Leica 120mm F2.5 CS Apo Macro Summarit S

The APO-Macro-Summarit-S 120 f/2.5 

Product Description:
The APO-Macro-Summarit-S 120 f/2.5 (CS) (96 mm in 35 mm format) has a true dual function.
Firstly, it is a macro lens for closeup photography up to a reproduction ratio of 1:2, and secondly, it is a fast telephoto lens with
an unusually wide maximum aperture of f/2.5.

At the same time, it offers such astounding imaging qualities at maximum aperture throughout its entire focusing range that stopping
down really only increases the depth of field but cannot further increase its superior contrast rendition.
This brings countless fascinating options for exploring the creative opportunities offered by selective sharpness.
The alternative CS version with a central shutter further increases its enormous range of potential uses.

Key Features:


From close-ups to tele-photography 
Real double benefit. On the one hand it is a macro lens for close-up images up to 1:2 scale, on the other hand it is a fast telephoto lens. 
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 



Specifications:

Image angle (D x H x V) approx: 
25° / 21° / 24°, corresponds to approx. 96 mm focal length in 35 mm format

Optical design

Number of lenses: 
9

Number of groups: 
7

Entrance pupil - infinity: 
11.39 mm (in front of bayonet in incident light direction)

Entrance - close focus limit: 
77.23 mm (in front of bayonet in incident light direction)

Focusing range: 
0.57 m to 8

Distance setting

Scales: 
Combined meter/feet graduation

Smallest object field: 
64 mm × 95 mm

Largest reproduction ratio: 
1 : 2.1

Aperture Setting / Function: 
Electronically controlled diaphragm, set using setting / selection dial on camera, including half values

Lowest value: 
22

Bayonet: 
Leica S bayonet

Filter mount / Lens hood: 
External bayonet for lens hood (included), internal thread for E72 filter, filter mount does not rotate

Dimensions

Length to bayonet mount approx: 
128 / 202 mm (without / with lens hood)

Largest diameter approx: 
91 / 103 mm (without / with lens hood)

Weight approx: 
1135 / 1205 g (without / with central shutter)