Nikon Telephoto 500mm f/8.0N Reflex Manual Focus Lens "10 20mm" Questions

...10-20mm lens is not focusing on automatic,can you advise,it is switched to auto,on a canon 400D,with polarising filter fitted! Hi Dose the lens work in manual focus if so it may need a new motor if ...

lens will only operate between 10-14mm sounds like it was dropped

I just bought the lense. The Firmware on my Canon Rebel T1i adjust automatically to my two Canon lenses, but show that I have to download firmware for the Sigma lens. Where do I get that? Hi, There is

...20mm f2.8 AF won't focus, it is stuck on infinity. The last time I used the lens it was fine. I took it out of my bag and it wouldn't focus, automatically and manually. I know it is the lense because ...

10-20mm f/4-5.6 lens still can AF, but in either manual or AF it only allows the focus ring to go between about 3ft and infinity. Stranger still, focus at infinity seems to come when it reads 3ft. I'm

10-20mm F4-5.6 EX DC 12-24mm F4.5-5.6 17-35mm F2.8-4 DG 50-500mm F4-6.3 DG APO 50-150mm F2.8 EX DC HSM 70-200mm F2.8 DG MACRO 80-400mm F4.5-5.6 100-300mm F4 DG 120-300mm F2.8 DG 300-800mm F5.6 DG 14mm