- HD – High definition
- ED – Extra low dispersion optical system
- UBX Fully Multi-Coated
- SHR Metallic Coated
- PXA Phase Coating
- A-lock diopter system
- BAK4 Optics
- Long Eye Relief
DescriptionAll Rainier binoculars push the limits of optical perfection. All optical components receive our exclusive UBX multi-layer coating for maximum light transmission. The extra large BAK-4 prisms are coated with over 60 layers of Alpen’s SHR metallic and PXA phase coatings to deliver the best brightness, clarity and color fidelity. Large diameter lens elements throughout the optical system provide enhanced field of view and eye relief for easy viewing.
|Field of View||393/1000yds|
|Lens Coatings||UBX Fully-Multi-Ctd, SHR Metallic Ctg, PXA Phase Ctg|
|Objective Lens Diameter||42mm|
|Eyecup Type||Multi-Position Twistlock|
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