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Leica 40400 binocular

Leica 40400 binocular
alaAverage 5

5 reviews

Jul, 2018

alaTest has collected and analyzed 5 reviews of Leica 40400 binocular. The average rating for this product is 5.0/5, compared to an average rating of 4.2/5 for other Binoculars for all reviews.

On average, users rate this product 100/100.

Review analysis

(Based on 5 reviews)

User Reviews  


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Consumer review ( review summary for Leica 40400 binocular


alaTest has collected and analyzed 4 user reviews of Leica 40400 binocular from The average user rating for this product is 5.0/5, compared to an average user rating of 4.1/5 for other Binoculars on

100% of the reviews on give this product a positive rating.

This summary is based on the products: Leica 8-12x42 Duovid Binocular (Black)Leica 8-12x42 Duovid Binocular (Black)

Jul, 2018

Consumer review (

Leica Duovid 8-12X42 Binocular


I compared this binocular to Zeiss, Swarovski (SLC's El's), Nikon, Kahles, and Elites and found these to be superior to all but the 10X50 ELs by Swarovski. The dynamic color and amazingly clear and sharp picture from these binos were amazing. Even the...

Adjustable magnification, comfortable viewing ergonomically fit, amazingly clear, sharp

Needs Objective Lens Covers attached, easier magnification adjustment. Neither of which

Jul, 2004

Product Specifications

Leica heralds a new era in binoculars! The Leica Duovid 8 + 12 x 42 is the first high end binocular worldwide that features switchable magnification. As a birdwatcher, you can now rely on a single binocular that flexibly adapts to all activities. With the 8x magnification, it provides an absolutely steady image, a large field of view and a great depth of field for an outstanding overview. Then, by switching to the 12x magnification, you are right there, close to the action. Its exceptional imaging performance enables you to discern even the smallest details - even in critical poor light situations. As a result, with the Leica Duovid 8 + 12 x 42 you are perfectly equipped for every bird-watching situation.

Dimensions & Weight



Waterproof up to:196.9

Energy Management

Battery operated: No


Packaged Quantity:1
Product Line:Leica Duovid

Lens System

Focus Adjustment:Manual

Optical System

Magnification:8 - 12
Objective Lens Diameter:42mm
Prism System:Roof
Special Functions:Waterproof

Other Features

Pupil distance:2.17

Packaging Content

Carrying case: Yes


Battery operated:N

Technical Details

Apparent field of view:6.7
Barometer: No
Closest Focusing Distance:137.8
Color of product:Black
Compatible memory cards: No
Diopter compensation (±):3
Electronic compass: No
Exit pupil:0.207
Eye Relief:0.571
Objective diameter:1.65
Prism type:Roof
Twilight factor:18.33
Waterproof: Yes
Waterproof up to:196.9

Weight & Dimensions