The Century Optics 1.6x HD Telephoto Conversion Lens can be added front of your lens to shift its focal range in the telephoto direction. The 1.6x Tele-Converter alters your zoom's focal length range with no appreciable light loss. Note that the Tele-Converter offers partial zooming, vignetting will occur at just past mid-range through full wide angle. At full wide angle you will have a port hole effect. The Tele-Converter attaches quickly to the front of the existing camera lens with the popular built in bayonet mount lock ring. For greater protection, the face of the unit offers 102mm threads for direct attachment of Schneider 102mm clear UV (68-120021) and polarizing (68-013002) filters.

The BigEye Lens FWAL01 is an accessory wide angle lens which fits over the housing's port and can be installed and removed during the course of the dive. It is perfect for shooting seascape, divers, ship wrecks and schools of fish, without moving further away from the subject, thereby still taking full advantage of water clarity and artificial light sources. It can be mounted on 46 or 52mm threaded lens ports or other lens ports by using a compatible adaptor The lens has four groups and four elements with a .56 magnification factor, will convert a normal lens into a 20mm wide angle lens, ideal for panoramic underwater images. Lens has a working depth of 200' (60 meters), an anti-reflection and water repellant coating on the lens element. The lens barrel is an aluminum alloy with a black hard anodized finish; the lens is lightweight and only weighs 11.3 oz (320g). Wide Angle Lens comes with M52 to M46 step down ring, lens pouch for storage, a front and rear lens caps.