250s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 @ 30p, MOV, H.264, Linear PCM -
Max video resolution 3840x2160 None
Video data format MPEG-4, H.264 -
Mic port
Headphone port
Connectivity
Wireless No None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 422 grams (0.93 lb) 895 grams (1.97 lb)
Dimensions 113 x 70 x 45mm (4.4" x 2.8" x 1.8") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO All around score not tested 79
DXO Color Depth score not tested 23.8
DXO Dynamic range score not tested 12.2
DXO Low light score not tested 1415
Other
Battery life - 880 images
Style of battery - Battery Pack
Battery model BP-51 NP-FM500H
Self timer Yes (2 or 10 wec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC/SDXC (UHS-II supported) Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo
Card slots Single Dual
Retail cost $2,050 $0