Canon LA-DC58F, 58mm Conversion Lens Adapter fo...
$19.95 at
Adorama
Canon WP-DC8 Waterproof Housing for Powershot A...
$174.95 at
Leisure Pro Divers Emporium
Canon WP-DC8 Waterproof Housing for Powershot A...
$174.95 at
Adorama
Canon PowerShot A570 IS
$126.99 to $304.42
at 3 stores