【widely used】--25 x 30 Retractable Telescope is Good for sporting events, concerts, bird watching, camping, fishing, golf, scope and travelling. 【specification】--25 x 30 High Definition Monocular Telescope offers an 10X magnification and a 30mm objective diameter. Can clearly see objects, sports events, etc. from a distance 【what can our telescope do】--Our HD optical monocular telescope is suitable for enjoy beautiful nature, view birds, watch sports etc. It will help you see things in low light, it doesn't help you see things in the dark. Can't be used at night. Powerful, ultra-compact and ultra-lightweight to carry. You are worth it. 【perfect design】--The fully coated optics, meanwhile, guarantee superior light transmission and brightness. Single hand operation, compact and lightweight to carry.Zoom design and elegant appearance. Maintaining quality while maintaining aesthetics 【imaging】--Better coating, different color bands at different angles, excellent imaging, high definition, good color reproduction, can be seen during the day and night, and shimmering night vision in a little bright situation. effect