Zoom Eyepiece 7.2mm – 21.5mm (1.25″) with high performance and top-quality construction. It offers a uniform optical field and clear, sharp images.

• Focal length: Continuously variable from 7.2 mm to 21.5 mm.
• Field of view: From 60° to 40°.
• Focal length positions 7.2, 10, 13.5 & 21.5mm engraved on the eyepiece barrel.
• Eye relief: 15 mm.
• Lens with 7 elements in 4 groups.
• Large lens elements and soft folding eyecups for comfortable observation.
• All models are parfocal and feature full wide-band multiple coatings.
• Blackened lens edges and internal reflection baffles.
• Finished with anodized aluminum and a rubber toothed grip ring.
• Equipped with a 1.25″ filter thread.