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Swarovski Modular Eyepiece BTX - 49903
Swarovski Modular Eyepiece BTX - 49903
Alternative Views

Tech Specs at a Glance:

Magnification Range: 30x w/ 65mm/85mm 35x w/ 95mm/115mm
Exit Pupil Distance: 21mm
Functional Temperature Range: -25C to +55C
Submersible To: 4m
Weight: 50oz / 141g

Refer to the "Technical Info" tab below for additional specifications.

Price: $4,366.00
Sale Price: $3,929.00

Quantity Available:(Out of Stock)


Description Technical Info

Swarovski Modular Eyepiece BTX - 49903:

A fixed magnification unit with two eyepieces.

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.

Through Completely New Eyes:

Taking functionality to a new level: the BTX spotting scope system combines exceptionally flexible modularity with optical perfection. The objective lens can be changed to suit any viewing situation. Extreme detail recognition at crucial moments thanks to SWAROVISION technology and total ease of use ensure fascinating experiences in the great outdoors.


  • 30x with the 65mm and 85mm objective modules
  • 35x with the 95mm and 115mm objective modules
  • 51x with the 65mm and 85mm objective moduels, and 58x with the 95mm and 115mm objective modules when combined with the 1.7x Magnification Extender
  • Mounted aiming aid to help you align the spotting scope with the subject
  • Forehead rest for enhanced user comfort and stability, adjustable for optimum viewing distance from ocular lenses
  • Integrated peep sight for quickly finding remote targets
  • SWAROVISION Lenses give perfect clarity, eliminate distortion, offer increased eye relief, and bringing out enhanced color contrasts
  • SWAROTOP, SWARODUR, and SWAROCLEAN lens coatings
  • Functional Temperature: -13 to 131 F
  • Turn your spotting scope into a telephoto lens with optional adapters for iPhone
  • The integrated, extendable sun shield blocks lateral light and protects the objective lens from rain