NAKOH 60GT 0.65× focal reducer Nakoh telescopes opinie

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NAKOH 60GT 0.65× Reducer is a dedicated focal reducer designed for the NAKOH 60GT telescope. The accessory comes from NAKOH, a Japanese company based in Osaka, and is intended for wide-field astrophotography. When used with the NAKOH 60GT telescope, the reducer shortens the focal length to 234 mm and changes the system focal ratio to f/3.9.

The reducer also works as a field corrector, reducing field curvature and coma. Its quadruplet optical design uses one Japan-made SD glass element. The 44 mm image circle allows the system to work with large sensors, including full-frame cameras, while the standard 55 mm back focus makes it easier to configure the imaging train with astronomical cameras and photographic cameras using appropriate adapters.

Key features

• dedicated 0.65× focal reducer for the NAKOH 60GT telescope
• Japanese NAKOH brand from Osaka, specializing in telescopes and precision optics
• shortens the focal length of the NAKOH 60GT telescope to 234 mm
• provides an f/3.9 focal ratio with the NAKOH 60GT telescope
• quadruplet optical design
• one Japan-made SD glass element
• correction of field curvature and coma
• 44 mm image circle for large sensors, including full-frame cameras
• standard 55 mm back focus
• M68 × 1 thread on the telescope side
• M54 × 0.75 and M48 × 0.75 threads on the camera side

Kit contents

• NAKOH 60GT 0.65× reducer
• front protective cap
• rear protective cap
• instruction manual
• warranty card

Technical specifications

• manufacturer: NAKOH
• model: 60GT Specific 0.65× Reducer
• compatibility: NAKOH 60GT
• focal length multiplier: 0.65×
• effective focal length with the NAKOH 60GT telescope: 234 mm
• effective focal ratio with the NAKOH 60GT telescope: f/3.9
• optical design: quadruplet
• optical glass: 1× SD Glass [made in Japan]
• image circle: 44 mm
• back focus: 55 mm
• telescope-side thread: M68 × 1
• camera-side threads: M54 × 0.75, M48 × 0.75
• dimensions: 128 × 72 × 72 mm
• weight: approximately 0.58 kg

NAKOH 60GT 0.65× Reducer turns the NAKOH 60GT telescope into a fast 234 mm f/3.9 astrophotography system designed for imaging wide deep-sky objects.