More from Amazon.com : http://www.amazon.com/gp/product/B003ZHZW0S?tag=purrfectcatdi-20 <br /> <br />Tele Vue 3.7mm Ethos-SX 1.25 with 110 Degree Apparent Field of View with 2 Eyepiece Adapter <br /> <br />Focal Length 37mm <br />Barrel Size 2 1-14 <br />Apparent Field of View 110 deg <br />Eye Relief 15mm <br />Field Stop 704mm
