Advances in low-dispersion optical glass and exotic anti-reflection coatings, along with the latest in computer-aided manufacturing are combined to produce lenses of unprecedented quality. Rather than raising the cost of Opteka filters however, these advanced materials and techniques allow more efficient and economical production. The results are lenses of remarkable quality and durability at remarkably affordable prices.
Nothing changes the way you see the world like High Definition² and no company does High Definition² like Opteka. Opteka's glass optics define High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka.
For shooting in bright sun, at beaches, snow, etc. Controls bright light entering lenses for a better balanced color image. Darkens blue skies and reduces reflections from non-metallic surfaces.