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  • Svbony Barlow Lens 0.5X Focal Reducer Thread M28x0.6 for 1.25" 31.7mm Telescope Eyepiece
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Svbony Barlow Lens 0.5X Focal Reducer Thread M28x0.6 for 1.25" 31.7mm Telescope Eyepiece

4.2 4.2 out of 5 stars 219 ratings
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Voucher valid until Friday, 31 January 2025 or while stocks last.

Purchase options and add-ons

  • M28.5x0.6mm thread; the 0.5X focal reducers has standard 1.25inch telescope threads M28.5x0.6 and fits any 1.25 inch eyepiece diagonal extender tube camera adaptor
  • Shorten focal length; the focal reducer shorten the focal length and increasing the field of view; when used for planetary vision; almost the entire field of view of the planet can be seen
  • Clear and bright image; the 0.5X focal reducers uses pure optical lenses to meet the needs of daily observation; and you can see clear images of the moon; planets; and nebulae
  • Metal material; the 0.5X focal reducers made of anodized aluminum is very stury and durable
  • Easy to use; insert the eyepiece into the 0.5X focal reducers; insert the 0.5X focal reducers into the zenith mirror; adjust the focus wheel
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Svbony Barlow Lens 0.5X Focal Reducer Thread M28x0.6 for 1.25" 31.7mm Telescope Eyepiece
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    Telescope Eyepiece

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Product Description

Svbony 1.25" 31.7mm 0.5X Focal Reducer for Telescope Eyepiece Astronomy

Barlow Lens

Reduction factor of about 0.5x effectively halves the focal length of a telescope; enabling lower magnification; wider field of view and shorter exposure times for astrophotography.

0.5X Focal Reducer Features:

Reduces the focal length for visual and photographic use.

This reducer halves the focal length of your telescope, giving you a much wider field of view. You can use this, for example, for doing astrophotography by using an astronomy webcam.

Apply to: 0.5x reducer for screwing into a filter thread; more lens speed.

Using for: Increase the image field of your web camera, use the reducer visually with an eyepiece, also ideal for video astronomy.

See the Moon: Record large areas of the moon's surface.

Telescope Eyepiece
Fits All Standard 1.25" Scope Eyepieces

Package Includes:

1 X SVBONY 1.25" Telescope 0.5X Focal Reducer

0.5X Focal Reducer Features:

Reduction factor of about 0.5X

Expands the image field of your webcam;

More light intensity;

Can be used visually with eyepiece and filter;

Also optimal for video astronomy;

Take images of larger areas of the Moon's surface.

0.5X Focal Reducer Thread
telescope eyepiece

0.5X focal reducer: 28.5x0.75mm threads for eyepieces, camera adapters, diagonals, extender tubes and other accessories with standard 1.25" threads, increases the image field of your web cameras.

Barlow Lens

Pure optical glass lens

Pure optical glass lens and broadband coating optics increase light transmission and prisms are held in a black-anodized aluminum housing for better correction.

Telescope Eyepiece

Solid Construction

The prisms are held in a sturdy and durable black-anodized aluminum housing for better correction. It is not recommended for very fast scopes or very wide angle eyepieces.

Focal Reducer: 0.5X
Lens Material: pure optical glass lens
Lens material: Broadband coating
Sleeve material: Metal
Barrel Size: 1.25 inch / 31.7mm
Thread interface: M28x0.6 pitch (Fine Thread)
Total item length (including external thread): 0.55inch / 14mm
Total item length (excluding external thread): 0.43inch / 11mm
Clear aperture: 0.87inch / 22mm
Weight: 0.42oz / 12g
Color: Black

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What's in the box?

  • 1 X Svbony 1.25" Telescope 0.5X Focal Reducer

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