> 1. Using a teleconverter with a wide angle lens is nutsoid. (imagine > putting a 2X on a 24 or 28mm f/2.8 to obtain a really slow normal > lens.)
I don't recall anyone mentioning wide angle. > 2. Teleconverters are really only useful on fast lenses. You can > put a 2X converter on a 300 f/4, but then you get a 600 f/8. Trying > to get a sharp focus at f/8 sucks, at least for my old eyes. It's a good job the 600mm f4's can be obtained so readily and cheap then! A 420 f5.6 really isn't bad at all, my combination is as sharp as the same manufacturers 400 f5.6 prime. > 3. Teleconverters are really useful on "normal" lenses when you > want a proper perspective for portraits and are too cheap to buy > ~85mm and ~100mm lenses. Useful for those starting out on a low budjet, they can upgrade later. John Whittingham Technician ---------- Original Message ----------- From: "Bob Blakely" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Mon, 5 Jul 2004 10:40:28 -0700 Subject: Re: Teleconverter Crap > Bob's laws of teleconverter use: > > 1. Using a teleconverter with a wide angle lens is nutsoid. (imagine > putting a 2X on a 24 or 28mm f/2.8 to obtain a really slow normal > lens.) > 2. Teleconverters are really only useful on fast lenses. You can > put a 2X converter on a 300 f/4, but then you get a 600 f/8. Trying > to get a sharp focus at f/8 sucks, at least for my old eyes. > 3. Teleconverters are really useful on "normal" lenses when you > want a proper perspective for portraits and are too cheap to buy > ~85mm and ~100mm lenses. > 4. In order to get the DOF control, you will eventually sell your > youngest child to buy both an ~85mm & ~100mm lenses thus relegating the > teleconverters to very rare use. > > 5. Eventually, you will put the (now little used) teleconverters > on ebay to get the cash to help redeem your youngest child. > > Regards, > Bob... > ---------------------- > "They called my parent's generation 'The Greatest Generation' for a reason. > We have become a nation of narcissistic whiners and wienies who have > no sense of history and no vision of the future. We are without > resolve, and having forgotten first principles, we are easily swayed > to embrace lies expressed to us in trite slogans. We think life is > about us, forgetting that it is the generations to come that we > should live for." - Blakely ------- End of Original Message -------
