4 PIECE BASIC ASTRONOMY TELESCOPE EYEPIECE LENS SET 4mm,6mm,12mm,20mm 1.25" INCH For Sale
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4 PIECE BASIC ASTRONOMY TELESCOPE EYEPIECE LENS SET 4mm,6mm,12mm,20mm 1.25" INCH:
$18
BASIC EYEPIECE TELESCOPE 4 PIECE LENS SET
4mm, 6mm,12mm, 20mm
Standard 1.25inch Fitting
Basic quality eyepieces provide excellent value for money for those on a budget
(High quality plossl lenses also available in our other items)
Come in protective storage case.
Features:
1.25" (31.7mm) barrel size to fit any telescope with a standard 1.25 inch fitting.
Standard filter thread for fitting moon filters and light pollution filters etc
Coated optics for better transmission and clarity
Complete with protective case
A great addition to any beginner telescope.
The eyepiece sets consist of 4 eyepieces a 4mm, 6mm ,12mm and a 20mm.
Basic specification lens design ideal for beginner telescopes.
The results you get depend on your telescope and seeing conditions.
They do the job well but if you are after high quality then please see our plossl lenses.
What Magnification is this Eyepiece? The magnification produced by an eyepiece depends on the optical system it is used in. In a standard astronomical telescope the magnification is found by dividing the focal length of the main tube by that of the eyepiece. For example, a 1000mm scope tube used with a 10mm eyepiece gives 1000/10 = 100x magnification. Used with a 5mm eyepiece gives 1000/5 = 200x.
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