The best rangefinder binoculars let you measure the precise distance and they're also superb for ... He built his own 100mm refractor telescope from some bits found in a military surplus store, ...

The Knight® LRF1800 8x42 Laser Rangefinder Binocular incorporates Bak-4, phase coated roof prisms that are 100% fully green multi-coated on four sides, and fully multi-coated ...