7Artisans 50mm f/1.1 Lens Leica M mount

  • 優惠!
  • 正價 NT$9,990.00

M50mm F1.1lens optics contains 7 elements in 6 groups and is based on Sonnar formula. It includes two high refraction optical elements of index 1.9 to improve picture quality and lens portability. R&D process involved analysis of field curvature and image astigmatism influence on image and out of focus areas.Numerous corrections and improvements made to receive great image performance.Using lens wide open at F1.1 aperture delivers pleasant bokeh. Stopped to F1.4 it improves sharpness while keeping smooth out-of-focus areas. Repetitive corrections of spherical and chromatic aberration lead to very well controlled light spots shape, and good contrast and sharpness in focus area of this large aperture lens   .

七工匠50mm F1.1使用松納結構方案設計,其中兩片玻璃使用了折射率1.9以上高折射率光學玻璃,使鏡頭有著優異畫質的同時保持著極佳的便攜性。研發過程中,非常刻意的考慮到鏡頭場曲和像散對圖像焦外虛化的影響,反復校正了兩者之間的比重關係,能夠輕鬆獲得二線性輕微,非常柔美的散景。對球差和慧差的反復校正,使得彌散斑在超大光圈鏡頭中控制的非常出色,焦點上的對比度銳度表現良好。 

Focal length: 50mm
Maximum aperture: F1.1
Minimum aperture: F16
Lens construction: 7 elements in 6 groups
Angle of view: 46°
Aperture blades: 12
Closest focus: 0.7m
Lens Mount: leica M