Generally, some of the advantages of the Nikon D300S compared to entry-level DSLR competitors include: it slightly larger viewfinder (0.62x vs 0.53x), has a weather sealed body, shoots faster continuously (7 fps vs 4.5 fps), has slightly less startup delay (300 ms vs 1500 ms) and has an external mic jack.
However, on average it is slightly more noisy at high ISO (787 ISO vs 1,162 ISO), has slightly lower image quality (70.0 vs 80.0), records lower quality movies (720p @ 24fps vs 1080p @ 24fps), takes slightly lower resolution photos (12.2 MP vs 16.1 MP) and slightly lower maximum light sensitivity (3,200 ISO vs 6,400 ISO).
Nikon D7000
1 year newer
$1,000 (body only)
$1,100 55-200mm lens
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Significant advantages of the D7000 (vs the D300S)
- Significantly lower noise at high ISO: 1,167 ISO vs 787 ISO
- Significantly better image quality: 80.0 vs 70.0
- Higher resolution movies: 1080p @ 24fps vs 720p @ 24fps
Significant disadvantages of the D7000 (vs the D300S)
- Significantly fewer focus points: 39 vs 51
- Significantly fewer cross-type focus points: 9 vs 15
common strengths of the D7000 and D300S
- High resolution screens: 920k dots vs 920k dots
- Above average viewfinder size: 0.62x vs 0.62x
- Both are weather sealed, which is fairly uncommon among similar cameras
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Nikon D90
1 year older
$897 (body only)
$1,047 55-200mm lens
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Significant advantages of the D90 (vs the D300S)
- Significantly smaller: Professional size 132x103x77 mm vs Professional size 147x114x74 mm
- Much lighter: 703 g vs 938 g
Significant disadvantages of the D90 (vs the D300S)
- Many fewer focus points: 11 vs 51
- Many fewer cross-type focus points: 1 vs 15
- No weather sealing
common strengths of the D90 and D300S
- High resolution screens: 930k dots vs 920k dots
- Above average viewfinder size: 0.63x vs 0.62x
- Minimal startup delay: 300 ms vs 300 ms
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Nikon D5100
1 year newer
$500 - $597 (body only)
$600 - $697 18-55mm lens
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Significant advantages of the D5100 (vs the D300S)
- Significantly lower noise at high ISO: 1,183 ISO vs 787 ISO
- Significantly better image quality: 80.0 vs 70.0
- Higher resolution movies: 1080p @ 30fps vs 720p @ 24fps
Significant disadvantages of the D5100 (vs the D300S)
- Many fewer focus points: 11 vs 51
- Many fewer cross-type focus points: 1 vs 15
- No weather sealing
common strengths of the D5100 and D300S
- High resolution screens: 920k dots vs 920k dots
- 24p support
- Minimal startup delay: 500 ms vs 300 ms
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Pentax K-5
1 year newer
$888 - $1,129 (body only)
$1,033 - $1,283 18-55mm lens
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Significant advantages of the K-5 (vs the D300S)
- Significantly lower noise at high ISO: 1,162 ISO vs 787 ISO
- Significantly better image quality: 82.0 vs 70.0
- Higher resolution movies: 1080p @ 25fps vs 720p @ 24fps
Significant disadvantages of the K-5 (vs the D300S)
- Many fewer focus points: 11 vs 51
- No 24p support
- Significantly fewer lenses available: 90 lenses vs 169 lenses
common strengths of the K-5 and D300S
- High resolution screens: 920k dots vs 920k dots
- Both are weather sealed, which is fairly uncommon among similar cameras
- Fast continuous shooting: 7 fps vs 7 fps
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Nikon D3100
1 year newer
$500 - $547 18-55mm lens
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Significant advantages of the D3100 (vs the D300S)
- Higher resolution movies: 1080p @ 24fps vs 720p @ 24fps
- Much smaller: Prosumer size 124x96x73 mm vs Professional size 147x114x74 mm
- Video autofocus: Contrast detection vs None
Significant disadvantages of the D3100 (vs the D300S)
- Many fewer focus points: 11 vs 51
- Much lower resolution screen: 230k dots vs 920k dots
- Many fewer cross-type focus points: 1 vs 15
common strengths of the D3100 and D300S
- Minimal startup delay: 400 ms vs 300 ms
- 24p support
- Many lenses available: 169 lenses vs 169 lenses
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Canon Rebel T3i
1 year newer
$619 - $700 (body only)
$745 - $1,000 18-55mm lens
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Significant advantages of the T3i (vs the D300S)
- Higher resolution movies: 1080p @ 30fps vs 720p @ 24fps
- Significantly higher true resolution: 17.9 MP vs 12.2 MP
- Has a flip-out screen
Significant disadvantages of the T3i (vs the D300S)
- Many fewer focus points: 9 vs 51
- Many fewer cross-type focus points: 1 vs 15
- Much more startup delay: 1500 ms vs 300 ms
common strengths of the T3i and D300S
- High resolution screens: 1,040k dots vs 920k dots
- 24p support
- Many lenses available: 162 lenses vs 169 lenses
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