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NAKOH 0.65x Reducer for 60GT
NAKOH 0.65x Reducer for 60GT
NAKOH 0.65x Reducer for 60GT
NAKOH 0.65x Reducer for 60GT

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NAKOH 0.65x Reducer for 60GT

Your Price:
£399.00
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NAKOH 60GT 0.65x Reducer

World of Telescopes is proud to introduce a new Japanese supplier, NAKOH, who represents the traditions of highest quality Japanese optics. 

Based in Osaka, Japan, NAKOH Co., Ltd. is a specialized manufacturer of astronomical optics, dedicated to the research, production, and sales of astrographes and related optical equipment for astronomy.

Designed specifically for the NAKOH 60GT, this 0.65× reducer-corrector is the ideal tool for elevating your imaging performance.

  

Package Contents

包装5减焦.jpg

0.65×Reducer

包装6减焦.jpg

User Manual /
Warranty Card

 

Specification

Product Name 60GT Specific 0.65× Reducer
Dimensions W×D×H: 128 × 72 × 72 mm
Magnification 0.65×
Optical Design Quadruplet (incl. 1× SD Glass [made in Japan])
Effective focal ratio F3.9
Image Circle φ44mm
Back Focus 55mm
Mount Thread Standard Telescope side: M68×1 / Camera side: M48×0.75, M54×0.75
Weight ≈0.58kg
Standard Accessories

0.65× Reducer × 1

Front & Rear Caps × 2

Instruction Manual × 1

Warranty Card × 1

 

 

Design Features

❶  Fast Focal Ratio

When used with the 60GT, it accelerates the focal ratio from f/6 to f/3.9, dramatically reducing exposure time and boosting efficiency in deep‑sky astrophotography. The effective focal length shortens to 234mm, widening the field of view to make capturing large deep‑sky objects—such as the Orion Nebula (M42), Andromeda Galaxy (M31), and North America Nebula—more accessible than ever.

60GT-20250930+减焦.jpg

60+0.65x Reducer Field Coverage.jpg

 

❷ Uniform Flat Field

Precisely corrects field curvature and coma to deliver uniformly sharp, round stars across the entire 44mm full‑frame image circle—from center to edge.

3-60GT+减焦镜点列图.jpg

 

❸ Advanced Optics Design

Incorporates a quadruplet lens design that includes one SD glass element (made in Japan). This configuration effectively suppresses chromatic aberration, ensuring exceptional image quality with high contrast and clarity.

0.65x减焦光路图-英文.jpg

 

Sample1

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〈Object〉 IC:M45 photographed by:Qiang
equipments:NAKOH 60GT+Specific 0.65× Reducer camera:ZWO ASI2600MC

 

Product Size Diagram / Connection Diagram

60GT-减焦.jpg

 

❶ Front Cap: Protects against dust and physical damage to the lens
❷ 60GT 0.65× Reducer Body
❸ M68 to M54 Adapter: end-interface is M54 male thread.
❹ M54 to M48 Adapter : end-interface is M48 male thread.
❺ Rear Cap: Protects against dust and physical damage to the lens.

 

Product Size Diagram

减焦尺寸图英文.jpg

 

Connection Diagram

 * Imaging Mode

连接示意图-拍摄减焦-英.jpg

 

 

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NAKOH 0.65x Reducer for 60GT

NAKOH 0.65x Reducer for 60GT

£399.00
Add to wishlist
NAKOH 0.65x Reducer for 60GT

NAKOH 0.65x Reducer for 60GT

Your Price:
£399.00
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