Feature●Reduces the focal length of the telescope eyepiece to 0.5 times for a wider field of view●Suitable for observing the moon, planets, nebula, and deep sky objects●1.25" / 31.75mm Astronomy Telescope Eyepiece Focus 0.5X●2 elements & full optical glass design for more light transmission●The interface part has a 28.5 x 0.6 mm threadDescription
Reduces the focal length of the telescope eyepiece to 0.5 times for a wider field of view.
Suitable for observing the moon, planets, nebula, and deep sky objects.
1.25" / 31.75mm Astronomy Telescope Eyepiece Focus 0.5X
2 elements & full optical glass design for more light transmission
The interface part has a 28.5 x 0.6 mm thread.