Quantaray Tech-10 70-300mm f/4.0-5.6 for Pentax "300" Questions

Zuiko 70-300 evolt 300 malfuntion at start up With the 70-300 in place, turning the camera on causes the sswf light to stay on with no menu or viewfinder image available. If I turn the camera on with ...

Sigma 70-300 4-5.6 DL has some fungus & blur My 70-300 4-5.6 DL has some fungus & blur on the inside of the last internal lens . How can I fix it ? Where can I find the service manual ? Fungus

trouble focusing with sigma 70-300 DL macro super lens Hi I am using a sigma 70-300 DL macro super lens on my canon Eos 300 D digital camera and am not able to either get the auto or manual focus to ...

sigma 70-300 dl macro lens hi does the sigma 70-300 dl macro lens fit the canon eos 500d? Yes it fits, but function, no, the electronics in the lens are not compatible with Canon digitals

which digital cameras can the sigma dl 75-300 lens... Which digital cameras can the sigma dl 75-300 lens be used on nikon dslr cameras.ie,d70,d80.full frame and aps sensors,dl macro super lens good ...

canon ef 75-300 aperture fixed at f22 Hi, I read that you disassembly yourself your canon ef 75-300. I've the 75-300 USM III and have the aperture fixed now, i think i must changeor perhaps have the ...

I've got nikon D300, & 18 ~ 135 Nikkor lens for wild life & potraite photography I'm confusing to go Between 70-300 or 100-400 range anyone pls suggest.... The 70-300 is less expensive and ...

canon ds126151 when i fix it error appear 99 Hi If the canon a digital one if so the sigma 70-300 may be to old and not compatible only if the sigma 70-300 is a super can it be rechiped will need to ...

i had a vivitar lens it was a few years old i think it was 70 to 300 mm ... but was told its 28-300 for a cannon af i know the lens was 77mm wide can you shed any light on this for me Yeah it works ...

AF 70-300 causes error 99 in my Canon 300D I have been using my Tamron 70-300 lens with my Canon 300D for a little less than a year. A few days ago I started getting an error 99 in my Canon 300D when ...