1,25X Magnification: This hheld monocular telescope has 25x magnification, the best magnification f long distance viewing, providing me comftable function larger field of view. 2,50mm Large Objective Lens: This vintage monocular telescope features a 50mm large objective lens, which provides a large field of view (350 feet or 1,000 yards) f me possibilities in your adventures. 3,Good Perfmance: This pirate monocular telescope combines ED prisms with FMC green films f a excellent optical system that produces sharper, clearer, me detailed images with minimal aberration. 4,Wide Application: This hheld telescope has a wide range of applications is suitable f a variety of outdo spts such as bird watching, hunting, hiking, animal observation, camping, traveling, water spts, ball spts, sight seeing, concerts, outdo adventure other activities. 5,Sturdy Robust: This ptable pirate telescope is made of excellent mg aluminum alloy lens material, which is sturdy anti wearing, not easy to be damaged, long service life, waterproof.