Swarovski ATX/STX/BTX Modular Objective
Best modular optics for serious wildlife observers and professional digiscopers.
This massive objective lens turns low-light observation into a vivid, high-contrast experience that feels almost like cheating. While its sheer size demands a dedicated setup, the modular design makes it surprisingly portable, offering unmatched clarity for those who refuse to compromise on detail at extreme distances.
$3699.00
at
Outdoorsmans
More ATX/STX/BTX Modular System options
Who it's for
- Wildlife photographers and birders needing adaptable high-end optics
- Discerning observers who prioritize maximum detail and color accuracy
- Field researchers requiring fast and comfortable target acquisition
Who should skip it
- Budget-conscious hobbyists looking for an entry-level spotting solution
- Backpackers and hikers prioritizing a lightweight, minimalist gear setup
- Casual users who prefer a simple, grab-and-go optical tool
Performance breakdown
Low-Light Performance
The massive 115mm aperture captures light where others simply fade away.
Optical Clarity
Field flattener lenses deliver razor-sharp focus from the center to edges.
System Versatility
Seamlessly swaps between ATX, STX, and BTX eyepieces for any scenario.
Portability
Modular design helps, but the sheer size remains a significant carry.
Handling Ergonomics
Intuitive focus ring placement makes one-handed adjustments feel completely natural.
Build Quality
Premium glass coatings ensure rugged durability and pristine image fidelity.
Key Specs
Objective Diameter
115 mm
Weight
4.625 lbs
Length
12.1 inches
Close Focus
15.7 inches
Mounting Type
Arca-Swiss
Magnification Range
30-70x
Field of View
104-57 ft
Material
High-definition glass with SWARODUR, SWAROTOP, and SWAROCLEAN coatings
Waterproof
Yes
Weather Resistant
Yes
Know before you buy
Still have a question?
Ask Metto anything about the Swarovski ATX/STX/BTX Modular Objective before you decide.