Leica APO-Summicron-SL 50mm f/2 ASPH. Lens SIGMASN On top of all this

On top of all this

A double focus system employs both a linear motor and a stepping motor to deliver impressively fast

It stands 4

The sophisticated optical design employs four extra-low dispersion elements to reduce colour fringing and chromatic aberrations for a high degree of clarity and contrast

These screws prevent the plate from accidentally sliding off the ball head when the clamp is opened

Leica APO-Summicron-SL 50mm f/2 ASPH. Lens SIGMASN On top of all thisProviding a classic normal length field of view along with an impressive optical design, the Leica APO Summicron SL 50mm f 2 ASPH. Lens is a bright prime lens designed for full frame L mount mirrorless cameras. The f 2 maximum aperture balances speed with overall weight and size, resulting in a portable form factor that can excel in available light conditions. Three spherical elements are used to reduce spherical aberrations and distortion for high