view angle performance
视角性能
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The high-performance 50mm F2.8 lens has the equivalent angle of view as 75mm on a 35mm lens, and it has been designed exclusively for the SIGMA DP3 Merrill to maximizes the sensor performance.
ENGADGET: Sigma DP3 Merrill packs a Foveon X3 sensor and a fixed F2.8, 75mm-equivalent lens
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