Leica has introduced two new prime lenses for its Leica SL-System: the APO-Summicron-SL 75mm f/2 ASPH and APO-Summicron SL 90mm f/2 ASPH.
As a part of a brand new line of “high-performance Summicron-SL lenses,” the 2 lenses have been designed and constructed in Germany utilizing “distinctive supplies” to permit for a “lengthy work life.”
Each lenses have quick and silent autofocus techniques, with a “significantly” shut focus restrict: zero.50 meters (19.69 inches) for the 75mm, and zero.60 meters (23.62 inches) for the 90mm. The complete focus vary may be traveled in a powerful 250 milliseconds. That’s because of the “extraordinarily highly effective and sturdy” stepping motors with DSD (Twin Syncro Drive).
Leica says that it paid meticulous consideration to the prevention of stray mild and reflections in the course of the development of the lenses, and along with high-quality coatings to every lens floor has meant for unavoidable reflections to be diminished to a minimal.
The lenses are additionally Apochromatic (APO), which means they’re corrected to permit photographers to seize pictures in excessive distinction conditions with minimal chromatic aberration. They’re constructed of 11 parts (in 9 teams), one in every of which is aspherical, and all parts function anomalous partial dispersion.
Each lenses have 9 diaphragm blades, are sealed, and have a filter thread of 67mm. The 75mm lens weighs 720 grams, and the 90mm weighs 700 grams.
The Leica 75mm f/2 and 90mm f/2 lenses will probably be accessible in February 2018, costing $four,750 and $5,150 respectively. Leica can even be launching a 35mm f/2 and 50mm f/2 lens to the be a part of this new collection within the second half of 2018.