The Sig Sauer JULIET3-MICRO 3x Red Dot Magnifier is 30% smaller and lighter than the original JULIET3 while still providing exceptional optical performance. Micro size with macro features. the Sig Sauer JULIET3-MICRO Magnifier is an ultra-compact and lightweight magnifier that features an aircraft-grade CNC aluminum housing and durable, dependable IPX-7 waterproof and fog-proof performance. With its high-performance dielectric coated prism, the Sig Sauer JULIET3-MICRO 3x Red Dot Magnifier provides excellent light transmission giving you complete clarity when you need it most.