BAK4HD-Bildprisma High-Resolution Monocular Telescope combines the latest optical technology with practical features for clear distant viewing. It uses a BAK4 prism and delivers a near circular exit pupil with light transmission up to 99.5%. Key benefits - 12x50 monocular telescope for distant viewing with sharp detail and bright images. - Free tripod and smartphone holder included to capture clear photos and videos of far objects and landscapes. Smartphone compatibility and mounting - High-quality smartphone holder and stable tripod are included, adjustable to two different angles and three lengths for flexible setup. Ease of use and setup - Eye cup and focus wheel can be adjusted with one hand to quickly obtain a clear, bright image. - The smartphone holder and extendable desk tripod help you capture HD photos or videos with ease. Optical performance - Double focus and highlight transmission design provide clearer, higher-contrast images. - The eyepiece can be rotated to maintain depth of field; then you can adjust focus and zoom until the view is crisp. Use scenarios - Birdwatching or wildlife observation at a distance. - Capturing distant landscapes or cityscapes. - Travel photography with a smartphone for quick HD photos and videos.