52° Series 30mm Waterproof Eyepiece 10x25 The longest focal length in

The longest focal length in the 52° Series with the longest eye relief

observations of active regions of the sun

as well as bright deep sky targets

This reliable rechargeable Lithium-Ion battery has a capacity of 8300 mAh with an output of 12v that connects to a supplied power cord with spring-loaded power plugs with 5

and the floating yellow neck strap ensures your binoculars stay safe and visible near water

52° Series 30mm Waterproof Eyepiece 10x25 The longest focal length inLoved by deep sky observers, a 30mm focal length eyepiece produces a large exit pupil which floods your dilated eye with light, which is needed to see faint galaxies and nebulae. Low power eyepieces are very important to observers for a variety of reasons: Their wide true field of view make object location and pointing far easier.; Many deep sky objects are large and are best viewed at the lowest magnifications your telescope eyepiece combination can