Check the listing for details. Swarovski BTX Eyepiece Module 49903. Condition: New. Listed at 2879.00 USD. --> Swarovski BTX Eyepiece Module 49903 SKU: 49903-Swaroski Swarovski BTX Eyepiece Module 49903 Swarovski's new revolutionary BTX binocular spotting scope eyepiece brings unheard-of comfort to long range optical viewing. Compatible with all ATX/STX objective lenses, the BTX eyepiece module changes the way you'll think about spotting scopes.BTX FeaturesPerfect fit to SOC Objective modules - 65mm, 85mm, and 95mm objective modules are all supportedObserver now can use both eyes all the time when scoping, enhancing user comfort and ergonomics and providing amazing image qualityDoes not have a zoom eyepiece, but is compatible with optional 1.7x Magnification Extender (49230)Eyepieces are adjustable for interpupillary distanceRight eyepiece adjusts for diopterForehead rest provides enhanced user comfort and stability, and is adjustable for optimum viewing distance from ocular lensesIntegrated peep sight for quickly finding remote targetsSWAROVISION Field Flattener and High Definition Lenses give perfect clarity, eliminate distortion, offer increased eye relief, and bring out ulimate color contrastsSWAROTOP, SWARODUR, and SWAROCLEAN lens coatingsFunctional Temperature: -13° to 131° F Manufacturer's Part Number 49903 UPC 708026499036Body Type: Field of View: 2.1°, 38m @ 1000 meters (65mm Objective) 2.1°, 37m @ 1000 meters (85mm Objective) 1.8°, 32m @ 1000 meters (95mm Objective)Scope Finish: Green Rubberized ArmorEye Relief: Diopter Adjustment: Close Focus Range: 7.2ft (65mm Objective) 12.5ft (85mm Objective) 16.4ft (95mm Objective)Warranty: Twilight Factor: Exit Pupil: Diameter: 2.2mm (65mm Objective) 2.9mm (85mm Objective) 2.7mm (95mm Objective) Distance: 21mm (65mm Objective) 21mm (85mm Objective) 21mm (95mm Objective)Product Type Magnification Range: Twin 30x Eyepieces with 65mm/85mm Objective Becomes 35x with 95mm Objective 51x/58x with optional 1.7x Magnification ExtenderEyepiece Included: Weight: 50.0oz (BTX Eyepiece Only) 77.3ox (w/65mm Objective) 88.8oz (w/85mm Objective) 97.3oz (w/95mm Objective)Item Condition