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Sigma fp vs Sony A100

Portability
84
Imaging
76
Features
79
Overall
77
Sigma fp front
 
Sony Alpha DSLR-A100 front
Portability
64
Imaging
48
Features
38
Overall
44

Sigma fp vs Sony A100 Key Specs

Sigma fp
(Full Review)
  • 25MP - Full frame Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 25600 (Bump to 102400)
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 422g - 113 x 70 x 45mm
  • Announced July 2019
  • Renewed by Sigma fp L
Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Announced July 2006
  • Previous Model is Konica Minolta 5D
  • Renewed by Sony A550
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Sigma fp vs Sony A100 Overview

On this page, we are matching up the Sigma fp vs Sony A100, former is a Advanced Mirrorless while the other is a Entry-Level DSLR by brands Sigma and Sony. There is a noticeable difference among the sensor resolutions of the fp (25MP) and A100 (10MP) and the fp (Full frame) and A100 (APS-C) posses totally different sensor dimensions.

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The fp was announced 13 years after the A100 which is a fairly sizable difference as far as camera tech is concerned. The two cameras have different body design with the Sigma fp being a Rangefinder-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before delving right into a in-depth comparison, here is a brief summary of how the fp grades vs the A100 with regards to portability, imaging, features and an overall mark.

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Reasons to pick Sigma fp over the Sony A100

 fp A100 
AnnouncedJuly 2019July 2006Newer by 158 months
Display dimensions3.2"2.5"Larger display (+0.7")
Display resolution2100k230kCrisper display (+1870k dot)
Touch display Easily navigate

Reasons to pick Sony A100 over the Sigma fp

 A100 fp 

Common features in the Sigma fp and Sony A100

 fp A100 
Focus manually More accurate focus
Display typeFixed Fixed Fixed display
Selfie screen No selfie screen

Sigma fp vs Sony A100 Physical Comparison

When you are planning to travel with your camera frequently, you're going to have to factor in its weight and measurements. The Sigma fp has exterior dimensions of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") having a weight of 422 grams (0.93 lbs) and the Sony A100 has proportions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") having a weight of 638 grams (1.41 lbs).

Take a look at the Sigma fp vs Sony A100 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ dependant on the lens you are using during that time. Underneath is a front view proportions comparison of the fp compared to the A100.

Sigma fp vs Sony A100 size comparison

Considering size and weight, the portability rating of the fp and A100 is 84 and 64 respectively.

Sigma fp vs Sony A100 top view buttons comparison

Sigma fp vs Sony A100 Sensor Comparison

Generally, it is very hard to visualise the gap in sensor dimensions merely by seeing technical specs. The picture below might give you a far better sense of the sensor dimensions in the fp and A100.

As you can tell, both of these cameras provide different megapixel count and different sensor dimensions. The fp having a larger sensor will make getting bokeh less difficult and the Sigma fp will provide more detail with its extra 15MP. Greater resolution can also allow you to crop pics more aggressively. The more modern fp will have an advantage with regard to sensor tech.

Sigma fp vs Sony A100 sensor size comparison

Sigma fp vs Sony A100 Screen and ViewFinder

Sigma fp vs Sony A100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sigma fp
Portrait photography with Sony A100
85
you can focus manually
megapixel count amazing (25 megapixels)
sensor size is great (Full frame)
features face detection focusing
delivers RAW files
52
manual focus
sensor size is decent (APS-C)
delivers RAW files
no liveview
low MP (10MP)
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Street Comparison

Sigma fp as a Street photography camera
Sony A100 as a Street photography camera
77
sensor size is great (Full frame)
delivers RAW files
features touch focus
weather proof
good high ISO (25,600)
screen is fixed
lack of image stabilization
64
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
no articulating screen
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Sports Comparison

Sigma fp Sports photography info
Sony A100 Sports photography info
73
great max shutter speed (1/8,000 seconds)
megapixel count amazing (25MP)
sensor size is great (Full frame)
features tracking autofocus
weather proof
lack of image stabilization
doesn't have phase detect AF
49
has image stabilization (Sensor based)
sensor size is decent (APS-C)
sensor has phase detect auto focus
no liveview
painfully slow continuous shooting (3.0 fps)
low MP (10 megapixels)
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Travel Comparison

Sigma fp Travel photography highlights
Sony A100 Travel photography highlights
78
weather proof
features touch focus
megapixel count amazing (25 megapixels)
does not contain selfie friendly screen
45
built-in flash
does not have Time Lapse mode
low MP (10MP)
screen isn't selfie friendly
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Landscape Comparison

Sigma fp Landscape photography features
Sony A100 Landscape photography features
83
you can focus manually
swap lenses (Leica L mount)
nice screen size (3.2")
megapixel count amazing (25 megapixels)
sensor size is great (Full frame)
good high ISO (25,600)
delivers RAW files
weather proof
lack of image stabilization
53
manual focus
change lenses (Sony/Minolta Alpha mount)
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
screen is somewhat small (2.5 inch)
no liveview
low MP (10 megapixels)
does not have Time Lapse mode
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Vlogging Comparison

Vlogging with Sigma fp
Vlogging with Sony A100
37
touch screen
features face detection focusing
high video quality (3840 x 2160 resolution)
comes with external microphone jack
does not contain selfie friendly screen
lack of image stabilization
9
can't shoot video
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Sigma fp vs Sony A100 Specifications

Detailed spec comparison table for Sigma fp and Sony A100
 Sigma fpSony Alpha DSLR-A100
General Information
Brand Sigma Sony
Model Sigma fp Sony Alpha DSLR-A100
Category Advanced Mirrorless Entry-Level DSLR
Announced 2019-07-11 2006-07-31
Body design Rangefinder-style mirrorless Compact SLR
Sensor Information
Sensor type BSI-CMOS CCD
Sensor size Full frame APS-C
Sensor dimensions 35.9 x 23.9mm 23.6 x 15.8mm
Sensor area 858.0mm² 372.9mm²
Sensor resolution 25 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 6000 x 4000 3872 x 2592
Maximum native ISO 25600 1600
Maximum enhanced ISO 102400 -
Lowest native ISO 100 100
RAW files
Lowest enhanced ISO 6 -
Autofocusing
Manual focus
Touch focus
AF continuous
AF single
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 49 9
Lens
Lens mount Leica L Sony/Minolta Alpha
Number of lenses 30 143
Crop factor 1 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 3.2 inch 2.5 inch
Screen resolution 2,100k dot 230k dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.55x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/8000 seconds 1/4000 seconds
Continuous shutter speed 12.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash range no built-in flash -
Flash settings no built-in flash Auto, Fill-in, Red-Eye reduction, Slow Sync, Off
Hot shoe
AE bracketing
WB bracketing
Fastest flash sync - 1/160 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p, MOV, H.264, Linear PCM -
Maximum video resolution 3840x2160 None
Video format MPEG-4, H.264 -
Mic input
Headphone input
Connectivity
Wireless No None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 422 grams (0.93 lb) 638 grams (1.41 lb)
Physical dimensions 113 x 70 x 45mm (4.4" x 2.8" x 1.8") 133 x 95 x 71mm (5.2" x 3.7" x 2.8")
DXO scores
DXO Overall score not tested 61
DXO Color Depth score not tested 22.0
DXO Dynamic range score not tested 11.2
DXO Low light score not tested 476
Other
Battery model BP-51 NP-FM55H
Self timer Yes (2 or 10 wec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC (UHS-II supported) Compact Flash (Type I or II)
Storage slots 1 1
Launch price $2,050 $1,000