User Manual for Leica APO-Summicron-M 90mm f 2 ASPH. Lens Click to enlarge the picture
Contents of the user manual for the Leica APO-Summicron-M 90mm f 2 ASPH.
- Product category: Rangefinder Lenses Leica
- Brand: Leica
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Leica Rangefinder Lenses
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User manual for the Leica APO-Summicron-M 90mm f 2 ASPH. contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Leica product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Leica user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Leica product will considerably shorten its lifespan!
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Product description Characterized by its apochromatic designation, the APO-Summicron-M 90mm f/2 ASPH. from Leica is a fast short telephoto lens designed for M-mount rangefinder cameras. As an apochromat, this lens utilizes a pair of anomalous partial dispersion glass elements to virtually eliminate color fringing and chromatic aberrations for notable clarity and color accuracy. One aspherical element and two high refractive index glass elements are also used to control spherical aberrations and distortion, as well as to maintain a high degree of sharpness. Its manual focus design permits working with subjects as close as 3.3' away and its compact design also incorporates a built-in extendable lens hood to shield the front element. - Apochromatic design employs two anomalous partial dispersion glass elements to virtually eliminate chromatic aberrations and color fringing for improved clarity and color accuracy throughout the aperture range.
- In addition to the apochromatic designation, this lens also uses one aspherical element and two high refractive index elements to significantly reduce distortion and spherical aberrations while also increasing overall sharpness and edge-to-edge illumination.
- Bright f/2 maximum aperture benefits working in difficult lighting conditions and also affords greater control over depth of field.
- Manual focus design provides a minimum focusing distance of 3.3' with a maximum magnification ratio of 1:9.
- Built-in extendable lens hood shades and protects the front element to reduce lens flare and ghosting. Additionally, the front of the lens is threaded to accept 55mm screw-in filters.
UPC: 022243118847 In the Box Leica APO-Summicron-M 90mm f/2 ASPH. Lens E55 Snap-OnLens Cap for R and M Series Lenses vweybswv Rear Lens Cap for M-Mount Lenses Leather Case Limited 3-Year Warranty Brochure PDF 207.6kbvweybswv Table of Contents
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Technical parametersLeica 11884 Specs | Focal Length | 90mm | | Maximum Aperture | f/16 | | Minimum Aperture | f/16 | | Lens Mount | Leica M | | Angle of View | 27° | | Minimum Focus Distance | 3.3' / 1 m | | Maximum Reproduction Ratio | 1:9 | | Optical Design | 5 Elements in 5 Groups | | Filter Thread | 55mm | | Dimensions |
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