Opticron Eyepieces for their Fieldscopes cover a wide range of magnifications in both zoom and fixed eyepieces. Depending on the focal length of the scope body, magnifications can be as low as 12x or as high as 90x.
Opticron HDF 18xWW (50) / 23xWW (60) / 28xWW (77) Eyepiece
$189.00 list price $165.00 your price Free Shipping!! (within lower 48)
Opticron SDL v3 Zoom Eyepiece
$469.00 list price $409.00 your price Free Shipping!! (within lower 48)