Celestron

Key features:

• Eye relief: 22 millimeters
• High-quality, 4-element premium symmetrical Plossl optical design
• Blackened lens edges minimize internal reflection and maximize contrast
• Threaded barrels accept 1.25 inch Celestron thread-in filters
• Focal length: 32 millimeters

Key features:

• Wind speed measurement - current and maximum wind speeds
• Measures wind speed up to 67 mph (108 Km/h)
• Wind measurement units - m/ s, Km/h, ft/sec, knots, mph
• Current temperature - measures in °F (Fahrenheit) or °C (Celsius)
• Time - current time