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  4. Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view (SVBONY Optical Products Company)
Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view-Apparent field of view 66° wide-angle eyepiece 6mm
Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view-SVBONY Optical Products Company

Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view
SVBONY Optical Products Company

SVBONY Optical Products Company's Response Status

Response Rate

100.0%

Response Time

3.0hours

Company Review

5.0

Very Fast Response

About This Product

Fully multi-coated ultra-wide eyepiece with 66° apparent field of view. The eye relief is 16mm, allowing you to experience a more wonderful "space walk". There are 4 different focal lengths for the 1.25 inch eyepiece. There is also a kit containing all four types. Focal length: 6mm, 9mm, 15mm, 20mm; You can freely observe objects of different distances and sizes. With an ultra-wide angle of 66° apparent field of view, you can enjoy expansive views of the moon, star clusters, the Milky Way, and more. Multi-element design and multi-coating lens provide sharp images. Additionally, the image plane is flat and chromatic aberration is corrected, resulting in a clear image. The 1.25-inch eyepiece barrel is made of aluminum and has a black brushed interior to eliminate light scattering. It is also threaded to allow attachment of a 1.25 inch filter.

■Importance of eyepieces

The eyepiece is one of the most important parts of a telescope. A single eyepiece can completely change the way a telescope looks. Even if you use it for different purposes, such as observation or gazing, it is important to have an eyepiece that can bring out the full potential of a telescope, and by owning one, you can continue to use it even if you buy a new telescope.

■Recommendation of wide-angle eyepiece

For eyepieces with approximately equal focal lengths, the eyepiece with a wider apparent field of view will have a wider actual field of view. An eyepiece with a wider apparent field of view allows you to experience a more wonderful "space walk."

■Relationship between eyepiece focal length and magnification

It is calculated by the formula: Magnification = focal length of objective lens (mirror) ÷ focal length of eyepiece. Also, since the focal length of a telescope's objective lens cannot be changed, all magnification adjustments are made by replacing the eyepiece. As you can see from the above formula, the longer the focal length of the eyepiece, the lower the magnification, and the shorter the focal length of the eyepiece, the higher the magnification. The lower the magnification, the wider and brighter the visible area, and the higher the magnification, the narrower and darker the visible area. During actual observation, stars are observed at the optimal magnification by changing eyepieces with different focal lengths depending on the object being viewed.

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    Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view

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5 Models of Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view

Click on the part number for more information about each product

Image Part Number Price (excluding tax) Apparent field of view Focal length Material Plug diameter Multi coating Eye relief Eye cup
Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view-Part Number-Apparent field of view 66° wide-angle eyepiece 6mm

Apparent field of view 66° wide-angle eyepiece 6mm

$ 28.84〜

66°

6mm

Optical glass and metal

31.7mm

FMC

16mm

Break

Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view-Part Number-Apparent field of view 66° wide-angle eyepiece 9mm

Apparent field of view 66° wide-angle eyepiece 9mm

$ 28.84〜

66°

9mm

Optical glass and metal

31.7mm

FMC

16mm

Break

Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view-Part Number-Apparent field of view 66° wide-angle eyepiece 15mm

Apparent field of view 66° wide-angle eyepiece 15mm

$ 27.66〜

66°

15mm

Optical glass and metal

31.7mm

FMC

16mm

Break

Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view-Part Number-Apparent field of view 66° wide-angle eyepiece 20mm

Apparent field of view 66° wide-angle eyepiece 20mm

$ 28.84〜

66°

20mm

Optical glass and metal

31.7mm

FMC

16mm

Break

Astronomical telescope accessories 1.25 inch eyepiece 66° wide angle eyepiece apparent field of view-Part Number-Apparent field of view 66° wide-angle eyepiece set

Apparent field of view 66° wide-angle eyepiece set

$ 86.75〜

66°

6mm, 9mm,
15mm, 20mm

Optical glass and metal

31.7mm

FMC

16mm

Break

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SVBONY Optical Products Company

Response Rate

100.0%

Response Time

3.0hrs

Company Review

5.0
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