Meet the PENTAX VM 6×21 WP Monocular: a handy tool that lets you view objects and sights with sharp clarity. It has an ergonomic design and can withstand exposure to water. This monocular can be enhanced with a smartphone adapter and macro stand to work as a 18x microscope.
The PENTAX VM 6×21 WP lets you capture images straight through your smartphone with the V-SA1 adapter. It is waterproof to 1M. It has a rubber coated body with fully multi-coated lens with 6x magnification and minimum focal distance of 70cm.[where to get it]