PRODUCT INFORMATION
LEICA APO-SUMMICRON-R f/2 90mm ASPH
Apochromatic
correction and an aspherical lens surfaces are brilliantly combined in this
compact medium telephoto lens to deliver exquisite performance. Two out of its
five elements are high-refraction glass. Two other elements feature anomalous
partial dispersion. Consequently, the brilliance and resolution are exemplary
across the entire image field, even at maximum aperture. This performance can be
improved only slightly by stopping down. Light falloff is minimal even at full
aperture. The wide f/2 aperture and excellent contrast characteristics result in
a particularly bright viewfinder image, enabling reliable, accurate focusing
even when there is little light. The close-up limit is 0.7 meters (27.5 in), and
in the extended close-up range you can fill the frame with a subject measuring
14x21 cm (5.5 x 8.25 in). With the LEICA APO-EXTENDER-R 2x, it becomes
high-performance 180 f/4 mm long telephoto.
APO-SUMMICRON-R 90mm ASPH Technical Data_en.pdf 184K
PDFs/Puts Column APO-SUMMICRON-R 90mm Lenses_en.pdf 762K
