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Canon EOS Rebel T1i

Digital Camera Review

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Noise Reduction

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Low Light
Page 11

Dynamic Range

The T1i was decidedly lackluster in the dynamic range test, showing a marked decline after ISO 200, which gave it the lowest score among our comparison cameras. Dynamic range is a measure of a camera’s ability to capture detail in both bright and dark areas of the same photo, so that detail is not lost into the shadows.

We test dynamic range by photographing a Kodak Stepchart at all available ISOs, and use Imatest to analyze the range of gray steps the camera captures.

The Rebel T1i had a dynamic range of nearly seven stops at ISOs 100 and 200, but then it dropped off rapidly at the higher sensitivities.

The Rebel T1i also has a d-range optimizer function called ‘Highlight Tone Priority’which will improve dynamic range, but may result in higher image noise. More on how we test dynamic range.

Dynamic Range Across ISO Levels
ISO 200
6.79
ISO 400
4.27
ISO 800
3.07
ISO 1600
2.88
ISO 3200
2.0
0
2
4
6
10
Dynamic Range (f-stops)

Compared to other cameras at ISO 200, the T1i did worse than any of the others except the Pentax K2000, which in turn performed much better at higher ISOs. Overall, this is a disappointing result, and rightly puts the T1i at the bottom of the pack for this test.

Dynamic Range Score Comparison
3
5
7
11
Dynamic Range Score

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Canon EOS Rebel T1i
Digital Camera Review

Previous: Page 10

Noise Reduction

Next: Page 12

Low Light