Sigma C 65mm F2 DG DN Sony-E [65mm F2 DG DN (Contemporary) Sony e mount]

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Number of lenses configuration 12 9 groups angle of view 36.8 ° Number of squeezed feathers 9 pieces (circular aperture) minimum aperture F22 The shortest shooting distance 55cm Ma ximum shooting magnification 1: 6.8 Filter size φ62mm Maximum diameter x length φ72mm x 76.7mm * The length is the distance from the lens tip to the mount surface. Mass 405g Edition number C020 Accessories Magnet type metal cap (Sigma Front Cap LCF62-01M) and Food (LH656-01) Installed technology A brass mount that combines high accuracy and robustness.In order to withstand long -term use, the surface treatment has been applied to enhance strength, and high -quality lenses are realized. Mount is adopted rubber sealing to protect the mounting part that is most worrisome about intrusion of garbage. Aperture ring is mounted.Realizes intuitive operation. Normal specification polygon aperture is also designed so that the blur of the dotted source is also multifunctional when squeezed, but the circular aperture is designed so that circular blur can be obtained near the opening. Since the refractive index of the glass differs depending on the wavelength of light, the phenomenon in which the imaging points are shifted for each color are called chromatic aberration.It is easy to appear strongly with telephoto lenses, causing image quality. Show more