Continuous zoom between 10X-30X, higher magnification can be seen farther When looking at the maximum multiple you can see the Moon Crater60MM objective lens,BAK4 Prism, FMC Optical coating prism, Multi-coated optics increase light transmission resulting in brighter and sharper images with high contrast levelsThis pair of binoculars can be used with a tripod, it is very convenient when you watch something for a long time. and this can be adjusted with a central focus on the different distanceNatural rubber is environmentally friendly and healthy, with good anti-seismic performance and effective waterproofingNatural rubber is environmentally friendly, has good seismic performance and is life waterproof. The middle frame is made of alloy material, which is sturdy and durablePowerful long-distance telescope,Ideal for touring and sightseeing, Moon watching,vocal concert, sport match, watch the birds and beasts perform, camping, exploration, shooting, fishing and admire the scenery