Hi Paul a really fun photo and the Vivitar does indeed take sharp shots. Can you try shooting with a 2x extender wide open with that zoom to let see whether it is still usable and show me a photo? I will soon have some swan shots with the A70-210mm and Pentax A2s extender at 210mm F4 amd ISO 400 Fuji Superia for comparison. greetings and thanks Markus
> >>Subject: PESO: It's Great to Have a Dad >> >> >>I spent an hour walking around downtown Birmingham, Michigan this >>afternoon with the *istD and the thirty-year-old Vivitar Series 1 >>70/210/3.5. This snap was shot at f3.5, 1/1500, ISO 400, 210mm. I'm >>growing quite fond of this ancient manual focus zoom. >>http://www.photo.net/photodb/photo?photo_id=3322436 >>Pau >> >>