Hawke Sidewinder 30 Side Focus 8-32x56 Riflescope SR Pro Reticle 17231 The Hawke Sidewinder's 30mm body encompasses a high quality optical system with Fully Multi-Coated glass. This in turn provides sharp, bright and high resolution viewing in all light conditions. The lens configurations have been carefully selected to offer the optimum performance in low light conditions, while offering excellent range finding properties. The Sidewinder features a side focusing system designed to parallax from 10yds to infinity.