Brand: Nova
Focal Length: 10mm
Apparent field of view: 52 deg.
Type: Super (Modified Achromatic)
Fitting: Standard 1.25 Inch
Eye Relief: 3.6mm
The Focal Length of your Telescope will determine the Magnification  of the eyepiece,

ie with a 10mm eyepiece, 500mmF/L  = 50x & 600mm F/L =60x.