NAKOH 60GT 1.0× Flattener field corrector Nakoh telescopes opinie

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NAKOH 60GT 1.0× Flattener is a dedicated field corrector designed for the NAKOH 60GT telescope. The accessory comes from NAKOH, a Japanese company based in Osaka, and is intended for astrophotography at the telescope’s native focal length. The flattener corrects field curvature while maintaining the 360 mm focal length and f/6 focal ratio of the NAKOH 60GT system.

The corrector provides a flat 44 mm image circle, making it suitable for large sensors, including full-frame cameras. Its triplet optical design is intended to reduce star deformation at the edges of the frame without changing the image scale. 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 1.0× flattener for the NAKOH 60GT telescope
• Japanese NAKOH brand from Osaka, specializing in telescopes and precision optics
• field curvature correction without changing the telescope focal length
• maintains the native 360 mm focal length and f/6 focal ratio of the NAKOH 60GT system
• triplet optical design
• 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
• M54-M48 adapter with built-in 2" filter thread

Kit contents

• NAKOH 60GT 1.0× flattener
• front protective cap
• rear protective cap
• instruction manual
• warranty card

Technical specifications

• manufacturer: NAKOH
• model: 60GT Specific 1.0× Flattener
• compatibility: NAKOH 60GT
• focal length multiplier: 1.0×
• effective focal length with the NAKOH 60GT telescope: 360 mm
• effective focal ratio with the NAKOH 60GT telescope: f/6
• optical design: triplet
• image circle: 44 mm
• back focus: 55 mm
• telescope-side thread: M68 × 1
• camera-side threads: M54 × 0.75, M48 × 0.75
• dimensions: 112 × 75 × 75 mm
• weight: approximately 0.53 kg

NAKOH 60GT 1.0× Flattener allows the NAKOH 60GT telescope to be used at its native focal length for astrophotography, providing a flat image field and a convenient optical train configuration.