What is the main feature of the NAKOH "60GT Optical Tube"?

The NAKOH "60GT Optical Tube" features a triplet apochromatic optical system that combines Japanese-made SD glass and ED glass for exceptional chromatic aberration correction and sharp, high-contrast star images.

What are the specifications of the NAKOH "60GT Optical Tube"?

The NAKOH "60GT Optical Tube" has an effective aperture of 60mm and a focal length of 360mm, resulting in an F6 focal ratio.

What are the dedicated optional accessories for the "60GT Optical Tube"?

The dedicated optional accessories for the "60GT Optical Tube" are the "60GT 1.0x Flattener" and the "60GT 0.65x Reducer".

How does the "60GT 1.0x Flattener" improve astrophotography?

The "60GT 1.0x Flattener" provides a uniform and flat imaging field across a full-frame sensor, with a spot radius of approximately 2.1μm at the center and 2.5μm at the edge.

What is the benefit of using the "60GT 0.65x Reducer"?

The "60GT 0.65x Reducer" reduces the brightness to F3.9, making it suitable for photographing large or faint objects, while maintaining a spot radius of approximately 2.7μm at the center and 4.6μm at the edge of a full-frame sensor.

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Release of NAKOH "60GT Optical Tube", a 60mm Aperture Triplet Apochromatic Astronomical Telescope Featuring SD and ED Glass

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Frequently Asked Questions

Q: What is the main feature of the NAKOH "60GT Optical Tube"?: A: The NAKOH "60GT Optical Tube" features a triplet apochromatic optical system that combines Japanese-made SD glass and ED glass for exceptional chromatic aberration correction and sharp, high-contrast star images.
Q: What are the specifications of the NAKOH "60GT Optical Tube"?: A: The NAKOH "60GT Optical Tube" has an effective aperture of 60mm and a focal length of 360mm, resulting in an F6 focal ratio.
Q: What are the dedicated optional accessories for the "60GT Optical Tube"?: A: The dedicated optional accessories for the "60GT Optical Tube" are the "60GT 1.0x Flattener" and the "60GT 0.65x Reducer".
Q: How does the "60GT 1.0x Flattener" improve astrophotography?: A: The "60GT 1.0x Flattener" provides a uniform and flat imaging field across a full-frame sensor, with a spot radius of approximately 2.1μm at the center and 2.5μm at the edge.
Q: What is the benefit of using the "60GT 0.65x Reducer"?: A: The "60GT 0.65x Reducer" reduces the brightness to F3.9, making it suitable for photographing large or faint objects, while maintaining a spot radius of approximately 2.7μm at the center and 4.6μm at the edge of a full-frame sensor.