Good trial to see if you want an f/8 mirror lens? BTW, I find mirror lenses very difficult to focus.
Paul Stenquist wrote: > I sold my 105 some time ago. I could try it with a 90. But I would > never focus any lens at f8. What's the point? > Paul > On Nov 15, 2006, at 7:49 PM, William Robb wrote: > > >>----- Original Message ----- >>From: "Paul Stenquist" >>Subject: Re: Using a Super Tak w/ istDS- A challange to the list? >> >> >> >>>I tried it with a 135/2.5 and a 35/2.0 on my *istD, both at f4. As I >>>suspected, it was much easier to focus the 135. Finding critical >>>focus on that lens was easy. The 35 appeared to be "in focus" at a >>>wide range of settings. Finding critical focus was more difficult. >>>But I already knew that. I've been doing it for more than 40 years. >> >>Try stopping down to f/8 and try with a 105 rather than a 135. >>I was surprised myself, I wasn't expecting to repeat Shel's >>observations. >>I wasn't able to repeat it with my LX, MX or ME Super. >>I do have one of the accessory screens in my istD, though I don't know >>if it has a different tooth compared to the stock screen. >> >>William Robb >> >> >> >>-- >>PDML Pentax-Discuss Mail List >>PDML@pdml.net >>http://pdml.net/mailman/listinfo/pdml_pdml.net > > > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
