Sigma 20mm F1.8 EX DG ASP RF
Sigma 20mm F1.8 EX DG ASP RF ini adalah lensa unik yang di tawarkan oleh Sigma dengan aperture F1.8 yang membuat Sigma 20mm F1.8 EX DG ASP RF ini diklaim menjadi lensa super wide angle tercepat yang tersedia diantara pabrikan kamera atau lensa lain. Untuk fotografer pemandangan atau landscape hal tersebut di rasa penting untuk memiliki lensa wide angle dengan kinerja optik yang sangat baik dan teknologi lensa aspherical dari Sigma menyediakan gambar berkualitas tinggi untuk fotografer profesional. Lensa 20mm Sigma memiliki Field of View 94.5º dan juga menyediakan fokus jarak dekat dari lensa ke objek hanya dengan 2,6 inci.
Deskripsi Bahasa Inggris
Sigma 20mm F1.8 EX DG ASP RF is a unique Sigma offering with an aperture of F1.8 making it the fastest super wide angle lens available from any camera or lens manufacturer. For the scenic or landscape photographer it’s important to have a wide angle lens with excellent optical performance and Sigma’s aspherical lens technology provides high quality images for the serious shooter. Sigma’s 20mm lens has a field of view of 94.5º and yet provides for a close focusing lens-to-subject distance of only 2.6 inches. Such performance parameters provide great creative freedom to the photographer who wishes to exploit its capabilities for juxtaposing very near subject with the surrounding background. This extreme wide angle view also makes this lens ideal for crating “stitched” panoramic scenes for dramatic effect. The architectural photographer will find this lens attractive for shooting building interiors and the photojournalists will find its fast speed a life saver in low light conditions.
Spesifikasi Sigma 20mm F1.8 EX DG ASP RF
Lens Construction | 13 Elements in 11 Groups | ||||||||||
Angle of View | 94.5º | ||||||||||
Number of Diaphragm Blades | 9 | ||||||||||
Mininum Aperture | f22 | ||||||||||
Minimum Focusing Distance | 20 cm / 7.9 in | ||||||||||
Filter Size (mm) | 82 | ||||||||||
Maximum Magnifications | 1:4 | ||||||||||
Dimensions (Diameter x Length) |
88.5 x 87 mm/3.5 x 3.4 in | ||||||||||
Weight | 520g / 18.3oz. | ||||||||||
Corresponding Mounts |
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ASP – Aspherical RF – Rear Focus EX – EX Lens DG – DG for Digital D – Distance Information Function* Nikon Mount: NO built in motor lens: NOT compatible with D40, D40x, D60, D3000, D5000* The appearance, specifications, and the like of the product are subject to change for improvement without notice. |
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