Note: Commissions may be earned from the links below. Sigma 4.5mm f/2.8 EX Sigma 4.5mm f/2.8 EX Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Canon Digital SLR Cameras Price: $598.00 1 used & new available from Check Price View on Amazon 1
