Do you have a question about the DZOFILM 20-55mm T2.8 50-125mm T2.8 and is the answer not in the manual?
Rotate the focus ring to increase or decrease the focus distance.
Controls zoom in/out by rotating the zoom ring to adjust frame area or subject size.
Controls aperture by rotating the ring to adjust T-stop and narrow or widen the aperture.
Return product for repair. Service may be refused for severe damage from physical shocks or immersion.
Product malfunction under normal use. Owner covers shipping. Warranty period varies by region.