Leica APO-Summicron-SL 75mm F2 ASPH Lens

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Leica APO-Summicron-SL 75mm F2 ASPH Lens

Leica APO-Summicron-SL 75mm F2 ASPH Lens Splitting the difference between normal and telephoto, the APO-Summicron-SL 75mm f/2 ASPH. from Leica is an optically refined short tele prime designed for full-frame L-mount mirrorless cameras. Complementing the slightly long, versatile focal length is a bright f/2 maximum aperture that affords great control over depth of field and also suits working in less-than-ideal lighting conditions. The apochromatic optical design uses anomalous partial dispersion glass to suppress color fringing and chromatic aberrations for high clarity and color accuracy, and one aspherical element is also featured to reduce spherical aberrations for improved sharpness. Multi-layer coatings have also been applied to limit flare and ghosting for increased contrast when working in strong lighting conditions.

Complementing the optical assets is a Dual Syncro Drive stepping motor, which delivers fast and quiet autofocus performance, and a floating elements system maintains consistent imaging quality throughout the focusing range. Additionally, an AquaDura coating has been applied to the exposed elements and seals have been incorporated in the lens design to benefit working in harsh environmental conditions.

  • Short telephoto 75mm f/2 lens is designed for full-frame Leica L-mount mirrorless cameras, however can also be used with APS-C models where it provides a 112.5mm equivalent focal length.

  • Bright f/2 maximum aperture benefits working in low-light conditions and also affords greater control over depth of field for working with selective focusing techniques.

  • One aspherical element is used to reduce distortion and spherical aberrations for improved sharpness and accurate rendering.

  • Apochromatic design employs anomalous partial dispersion glass to suppress chromatic aberrations throughout the aperture range for increased color accuracy and clarity.

  • Multi-layer coatings have been applied to individual elements to suppress surface reflections, flare, and ghosting for increased contrast and color fidelity.

  • Dual Syncro Drive stepping motor delivers quick, precise, and near-silent autofocus performance to suit both photo and video applications. This system also avails full-time manual focus override.

  • Floating elements system and an internal focusing design maintain consistent image quality throughout the focusing range, from 1.6' to infinity.

  • ater-repellent AquaDura coating has been applied to the front and rear optical surfaces to protect against moisture and other elements.

  • Weather-sealed design protects against dust and moisture to benefit working in inclement shooting conditions.


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Specifications
Primary specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 75 mm
Image stabilization No
Lens mount Leica SL
Aperture
Maximum aperture F2
Minimum aperture F22
Aperture ring No
Number of diaphragm blades 9
Optics
Elements 11
Groups 9
Special elements / coatings 1 aspherical
Focus
Minimum focus 0.50 m (19.69)
Maximum magnification 0.2×
Autofocus Yes
Motor type Stepper motor
Focus method Internal
Distance scale No
DoF scale No
Physical
Weight 720 g (1.59 lb)
Diameter 73 mm (2.87)
Length 102 mm (4.02)
Sealing Yes
Colour Black
Filter thread 67 mm
Tripod collar No
Other

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