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Swarovski Z8i 1.7-13.3x42mm Spotting Scope

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  • Illuminated Scope
  • FOV: 25.2m at 100 meters
  • Magnification: 1.7-13.3x
  • Lightweight
  • SWA-Z8I-17-133X42P
Swarovski Z8i 1.7-13.3x42mm Spotting Scope  The Swarovski Z8i 1,7-13,3x42mm 4A-I... more
Product information "Swarovski Z8i 1.7-13.3x42mm Spotting Scope"

Swarovski Z8i 1.7-13.3x42mm Spotting Scope 

The Swarovski Z8i 1,7-13,3x42mm 4A-I Illuminated Spotting scope is light and has a wide range of field views of  25.2m at 100 meters. 


The magnification specifies how much closer an object appears to be. The higher the magnification, the closer the object appears and the smaller the field of view. scopes usually have variable magnification (zoom), e.g. 2-16x. This means it is possible to zoom continuously from 2x to 16x magnification


To always be able to aim at the sighting point from different distances, the reticle is adjusted so that the impact point matches the aiming point. The aiming point is the point on the object you want to target. The reticle adjustment in the turrets on the scope is operated using the click settings. Each click changes the impact point.


The adjustment range describes the range within which you can correct the impact point by adjusting the reticle without moving the device. The adjustment range is specified in relation to both the elevation and the windage adjustment.

We measure the adjustment range in meters per 100 meters (m/100m) or inches per 100 yards (in/100yd). Other manufacturers choose to specify this in MRAD (milliradians) or MOA (minutes of angle).

This describes the amount of visible light that can pass through an optical system and is expressed as a percentage. The objective lens diameter specifies how much light can enter the optics. This makes it a key factor in an instrument’s performance, for example, in the twilight. The bigger the objective lens diameter, the lighter the objective lens can capture. The darker the surroundings, the larger the objective lens diameter needs to be. Check the precise product name as the number after the ‘x’ specifies the objective lens diameter in millimetres. A device with a suffix of 2-16x50, for example, has an objective lens with a diameter of 50 mm.





Magnification: 1.7-13.3x
Effective objective lens diameter: 13.6-42 mm
Exit pupil diameter: 8.1-3.1 mm
Exit pupil distance 95 mm
Field of view: 25.2-3.1 m/100m
Field of view degrees: 14.4-1.8 °
Field of view apparent: 24 °
Diopter adjustment: -3 to +2 dpt
Light transmission: 93 %
Twilight factor acc. to ISO 14132-1: 4.8-23.6
Parallax correction: 50-∞ m


Impact point correction per click: 0.36 / 10
Max. elevation / windage adjustment range: 54 / 1.5
Objective filter thread: M 44x0.75
Operating time: Twilight factor at medium brightness: 1,400; daylight factor at medium brightness: 180


Length in mm.: 336 mm
Weight: 635 g
Central tube diameter: 30 mm


Functional temperature: -20 to +55 °C
Storage temperature: -30 to +70 °C
Submersion tightness: 13 ft / 4 m water depth (inert gas filling)


Brightness levels: Twilight: 0 - 32 / Day: 33 - 64

Colour: Black
Category: Full Size
Product Type: scope
Magnification: 13.6-42mm, 13x
Aperture: 42
Recommended Use: Bird Watching, Outdoor
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