Masuyama High-End Japanese Long Focal Length Eyepiece 60mm, 46° AFOV
Masuyama High-End Japanese Long Focal Length Eyepiece 50mm, 53° AFOV
Optical configuration: 5 lens elements in 3 groups.
Focal Length: 60mm
Apparent Field of View: 46°
Eye Relief: 46.5mm
Field Stop Diameter: 47mm
Barrel Size: 2" (50.8mm)
Filter Threads: Standard 2" Filter Thread (M48 x 0.75)
Maximum Width: 71mm
Weight: 600 grams
Made in Japan
These eyepieces are made in Japan by Ohi Optical Manufacturing Co., Ltd, also known as Masuyama. Located in the Ohi district of Tokyo, the company has been producing high-quality eyepieces under their own brand or 3rd party brands for over 70 years.