----- Original Message ----- From: P�l Audun Jensen Subject: Re: Thanks Ultra-Wide Anglers! (Now a few more questions...)
> William wrote: > > > >If diffraction is going to be a problem with MF, it will also be > >a problem with 35mm, if DOF is the same, and field of view is > >the same. > > > Sure if DOF is the same. However, in many instances getting the necessarily > DOF with MF is sometimes impossible due to the fact that focal lengths are > different for the same angle of view. If you get the desired DOF with you > 35mm system with a 28mm lens at F:22 you're lost trying to shoot the same > scene with your Pentax 645 and the 45mm at F:22. Agreed. But if you get the desired DOF on a 35mm system with a 28mm lens at f/22, you are well and truly in diffraction land. 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 .
