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Product selection

ATX / STX / BTX objective module

Model Selection
Product selection
Effective objective lens diameter
  • 65£780.00
  • 85£1,340.00
  • 95£1,690.00
  • 115£2,370.00
Free shipping above 70.00 GBP
Delivery in 3-7 working days
Return guarantee

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Price from £780.00

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.

Variable magnification

Variable magnification makes it possible to adjust the magnification flexibly within a specific range. In contrast to fixed magnification, it allows you to zoom from the lower value to the higher value. However, as the magnification increases, the field of view, i.e. the image section, becomes smaller. Check the precise product name as the number in front of the ‘x’ specifies the magnification. For example, 30-70x95 is a device with a variable magnification from 30x to 70x.

Modular spotting scope system

Modular spotting scope systems make it possible to flexibly combine different components (objective module and eyepiece module). The objective module is the component that faces the object being observed, while the eyepiece module is closest to the observer. Unlike permanent built-in spotting scopes or extendable spotting scopes, modular systems can be adapted to meet special requirements in different situations.

Weight

The weight specifies how heavy or light the device is (in grams or ounces). Do you intend to do a lot of walking? Lightweight equipment is a priority in this case.

Technical specification

Objective
65 mm85 mm95 mm115 mmEffective objective lens diameter
> 5 dptDiopter correction at ∞
Digital
M 67 x 0.75M 87 x 0.75M 97 x 0.75M 118 x 0.75Objective filter thread
Size & weight
207 mm240 mm294 mm307 mmLength in mm.
775 g1100 g1340 g2100 gWeight
Environment & Conditions
-25 to +55 °CFunctional temperature
-30 to +70 °CStorage temperature
13 ft / 4 m water depth (inert gas filling)Submersion tightness
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