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Features
- Consists of eight lens in 5 groups
- Glass with anomalous partial dispersion
- Made of a fluorite-type glass while lens element
- Made of glass with a very high refractive index to minimize monochromatic aberrations
Description
The optical structure of the Leica Normal 50mm f1.4 Summilux M Aspherical Manual Focus Lens, Black consists of eight lens in 5 groups. Glass with anomalous partial dispersion (elements 2/3) was used to ensure correct color rendition. Lens element 2 is made of a fluorite-type glass while lens element 3 is made from glass originating from the former Leitz glass laboratory. Lens element 4 has an aspherical surface. Lens elements 1, 6 and 7 are made of glass with a very high refractive index to minimize monochromatic aberrations. In all every innovation currently available in lens technology - aspherical lenses, glass with anomalous partial dispersion (APO), glass with a high refraction index and a floating element - has been combined to create a lens that will set new imaging standards. This is the first Leica M lens with a specifically patented 'floating element' used to maintain imaging performance at a very high level even in close-focus ranges down to 0.7m. During focusing, the rearmost optical component (elements 7/8) moves relative to the rest of the optical system and produces brilliant image quality in near focus ranges. To maximize the benefits of the 'floating element' an extremely precise adjusting mechanism has also been utilized that had to fit into the restricted space inside this compact M-lens At full aperture, the LEICA SUMMILUX-M 50mm f/1.4 ASPH. offers high contrast rendering even for the finest structures. This performance can only be raised slightly by stopping down. Another notable feature of this lens is that it is virtually distortion-free. The normal vignetting for such high-speed lenses at full aperture is strongly reduced by stopping down slightly. Furthermore, the use of the most advanced coating technology ensures a high degree of anti-glare. The LEICA SUMMILUX-M 50mm f/1.4 ASPH. also offers special features in terms of its handling: The built- in lens hood not only provides protection against stray light and dust, it can also be
Brand: Leica
Focal Length Description: 50 mm
Lens Type: Standard
Compatible Mountings: Leica M
Camera Lens Description: 8
Focal Length Description: 50 mm
Lens: Standard
Compatible Camera Mount: Leica M
Maximum Focal Length: 50 Millimeters
Minimum Focal Length: 50 Millimeters
Lens Design: Prime
Focus Type: Manual Focus
Lens Fixed Focal Length: 50 Millimeters
Lens Coating Description: Anti-Reflective Coating
Zoom Ratio: 11
Image stabilization: Optical
Real Angle Of View: 40 Degrees
Maximum Aperture: 1.4 f
Minimum Aperture: 1.4 f
Compatible Camera Models: Leica M series
Lens Mount: Leica M
Brand: Leica
Camera Lens: 8
Model Name: 11891
UPC: 000000011891 799429118914
Manufacturer Part Number: 11891
Global Trade Identification Number: 14, 11
Unit Count: 1.0 Count
Model Number: 11891
Item Weight: 0.74 Pounds
Manufacturer: Leica
Exposure Control Type: Manual
Color: black
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