Giỏ hàng trống
Designed to achieve 50 Line pairs/mm resolving power
Two XA (extreme aspherical) elements w/ high surface precision
Constant F2.8 max aperture maintains exposure and Depth of field
Circular polarizer--one of the most popular special-effect filters
Deepens the intensity of blue skies; reduces or eliminates glare
Multi-coating reduces reflection
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