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As a large aperture refractor, Askar 185APO fills the market vacancy, continues the high quality and cost-effectiveness of APO series telescopes, and provides a new choice for astronomical amateurs.

3片式APO设计

Triplet APO design

ED玻璃

ED glass

可伸缩镜筒Retractable lens tube

船舵型锁紧圈
rudder-type locking ring

2/1.25英寸目镜接口

2"/1.25" visual adapters

M84大型内螺纹
M84 female thread

2个寻星镜基座
2 finder bases

360度旋转器
360° rotator

3.5英寸大型有齿（R&P）调焦器
3.5" R&P focuser

1:10微调精密
1: 10 fine adjustment

可伸缩遮光罩
Retractable lens hood

400mm宽型鸠尾板
400mm Losmandy Dovetail plate

 

多功能把手
Multi-functional handle

 

增高型抱箍
Heightened tube rings

CNC大锁紧螺丝
CNC big locking screws

总重量17.2kg
Gross weight 17.2kg

 

0.8倍减焦镜（另购）
0.8x reducer (optional)

 

1倍平场镜（另购）
1x flattener (optional)

 

The Askar 185APO is an OTA with a 185mm aperture,1295mm focal length, and f/7 native focal ratio.

 

The large aperture of 185mm gives it an inherent advantage in terms of light-gathering power, resolution, brightness, and contrast, allowing the photographer to gather more light and present more details and brighter objects in the image. Along with more light coming into the astrograph, the limiting magnitude can reach 13.1.

 

The Askar 185APO adopts a triplet air-spaced APO lens design, including one piece of ED glass.

 

The Askar APO series employs special optical designs and multiple lens elements to correct chromatic aberration, naturally providing higher-quality object details and color accuracy.

In the refractor's element structure, increasing the number of lens elements and designing lens combinations can effectively improve chromatic aberration correction. However, this also means increased production costs and design complexity.

 

ED glass, also known as low-dispersion glass, is a type of optical glass specifically designed to reduce chromatic aberration.

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