Look for large objective lenses (50mm or more), moderate magnification (7x to 10x), fully multi-coated optics for maximum light transmission, and a sturdy, ergonomic design for comfortable prolonged use.
Look for large objective lenses (50mm or more), moderate magnification (7x to 10x), fully multi-coated optics for maximum light transmission, and a sturdy, ergonomic design for comfortable prolonged use.