Spekulor's test of the Sigma FF High-Speed lens series on the RED V-RAPTOR in 8K presents a comprehensive evaluation, especially focusing on distortion characteristics across the lens range. The findings highlight the lenses' ability to deliver high contrast and consistent sharpness from edge to edge, contributing to a notably "crispy" image quality.
When examining distortion, a common concern in wide-angle lenses, the results align with expectations for such high-caliber equipment. The widest lens at 14mm exhibited noticeable stretching at the frame's periphery, a typical trait for ultra-wide lenses. However, the distortion was significantly reduced by the 20mm lens, which displayed minimal to almost non-existent distortion, an impressive feature that emphasizes the optical quality and engineering behind the Sigma FF High-Speed series. This performance in controlling distortion, coupled with the lenses' sharpness and contrast, underscores their suitability for high-resolution, professional-grade video production.
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