The eyepieces were developed by renowned optician Dr. Masuyama. Among other things, Dr. Masuyama designed an eyepiece with a focal length of 100 mm, which was used on the historic 60-inch telescope at Mount Wilson Observatory in California. We are pleased to offer you these legendary eyepieces with the latest glass and coating technology.
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Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.
Focal length 50 mm Apparent field of view 53° Rubber eyecup for comfortable support of the eye or glasses 2" barrel without safety groove with filter thread 5-element design Latest glass types and multi-layer coating technology Made in Japan Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.
Focal length 60 mm Apparent field of view 46° Rubber eyecup for comfortable support of the eye or glasses 2" barrel without safety groove with filter thread 5-element design Latest glass types and multi-layer coating technology Made in Japan Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.
Focal length 20 mm Apparent field of view 85° Rubber eyecup for comfortable support of the eye or glasses 2" barrel without safety groove with filter thread 5-element design Latest glass types and multi-layer coating technology Made in Japan Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.
Focal length 26 mm Apparent field of view 85° Rubber eyecup for comfortable support of the eye or glasses 2" barrel without safety groove with filter thread 5-element design Latest glass types and multi-layer coating technology Made in Japan Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.
Focal length 32 mm Apparent field of view 85° Rubber eyecup for comfortable support of the eye or glasses 2" barrel without safety groove with filter thread 5-element design Latest glass types and multi-layer coating technology Made in Japan