Recent content by Ugreen

Thanks for the comments everyone - it's been re-boxed and is on its way back for a full refund. Although my aim was to try photograph the moon (and maybe a few other basic shots, nothing too technical), I didn't fancy investing in a mirror lens due to the 'donut' focussing effect and I don't...

And I forgot to mention - its a manual focus lens, the camera itself is set to full manual and although I can see the focus changing when I turn the focus ring I can only really get focus at f32, and when I do its only in the very centre of the image - the rest gets increasingly blurred towards...

The lens itself is a non-mirror lens, fixed at 500mm with a t-mount and the camera I'm using is a Nikon D7000. I can't post a link to the amazon page I bought it from but you can find it under 'Vivitar 500mm lens'. Here are some photos: Above is as best as I could focus the lens at f32...

Hi all, I've recently bought a Vivitar 500mm Telephoto Lens and I'm having some issues with it. Firstly it has huge vignetting issues where only a small area in the centre of the frame is in focus. Secondly it only seems to focus at its smallest aperture (in this case f32) turning up the...