differences

Advantages of the Nikon D3S

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Battery life
Much longer battery life
4200 shots vs 650 shots
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Around 6.5x more shots per battery charge
Built-in focus motor
Has a built-in focus motor
Yes vs No
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Autofocuses with all autofocus lenses
Lens availability
Much more lenses available
171 lenses vs 92 lenses
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Around 90% more lenses available
Storage slots
Has more storage slots
2 vs 1
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More slots allows storing more images without switching memory cards
Viewfinder
Has an optical viewfinder
Pentaprism vs Digital
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Optical viewfinders save battery life and are more detailed
Lowest price
Cheaper
$1,868.81 vs $3,382.09
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The best price we've seen is $1,513 cheaper (more than 40% less)
Nikon D3S Learn more about
the Nikon D3S

Advantages of the Sony Alpha a9

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Image stabilization
Image stabilization
  1. Sensor shift
vs None
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Helps eliminate blur caused by small camera movements
Size
Much smaller
127×96×63 mm vs 160×157×88 mm
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2.9x smaller
Light sensitivity
Better maximum light sensitivity
204,800 ISO vs 12,800 ISO
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The Alpha a9's maximum light sensitivity is 8 f-stops better
Screen resolution
Significantly higher resolution screen
1,440k dots vs 921k dots
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Around 60% higher resolution screen
Touch screen
Has a touch screen
Yes vs No
Help
Fewer buttons to worry about and direct interaction with camera menus
Screen flips out
Has a flip-out screen
Yes vs No
Help
Flip-out screens can be helpful when composing tricky shots or taking movies
Continuous shooting
Shoots significantly faster
20 fps vs 9 fps
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More than 2x faster continuous shooting
True resolution
Higher true resolution
24 MP vs 12.1 MP
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Capture around 2x more detail in your photos
Weight
Much lighter
673 g vs 1,240 g
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Around 50% lighter
Focus points
More focus points
693 vs 51
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Set focus accurately within the frame
Thickness
Thinner
2.5" vs 3.5"
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Around 30% thinner
Viewfinder size
Larger viewfinder
0.77x vs 0.70x
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More than 20% larger viewfinder
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the Sony Alpha a9
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recommendations

Snapsort can't make a recommendation (yet) because it doesn't have enough data yet about the Sony Alpha a9.

similarities

Compared to recent digital cameras

Common Strengths
Battery life Very long battery life Help
D3S4200 shots
Alpha a9650 shots
Autofocus Both use faster phase detection autofocus Help
fast and accurate
Weather sealed Weather sealed Help
Shoot in extreme weather
External mic jack Have external mic jacks Help
Record higher quality audio with a microphone
Interchangeable lenses Interchangeable lenses Help
Many lenses to choose from
External flash Each supports an external flash Help
Better lighting
Viewfinder Viewfinders Help
D3SPentaprism
Alpha a9Digital
Fastest shutter speed Fast max shutter speeds Help
1/8000 of a second
Common Weaknesses
Built-in flash No built-in flash Help
Professional
Weight Heavy Help
D3S1,240 g
Alpha a9673 g
Image stabilization One has image stabilization Help
D3SNone
Alpha a9
  1. Sensor shift

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Nikon D3S Placeholder
Nikon D3S
Nikon D3S

discussion

Nikon D3S
D3S
Nikon

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Alpha a9
Sony

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