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Masuyama Ortho 4mm FMC eyepiece

Orthoscopic eyepieces offer a particularly flat field of view with uniform sharpness from center to edge. They are therefore particularly interesting for observing the moon, the planets and, with a solar filter, the sun.

€114.88
Entrega entre 7 y 9 días laborables
Reference:
64924
Description

The eyepieces go to renowned optician Dr. Masuyama, who developed many of the best Japanese eyepieces of the 1960s and 1970s. dr. Among other things, Masuyama designed an eyepiece with a focal length of 100 mm, which was used for visual observation in the historic 60-inch telescope at Mount Wilson Observatory in California. After nearly 30 years, the legendary Masuyama eyepieces are back in production. They are manufactured by Ohi Optical with the latest glass and multi-layer technology made in Japan!

Especificaciones:

Capacidad

 
Distancia focal (mm)  4
Conexión (lado de telescopio)  1,25" 
Campo visual aparente (°)  42
Distancia interocular (mm)  3,4
Bonificación de los elementos ópticos  FMC, Ultra Wind Band Coating
Número de lentes 4
Número de grupos 2
Diafragma de campo (mm) 2,6

Peculiaridades

Anteojeras ajustables  no
Rosca para filtro 
Homofocal 
Relleno de gas protector no

En general

Tipo Ocular 
Tipo de construcción ortoscópico 
Longitud (mm) 38
Diámetro (mm) 34

Product Details
64924
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