Thanks Bill for your info. As for the helical tube, could I get 1:1 attached to either one of these lenses? What was the winning bid for it on eBay?
TIA, Jeff ----- Original Message ----- From: "William Robb" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, April 19, 2002 6:47 PM Subject: Re: New camera, new format. > ----- Original Message ----- > From: Jeff > Subject: Re: New camera, new format. > > > > > > > Which one do you want? The F4/100mm or F4/135mm? According > to the specs, > > > > the closest focussing distance is 443 mm resp 750 mm. > > > > It sounds more like CF than macro. How do these numbers > translate to image > > magnification. > > The 135 macro focuses to 1/3 life size. The bellows are a > tremendous help for macro work. > > > > > > > > ... not to mention the helical extension as well as normal > > > tubes and the bellows system ( ... just tryin' to help :^) > > > > This sounds more like it. I'll have to do my homework. > > I just lost on a helical tube for the 6x7 last night. If you > want any sort of close focusing like you get with 35mm, you need > the extension tubes. > > William Robb > - > This message is from the Pentax-Discuss Mail List. To unsubscribe, > go to http://www.pdml.net and follow the directions. Don't forget to > visit the Pentax Users' Gallery at http://pug.komkon.org . - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .

