Twist Up/Down Eyecups
A Twist-up and twist-down eyecup is standard on all SII Blue Sky® Spotting Scope models. Simply twist-down for eyeglass wearers and twist-up for non-eyeglass wearers for perfect eye relief.
Pull Out Sunshade
An attached 3 inch extension sunshade that reduces glare and protects the objective lens.
We are so confident in the quality of our products that Sightron offers a Lifetime Warranty.
Fully multi-coated lenses employ coatings on both surfaces of our precision ground glass to provide the maximum optical quality and light transmission.
Rain, snow or humidity, Sightron optics are built using 100% sealed system ensuring a lifetime of performance in the most extreme environmental conditions.
Extra Low Dispersion Glass is a special glass added to optical systems to prevent chromatic aberration.
Nitrogen Gas Charged
Nitrogen filled to provide a lifetime of use from fogging and internal water buildup.
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