• Webcode: 227076 • Mfr: 11642
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Product Highlights
  • f/4.0- f/22 Aperture Range
  • 10/7 (Elements/Groups)
  • Full-Frame Format
  • M Mount
Web Availability: Special Order

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Overview

With its impressive angle of view of 107°, this new TRI-ELMAR conquers 16 mm super wide-angle photography in perfect Leica M style. Due to the minimal distortion and barely perceptible field curvature, it can be recommended for highly demanding architecture photography even at the 16 mm setting. Used on the digital M8, it produces the image effect of a 21 - 28 mm lens, still enabling extreme wide-angle views. The ultra compact shape is achieved by two aspherical elements. A new design of the interior focusing significantly enhances the quality in the close-focus range through an adaption of the floating element principle. Brilliant depth of field can therefore be used from a distance of 0.33 m for hyperfocal photography.

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Product Specifications

Detailed Specifications

Angle of view (diagonal, horizontal, vertical) 

for 35 mm (24 x 36 mm):
at 16 mm: 107°, 97°, 74°
at 18 mm: 100°, 90°, 67°
at 21 mm: 92°, 81°, 60°
for digital (18 x 27 mm):
at 16 mm: 90°, 80°, 59°
at 18 mm: 84°, 74°, 53°
at 21 mm: 75°, 65°, 46°, corresponds approx. to a focal length of 21/24/28 mm with 35 mm-format

 Optical design

Number of elements / groups: 10 / 7

 Distance setting

Focusing range: 0.5 m to Infinity, range from 0.5 to 0.7 m separated by index
Scales: Combined meter/feet graduation with uniform grey figures below 0.7 m
Smallest object field:
for 35 mm:

at 16 mm: 915 x 1373 mm, approx. 1:38
at 18 mm: 833 x 1250 mm, approx. 1:35
at 21 mm: 725 x 1087 mm, approx. 1:30
for digital:
at 16 mm: 688 x 1032 mm, approx. 1:38
at 18 mm: 626 x 939 mm, approx. 1:35
at 21 mm: 545 x 817 mm, approx. 1:30
Highest reproduction ratio: at 0,7 m
at 16 mm: 1:38
at 18 mm: 1:35
at 21 mm: 1:30

 Aperture

Setting / Function: Preset, with click-stops, half values available
Lowest value: 22

 Bayonet

Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models

 Filter (type)

Male thread, non-rotating and with stop for filter holder or lens hood

 Lens hood

screw-on type lens hood (included in delivery),
filter holder for E67 size filters optionally available

 Dimensions and weight

Length: approx. 62/72 mm (with/without lens hood)
Largest diameter: approx. 54 mm (53 x 58 mm with lens hood)
Weight: approx. 335 g

 

 

 

 

 

 

 

 

 

 

 

 

Questions & Answers

Leica 16-18-21mm f/4.0 ASPH Tri-Elmar-M Black Lens w/ Universal Finder-M

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