How powerful is that flash as well? Must be bloody good to illuminate what he is looking at with a 600mm!!! Alan
> -----Original Message----- > From: Pål Audun Jensen [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, March 06, 2002 9:24 AM > To: [EMAIL PROTECTED] > Subject: Tripod and head for super telephotos (WAS: Pentax 300mm A 2.8 > questions ) > > > Mark wrote: > > > >You need to add two things to your lens to obtain really > sharp pictures, > >however: A solid tripod and good technique. Here's a nice > article that > >describes long lens technique: > >http://www.naturephotographers.net/bh0201-1.html > > > Sorry, but this article is written by a fool. No ball head on > the planet > can support a 600mm lens. No wonder this guy struggles with > the lens. Take > a look at the image and see the thin stem of the head holding > the long and > heavy 600mm lens with most of the weight off-axis. This guy > is trying to > defeat the laws of physics. > > Every nature photography book I own, written by European nature > photographers mind you, will tell that this setup simply > doesn't work. It > is also my experience. I stopped using my heavy duty ball > head because it > didn't produce sharp images with my 600mm lens. > > Not only is the magnification a problem; equally important is > the weight. A > Pentax 600/4 weights 7kg with almost all the weight in the > front of the > lens. This means you cannot really trust the weight load > capacity of your > tripod/head since most of the weight are off-axis. A 300/2.8 > with converter > will in fact be a set-up that's far easier to handle. > - > 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 .
