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ATX / STX / BTX objective module

The ATX, STX and BTX objective modules offer you unparalleled modularity and unimagined application possibilities. Four objective sizes are available for intensive nature observations: 65 mm, 85 mm, 95 mm or 115 mm.

Effective objective lens diameter
$1,079.00
Free shipping above 95.00 $
Delivery in 3-7 working days
Return guarantee

What to consider when choosing your spotting scope

Objective lens diameter

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 twilight. The bigger the objective lens diameter, the more light 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 millimeters. For example, a device with the suffix 10x42 has an objective lens with a diameter of 42 mm.

More Info
Product description

The 65 mm objective module is perfect for those who want a lightweight device that offers outstanding optical performance, a large field of view, and impressive close-range focusing.

Technical specification

65 mm85 mm95 mm115 mm
Effective objective lens diameter
> 5 dpt
Diopter correction at ∞
M 67 x 0.75M 87 x 0.75M 97 x 0.75M 118 x 0.75
Objective filter thread
8.1 in9.4 in11.6 in12.1 in
Length in mm.
27.3 oz38.8 oz47.3 oz74.1 oz
Weight
-13 to +131 °F
Functional temperature
-22 to +158 °F
Storage temperature
13 ft / 4 m water depth (inert gas filling)
Submersion tightness

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Swarovski Optik Spotting scope Objective module 65mmATX / STX / BTX objective module
65Effective objective lens diameter
Price from $1,079
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