Aquatica Underwater Macro Lens +5 -19352 Wide Wet Lenses Zuiko 9-18mm F4

Zuiko 9-18mm F4

4 WD-4 Wide Angle Dome

such as lithium primary batteries

For specific compatibility

Compatible with the Canon EF-S 17-85 mm f/4-5

Aquatica Underwater Macro Lens +5 -19352 Wide Wet Lenses Zuiko 9-18mm F4Aquatica +5 Wet Diopter Close Up Lens. +5 Wet Diopter close up lens, achromatic dual elements BK 7 mineral glass in Air, 67mm mounting threads provided. The dual elements (commonly known as doublets) are sealed inside an air space. This optical formula helps eliminate aberration and distortion, improving sharpness and maintaining the magnification of the original lens when submerged. The Aquatica close lenses have true magnification value, when a