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For free combination with a Lunt-Solar-Systems H-alpha solar-telescope or -filter
1299.00 € 1169.00 €
Estimated delivery time : 3-4 days
Internal narrowband filters allow for a <2.4 Angstrom bandpass. Primarily an imaging system due to the difficulty of many to visually see everything that CaK has to offer. For telescopes up to 100 aperture and 1200mm focal lenght.
2399.00 € 2159.00 €
Estimated delivery time : 1 week
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
239.00 € 225.00 €
Estimated delivery time : 1-2 days
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
239.00 € 225.00 €
Estimated delivery time : 1-2 days
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
249.00 € 235.00 €
Estimated delivery time : 1-2 days
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
249.00 € 235.00 €
Estimated delivery time : 1-4 days
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
239.00 € 225.00 €
Estimated delivery time : 1-2 days
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
239.00 € 225.00 €
Estimated delivery time : 1-2 days
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
369.00 € 340.00 €
Estimated delivery time : 2-3 days
These Masuyama Barlows are designed and manufactured by Ohi Kohki Co., Ltd. in Japan. Manufactured using premium fully multicoated optical glass and available in 1.5x or 2x Configurations. The smooth-sided nosepiece is threaded to accept 1.25" astronomy filters.
149.00 € 134.00 €
Estimated delivery time : 1-4 days
Masuyama eyepieces, rigorously designed and manufactured in Japan with the highest quality standards, have always been a benchmark for discerning visual amateur astronomer.
Features Masuyama Ortho Plössl (MOP) eyepiece 35 mm 53°
- Focal length: 35 mm.
- 53° apparent field of view (AFOV).
- Eye relief: 23.5 mm.
- Modified Plössl optical design with 5 lenses in 3 groups.
- FMC - Fully Multi-Coated optical treatment.
- High refractive index lenses for excellent containment of chromatic aberration.
- Blackened lens edge.
- Retractable rubber lens hood.
- Standard 2"/50.8 mm barrel with threads for in-cell filters.
- Size: 53 mm OD x 104 mm L.
- Weight: 300 g.
- Japanese manufacture with the highest quality standards (Ohi Kohki Co., Ltd.).
349.00 € 314.00 €
Estimated delivery time : 1-4 days
Masuyama eyepieces, rigorously designed and manufactured in Japan with the highest quality standards, have always been a benchmark for discerning visual amateur astronomer.
Features Masuyama Ortho Plössl (MOP) eyepiece 35 mm 53°
- Focal length: 35 mm.
- 53° apparent field of view (AFOV).
- Eye relief: 28 mm.
- Modified Plössl optical design with 5 lenses in 3 groups.
- FMC - Fully Multi-Coated optical treatment.
- High refractive index lenses for excellent containment of chromatic aberration.
- Blackened lens edge.
- Retractable rubber lens hood.
- Standard 2"/50.8 mm barrel with threads for in-cell filters.
- Size: 53 mm OD x 115 mm L.
- Weight: 320 g.
- Japanese manufacture with the highest quality standards (Ohi Kohki Co., Ltd.).
439.00 € 395.00 €
Estimated delivery time : 1-4 days (as from Availability)
Availability acc. to manufacturer :
Mar 15 2025
Mar 15 2025
