An object that is accurately centred in the eyepiece will be simultaneously centred in the field of view of camera; You no longer have to worry about whether the object is correctly positioned on the chip; you know it will be
For precise focusing: In astrophotography if you want to take successful astronomy photographs; The Alstar flip mirror makes it very simple to find both the exact focus point and also the correct positioning for your astronomy photographs
Always sharp: If you tilt the mirror to the 45 degree position; the object appear in the eyepiece and you will be able to precisely focus it; The helical focuser on the flip mirror lets you make the eyepiece and camera exactly parfocal with each other
Wider 58 Degree Field of View: The Alstar 1.25 Inch 58-Degree 20 mm wide angle telescope eyepieceis is designed for astronomy enthusiasts; Offering a focal length range of 2.5 mm to 25 mm and a 58-degree wide field of view to capture more celestial details
Standard 1.25 Inch Barrel and Thread: Compatible with any telescope equipped with 1.25 inch focuser and the 1.25 inch female thread can also be connected with 1.25 inch telescope filter or other 1.25 inch telescope accessories; Whether for planetary observation or deepsky exploration this eyepiece delivers sharp and clear images meeting your high standards for stargazing