The 61° apparent angle of view also helps to minimize the visible hand-shake common in smaller and lighter high-power binoculars
which all contribute to reducing spherical aberrations
5mm Mini-Jack Ports
ISO 50/18° in Standard Process
MERCURY UNITED ELECTRONICS HUS-4.000-18-30/50/-40+85 Crystal, 4 MHz, Through Hole, 10.77mm x 4.34mm, 50 ppm, 18 pF, 30 ppm, HUS Series Tiffen 565WCS The 61° apparent angle ofThis is a Crystal, 4 MHz, Through Hole, 10. 77mm x 4. 34mm, 50 ppm, 18 pF, 30 ppm, HUS Series product from MERCURY UNITED ELECTRONICS with the model number HUS 4. 000 18 30 50 40+85Product details Crystal Case Through Hole, 10. 77mm x 4. 34mm Frequency Tolerance + 30ppm Frequency Stability + 50ppm Operating Temperature Min 40C Product Range HUS Series Load Capacitance 18pF Operating Temperature Max 85C Frequency Nom 4MHz Other details Brand MERCURY