Leica Elmarit-S 45mm f/2.8 ASPH. CS

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Leica Elmarit-S 45 f/2.8 ASPH. CS

A classic in absolute perfection

The Elmarit-S 45 f/2.8 ASPH. (CS) (35 mm in 35 mm format) is as outstanding for landscapes and architectural photography as it is for studio work, with its moderately wide-angle characteristics but simultaneously true-to-life perspectives. Its extremely elaborate construction, designed to deliver maximum contrast at maximum aperture and at the shortest focusing distance, ensures that the lens is practically free of aberrations. Monochromatic aberration is almost nonexistent and chromatic aberrations are corrected to an absolute minimum. The Elmarit-S 45 f/2.8 ASPH. (CS) is also available with a built-in central shutter.

Three of the twelve lens elements are manufactured from glasses with anomalous partial dispersion for the minimization of chromatic aberration and two others from high-refractive-index glasses with exceptionally low dispersion. In addition to these, one aspherical surface is employed for the minimization of monochromatic aberrations. Rear-group focusing guarantees consistently outstanding imaging properties from infinity to the closest focusing distance.

The essentials:

  • Corresponds to the angle of view of a 35 mm lens in 35 mm format
  • Innovative central shutter for maximum design freedom when using additional light
  • Excellent imaging performance over the entire range and at all aperture settings
  • Extremely fast
  • Creative use of sharpness and blurring for the plastic extraction of motif details
  • Best image quality up to the edges due to aspherical optics
  • Weather- and dust-sealed lens
  • Made in Germany

The LEICA Camera Blog

  • Angle of view (diagonal, horizontal, vertical):
    ~ 62°, 53°, 37°, equivalent to approx. 36 mm in 35 mm format
  • Optical design
  • Number of lenses / groups:
    12 / 9
  • Position of entrance pupil:
    At infinity: 83.95 mm (in light impingement direction in front of the bayonet flange); At closest focusing distance: 83.95 mm (in light impingement direction in front of the bayonet flange)
  • Focusing range:
    0.6 m to ∞
  • Distance settings
  • Scale:
    Combined metre/feet graduation
  • Smallest object field:
    456 mm × 304 mm
  • Largest reproduction ratio:
  • Aperture
  • Setting / function:
    Electronically controlled iris, setting with the camera clickwheel control, half-stop settings possible
  • Smallest aperture:
  • Bayonet:
    Leica S quick-change bayonet with contact strip for Leica S-Models
  • Filter mount / lens hood:
    Outer bayonet mount for lens hood (included), inner threaded mount for E82 filters, non-rotating filter mount
  • Dimensions and weight
  • Length to bayonet flange:
    Approx. 136/163 mm (with/without lens hood)
  • Largest diameter:
    Approx. 88/132 mm (with/without lens hood)
  • Weight:
    Approx. 1030/1110 g (with/ without lens hood)

Lens, lens back cover, lens front cover, lens bag, lens hood

Limited Warranty:
Leica Camera AG (‘LEICA’) provides a one-year product limited warranty for this LEICA camera valid from the date of purchase from an authorized LEICA dealer, including the accessories contained in the original packaging, which are valid for two years.