Optical Accessories
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On the evening of August 12, 2026, an extraordinary celestial event is on the horizon: A total solar eclipse will pass over parts of Europe—though not over Germany.
Here in Germany, we will experience an impressive partial eclipse, which will nonetheless offer a rare and spectacular sight. Germany will be entirely within the Moon’s penumbra. As a result, the sun will not be completely, but clearly and visibly “nibbled away.”
What do you need to safely observe the solar eclipse? You can find a list 👉 here!
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Optical Accessories
Everything you need of optics for visual and photographic work or accessories for DIY projects, can be found in these categories.
This Masuyama premium planetary eyepiece from Japan offers the best contrast, improved color rendition and better sharpness at the edge.
- Focal length 10 mm
- Apparent field of view 53°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" barrel without locking groove, with filter thread
- 5 elements in 3 groups
- Latest lenses and multi-layer coating technology
- Developed and manufactured by Ohi Kohki Co. in Japan
- Made in Japan
This Masuyama premium planetary eyepiece from Japan offers the best contrast, improved color rendition and better sharpness at the edge.
- Focal length 12.5 mm
- Apparent field of view 53°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" barrel without locking groove, with filter thread
- 5 elements in 3 groups
- Latest lenses and multi-layer coating technology
- Developed and manufactured by Ohi Kohki Co. in Japan
- Made in Japan
This Masuyama premium planetary eyepiece from Japan offers the best contrast, improved color rendition and better sharpness at the edge.
- Focal length 15 mm
- Apparent field of view 53°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" barrel without locking groove, with filter thread
- 5 elements in 3 groups
- Latest lenses and multi-layer coating technology
- Developed and manufactured by Ohi Kohki Co. in Japan
- Made in Japan
This Masuyama premium planetary eyepiece from Japan offers the best contrast, improved color rendition and better sharpness at the edge.
- Focal length 20 mm
- Apparent field of view 53°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" barrel without locking groove, with filter thread
- 5 elements in 3 groups
- Latest lenses and multi-layer coating technology
- Developed and manufactured by Ohi Kohki Co. in Japan
- Made in Japan
This Masuyama premium planetary eyepiece from Japan offers the best contrast, improved color rendition and better sharpness at the edge.
- Focal length 25 mm
- Apparent field of view 53°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" barrel without locking groove, with filter thread
- 5 elements in 3 groups
- Latest lenses and multi-layer coating technology
- Developed and manufactured by Ohi Kohki Co. in Japan
- Made in Japan
This Masuyama premium planetary eyepiece from Japan offers the best contrast, improved color rendition and better sharpness at the edge.
- Focal length 30 mm
- Apparent field of view 53°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" barrel without locking groove, with filter thread
- 5 elements in 3 groups
- Latest lenses and multi-layer coating technology
- Developed and manufactured by Ohi Kohki Co. in Japan
- Made in Japan
This Masuyama premium planetary eyepiece from Japan offers the best contrast, improved color rendition and better sharpness at the edge.
- Focal length 5 mm
- Apparent field of view 53°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" barrel without locking groove, with filter thread
- 5 elements in 3 groups
- Latest lenses and multi-layer coating technology
- Developed and manufactured by Ohi Kohki Co. in Japan
- Made in Japan
This Masuyama premium planetary eyepiece from Japan offers the best contrast, improved color rendition and better sharpness at the edge.
- Focal length 7.5 mm
- Apparent field of view 53°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" barrel without locking groove, with filter thread
- 5 elements in 3 groups
- Latest lenses and multi-layer coating technology
- Developed and manufactured by Ohi Kohki Co. in Japan
- Made in Japan
Masuyama premium eyepieces from Japan offer best contrast, improved color rendition and better sharpness at the edge.
- Focal length 10 mm
- Apparent field of view 85°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" 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 16 mm
- Apparent field of view 85°
- Rubber eyecup for comfortable support of the eye or glasses
- 1.25" 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 45 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 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
