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Use the Swarovski Optik 1.7x Magnification Extender to increase the magnification of your ATX, STX, or BTX family of modular spotting scope systems without affecting the functionality in any way. This accessory simply installs with a simple twist between the objective and eyepiece modules using a simple bayonet mount.
ATX and STX Modules
- 65mm and 85mm-Objective Models: Increases low magnification from 25x to 42x, and high 60x to 100x
- 95mm and 115mm-Objective Models: Increases low magnification from 30x to 50x, and high from 70x to 120x
BTX Module
- 65mm and 85mm-Objective Models: Increases magnification from 30x to 50x
- 95mm and 115mm-Objective Models: Increases magnification from 35x to 60x