BTX 30x85 - SWAROVSKI OPTIK

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Spotting ScopesATX / STX / BTXATX / STX / BTX spotting scope set

BTX spotting scope system

The BTX combines the visual power of both eyes with a revolutionary viewing experience. Crucial subtleties can be seen with the crystal clear optics, with every detail now fully on show. A forehead rest and angled view guarantee comfortable viewing for hours on end.

$5,248.00In stock
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.

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.

Field of view

The field of view describes the size of the image section that can be seen through the optics. This is specified either in meters (width) at a distance of 1000 meters (m/1000m), or feet (width) at a distance of 1000 yards (ft/1000 yds), or as an angle (degrees). The higher the magnification, the smaller the field of view.
Binoculars have a large field of view, which means you can see a wide area. Spotting scopes have a higher magnification, which makes the field of view much smaller, but you can see more detail.

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.

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Product description

The BTX combines the visual power of both eyes with a revolutionary viewing experience. Crucial subtleties can be seen with the crystal clear optics, with every detail now fully on show. A forehead rest and angled view guarantee comfortable viewing for hours on end. The benefits of binoculars and spotting scopes are combined in the BTX eyepiece module. It presents vivid, true-to-life images and offers the comfort required for long-term observation.

Technical specification

30x35x
magnification
65 mm85 mm95 mm110 mm
effective-objective-lens-diameter-mm
2.2 mm2.9 mm2.7 mm3.1 mm
exit-pupil-diameter-mm
21 mm
eye-relief-mm
112 ft/1000 yds96 ft/1000 yds
field-of-view-ft-1000-yds-m-1000-m
2.1 °1.8 °
field-of-view-degrees
60 °
field-of-view-apparent-degrees
7.2 ft12.5 ft16.4 ft
shortest-focusing-distance-ft-m
> 5 dpt
diopter-correction-at-∞-dpt
M 67 x 0.75M 87 x 0.75M 97 x 0.75M 118 x 0.75
objective-filter-thread
14.6 in15.9 in18 in18.6 in
length-in-mm
77.3 oz88.8 oz97.3 oz124.2 oz
weight-oz-g
-13 to +131 °F
functional-temperature
-22 to +158 °F
storage-temperature
13 ft (4m) water depth (inert gas filling)
submersion-tightness

Compare products

Swarovski Optik Spotting scope BTX 85mmBTX spotting scope system
30xMagnification
85Effective objective lens diameter
BTX eyepiece moduleEyepiece
85mm objective moduleObjective
Price from $4,548
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Reviews

4.410 Reviews
  • 7
  • 1
  • 1
  • 1
  • 0
    James F.United States | last year

    The optical quality is unmatched. Swarovski customer service is excellent!

    Nicolas A.United States | last year

    Clear optic quality.

    Mario M.United States | last year

    High quality optics! Enjoy using

    Matt F.United States | last year

    Heavy

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Do you need help?Customer Support BlackCustomer ServiceMon - Fri 8:30 AM - 7:00 PM EST(800) 426-3089info-us@swarovskioptik.com