By the way, a very good link with some very interesting ideas! On Wed, Jan 14, 2015 at 11:35 AM, Zos Xavius <[email protected]> wrote: > A flat field 300 is kind of rare. Given its 5.6 I'm surprised its not > apochromatic as well. I would really love to acquire one of these as > well as a pentax M 300/4 and compare. Either one would fit the bill > for the relative limited use I would get out of the focal length. > Especially with a good TC. > > On Wed, Jan 14, 2015 at 8:51 AM, Darren Addy <[email protected]> wrote: >> Thanks for the comments Steve & Brian. >> >> Regarding a tripod collar, I found this thread: >> http://www.dpreview.com/forums/thread/2888491 >> recommending "a Lens Collar for Canon EF 70-200mm/F4L from ebay. They >> also come in black. I bought a couple of the black ones that I am >> using for some other purpose. BTW, these are the same tripod collars >> that can be used for the Pentax-FA*300/4.5." >> >> I'm a bit surprised to find a number of people using the 54B for >> astrophotography (a torture test for lenses). This page recommends it >> (along with a couple of Pentax lenses) for example: >> http://www.gyes.eu/astro/camera_settings.htm >> >> >> >> On Tue, Jan 13, 2015 at 2:18 PM, Brian Walters <[email protected]> >> wrote: >>> Quoting Darren Addy <[email protected]>: >>> >>>> I tripped across a manual focus lens last night that I was not >>>> previously aware of: The Tamron SP 300mm f5.6 Flat Field (model 54B), >>>> an Adaptall2 lens. The two big things it has going for it are >>>> lightness and close focusing capabilities. >>> >>> >>> >>> I have one of those - as well as the 2x adapter. I haven't used it for some >>> time, though - manual focussing of long lenses is a bit of a challenge these >>> days. >>> >>> I used to take it to the Sydney Cricket Ground once a year where I'd use it, >>> tripod mounted, for some action shots of the players. I may do that again >>> this year. I only wish it had a tripod collar - it's not a heavy lens but I >>> always felt it was a bit unbalanced without one so I cobbled together a >>> rough support to move the tripod support a bit further from the camera. >>> >>> Hope you enjoy yours. >>> >>> >>> -- >>> Cheers >>> >>> Brian >>> >>> ++++++++++++++++++++++++++++++++++ >>> Brian Walters >>> Western Sydney Australia >>> http://lyons-ryan.org/southernlight/ >>> >>> >>> >>> >>> -- >>> PDML Pentax-Discuss Mail List >>> [email protected] >>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>> follow the directions. >> >> >> >> -- >> Life is too short to put up with bad bokeh. >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions.
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