Broaden your photographic point of view with this pro-quality Sony ultra-wide converter for select E-mount lenses. Attach the device to your existing 16mm F2 lens to take extraordinary 12mm photos, or connect the unit to your 20mm F2 lens to expand its perspective to 16mm. Ideal for nature and landscape photography, this glass retains your lens? F2.8 maximum aperture for bright, clear results. Click the Sony ultra-wide converter into position using its bayonet mechanism to capture reliable, expert-grade images.