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Nikon D850 vs Sigma SD15

Portability
54
Imaging
78
Features
87
Overall
81
Nikon D850 front
 
Sigma SD15 front
Portability
59
Imaging
44
Features
45
Overall
44

Nikon D850 vs Sigma SD15 Key Specs

Nikon D850
(Full Review)
  • 46MP - Full frame Sensor
  • 3.2" Tilting Screen
  • ISO 64 - 25600 (Boost to 102400)
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Nikon F Mount
  • 1015g - 146 x 124 x 79mm
  • Announced August 2017
  • Earlier Model is Nikon D810
Sigma SD15
(Full Review)
  • 5MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 1600 (Boost to 3200)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Released February 2010
  • Succeeded the Sigma SD14
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Nikon D850 vs Sigma SD15 Overview

Below is a in depth review of the Nikon D850 vs Sigma SD15, both Advanced DSLR cameras by companies Nikon and Sigma. There is a considerable difference among the resolutions of the D850 (46MP) and SD15 (5MP) and the D850 (Full frame) and SD15 (APS-C) possess totally different sensor size.

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The D850 was brought out 7 years later than the SD15 and that is a fairly large difference as far as camera tech is concerned. Both of the cameras offer the identical body type (Mid-size SLR).

Before getting straight into a comprehensive comparison, below is a quick highlight of how the D850 grades versus the SD15 for portability, imaging, features and an overall grade.

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Reasons to pick Nikon D850 over the Sigma SD15

 D850 SD15 
ReleasedAugust 2017February 2010More recent by 92 months
Display typeTiltingFixed Tilting display
Display sizing3.2"3"Larger display (+0.2")
Display resolution2359k460kSharper display (+1899k dot)
Touch friendly display Easily navigate

Reasons to pick Sigma SD15 over the Nikon D850

 SD15 D850 

Common features in the Nikon D850 and Sigma SD15

 D850 SD15 
Manual focus Very exact focusing
Selfie screen Neither has selfie screen

Nikon D850 vs Sigma SD15 Physical Comparison

If you're intending to lug around your camera frequently, you should factor in its weight and measurements. The Nikon D850 has physical dimensions of 146mm x 124mm x 79mm (5.7" x 4.9" x 3.1") and a weight of 1015 grams (2.24 lbs) whilst the Sigma SD15 has proportions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") having a weight of 750 grams (1.65 lbs).

Compare the Nikon D850 vs Sigma SD15 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary dependant on the lens you are utilizing at the time. Here is the front view overall size comparison of the D850 vs the SD15.

Nikon D850 vs Sigma SD15 size comparison

Factoring in size and weight, the portability score of the D850 and SD15 is 54 and 59 respectively.

Nikon D850 vs Sigma SD15 top view buttons comparison

Nikon D850 vs Sigma SD15 Sensor Comparison

Oftentimes, it's tough to envision the contrast in sensor measurements merely by viewing specs. The graphic underneath may offer you a much better sense of the sensor sizes in the D850 and SD15.

As you can plainly see, the 2 cameras enjoy different megapixel count and different sensor measurements. The D850 because of its larger sensor will make getting shallower depth of field less difficult and the Nikon D850 will provide you with extra detail having its extra 41MP. Greater resolution will also make it easier to crop pics far more aggressively. The newer D850 will have a benefit when it comes to sensor tech.

Nikon D850 vs Sigma SD15 sensor size comparison

Nikon D850 vs Sigma SD15 Screen and ViewFinder

Nikon D850 vs Sigma SD15 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon D850 Portrait photography advice
Sigma SD15 Portrait photography advice
86
manual focus
megapixel count fantastic (46 megapixels)
large sensor size (Full frame)
offers face detection autofocus
exports RAW files
50
has manual focus
sensor size is decent (APS-C)
delivers RAW formats
does not have liveview
megapixel count low (5MP)
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Street Comparison

Nikon D850 as a Street photography camera
Sigma SD15 as a Street photography camera
66
has a tilting screen
large sensor size (Full frame)
exports RAW files
offers touch focus
environment proofing
great high ISO (25,600)
lack of image stabilization
more heavy than average (1,015g)
52
sensor size is decent (APS-C)
delivers RAW formats
screen does not articulate
lack of image stabilization
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Sports Comparison

Sports photography with Nikon D850
Sports photography with Sigma SD15
82
high shutter speed (1/8,000s)
megapixel count fantastic (46 megapixels)
large sensor size (Full frame)
offers tracking autofocus
environment proofing
better than average battery power (1,840 per charge)
sensor has phase detect autofocus
lack of image stabilization
38
sensor size is decent (APS-C)
supports phase detect AF
does not have liveview
continuous shooting slow (3.0 fps)
lack of image stabilization
megapixel count low (5MP)
Photography Glossary

Travel Comparison

Nikon D850 as a Travel photography camera
Sigma SD15 as a Travel photography camera
65
better than average battery power (1,840 CIPA)
environment proofing
has bluetooth
offers touch focus
megapixel count fantastic (46 megapixels)
more heavy than average (1,015 grams)
doesn't posses selfie friendly screen
42
flash built-in
missing Timelapse function
megapixel count low (5MP)
does not offer selfie friendly screen
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Landscape Comparison

Nikon D850 Landscape photography features
Sigma SD15 Landscape photography features
82
manual focus
change lenses (Nikon F mount)
screen size is decent (3.2")
megapixel count fantastic (46MP)
large sensor size (Full frame)
no anti-alias filter
great high ISO (25,600)
exports RAW files
environment proofing
better than average battery power (1,840 per charge)
2 card slots
lack of image stabilization
51
has manual focus
swap lenses (Sigma SA mount)
decent sized screen (3")
sensor size is decent (APS-C)
delivers RAW formats
does not have liveview
lack of image stabilization
megapixel count low (5 megapixels)
missing Timelapse function
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Vlogging Comparison

Vlogging with Nikon D850
Vlogging with Sigma SD15
30
touchscreen functionality
offers face detection autofocus
video res high (3840 x 2160 resolution)
includes external microphone support
doesn't posses selfie friendly screen
lack of image stabilization
more heavy than average (1,015g)
9
lack of video recording
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Nikon D850 vs Sigma SD15 Specifications

Detailed spec comparison table for Nikon D850 and Sigma SD15
 Nikon D850Sigma SD15
General Information
Manufacturer Nikon Sigma
Model type Nikon D850 Sigma SD15
Class Advanced DSLR Advanced DSLR
Announced 2017-08-24 2010-02-20
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor Expeed 5 True II
Sensor type BSI-CMOS CMOS (Foveon X3)
Sensor size Full frame APS-C
Sensor measurements 35.9 x 23.9mm 20.7 x 13.8mm
Sensor surface area 858.0mm² 285.7mm²
Sensor resolution 46 megapixels 5 megapixels
Anti alias filter
Aspect ratio 1:1, 5:4, 3:2 and 16:9 3:2
Max resolution 8256 x 5504 2640 x 1760
Max native ISO 25600 1600
Max enhanced ISO 102400 3200
Min native ISO 64 100
RAW format
Min enhanced ISO 32 50
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 153 -
Cross type focus points 99 -
Lens
Lens mount type Nikon F Sigma SA
Available lenses 309 76
Crop factor 1 1.7
Screen
Type of screen Tilting Fixed Type
Screen sizing 3.2 inch 3 inch
Screen resolution 2,359 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100% 96%
Viewfinder magnification 0.75x 0.6x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/8000 secs 1/4000 secs
Continuous shutter rate 7.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance no built-in flash -
Flash modes Front-curtain sync (normal), Rear-curtain sync, Red-eye reduction, Red-eye reduction with slow sync, Slow sync -
Hot shoe
AE bracketing
WB bracketing
Fastest flash synchronize 1/250 secs 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 3840 x 2160 @ 30p, MOV, H.264, Linear PCM -
Max video resolution 3840x2160 None
Video file format MPEG-4 -
Microphone support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1015 gr (2.24 lb) 750 gr (1.65 lb)
Dimensions 146 x 124 x 79mm (5.7" x 4.9" x 3.1") 144 x 107 x 81mm (5.7" x 4.2" x 3.2")
DXO scores
DXO Overall rating 100 not tested
DXO Color Depth rating 26.4 not tested
DXO Dynamic range rating 14.8 not tested
DXO Low light rating 2660 not tested
Other
Battery life 1840 images -
Style of battery Battery Pack -
Battery ID EN-EL15a -
Self timer Yes (2, 5, 10, 20 secs) Yes (10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC (UHS-II supported) + XQD SD/SDHC card
Card slots Dual 1
Cost at release $2,997 $1,500