Dc OS Hsm

Some articles on dc, hsm, dc os hsm:

Sigma Corporation - Lenses - DC Lenses For APS-C
4.5mm f/2.8 EX DC Circular Fisheye HSM 8–16mm f/4.5-5.6 DC HSM 10mm f/2.8 EX DC Fisheye HSM 10–20mm f/3.5 EX DC HSM 10–20mm f/4–5.6 EX DC HSM 17–50mm f/2.8 EX DC OS HSM 17–70mm f/2.8–4.5 DC ...