Optical Design Achromat Focal Length in mm 2mm. 5mm, 9mm, 15mm, 20mm & 25mm Eye Relief 20mm Features Rubber eyecup Apparent Field of View 45º for 2mm & 5mm; 50º for the rest.

Skywatcher Long Eye Relief eyepieces are a three element achromatic design and are fully coated. This series offers a range of quality eyepieces at an affordable price from a very powerful 2mm and 5mm, both with 45° Apparent Field of View, to 9mm, 15mm, 20mm & 25mm, with 50° Apparent Field of View.