Re: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-18 Thread P. J. Alling
On 1/18/2011 1:49 AM, David Mann wrote: On Jan 18, 2011, at 9:46 AM, John Graves wrote: In the FWIW department, Leica bayonet caps go on any which way. It is not a REQUIREMENT that the Leica name be oriented correctly. But fellow Leicaphiles WILL notice. A bit like the correct way to

Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread Igor Roshchin
The rear lens cups for Pentax and Tokina lenses are made so that can be attached in all three angular orientations (corresponding to the three tabs). I have a Tamron lens (70-300) that has a cap that is polarized, and can only be attached in one position. Just recently I discovered that several

Re: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread Charles Robinson
On Jan 17, 2011, at 13:59, Igor Roshchin wrote: The rear lens cups for Pentax and Tokina lenses are made so that can be attached in all three angular orientations (corresponding to the three tabs). I have a Tamron lens (70-300) that has a cap that is polarized, and can only be attached

RE: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread John Celio
So, the question is why do they polarize the cap? It makes it so much more inconvenient to put the cap on with one hand... I have NO insight as to why they do this. I'd bet it's a patent issue of some sort, but I don't know either. John -- http://www.jacelio.com -- PDML Pentax-Discuss

Re: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread John Graves
In the FWIW department, Leica bayonet caps go on any which way. It is not a REQUIREMENT that the Leica name be oriented correctly. Front caps just snap into the lens. John Graves WA1JG jh.gra...@verizon.net John Celio wrote: So, the question is why do they polarize the cap? It makes it so

Re: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread Brian Walters
On Mon, 17 Jan 2011 14:59 -0500, Igor Roshchin s...@komkon.org wrote: The rear lens cups for Pentax and Tokina lenses are made so that can be attached in all three angular orientations (corresponding to the three tabs). I have a Tamron lens (70-300) that has a cap that is polarized, and

Re: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread Dario Bonazza
Igor Roshchin The rear lens cups for Pentax and Tokina lenses are made so that can be attached in all three angular orientations (corresponding to the three tabs). I have a Tamron lens (70-300) that has a cap that is polarized, and can only be attached in one position. Just recently I

RE: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread John Sessoms
From: Igor Roshchin The rear lens cups for Pentax and Tokina lenses are made so that can be attached in all three angular orientations (corresponding to the three tabs). I have a Tamron lens (70-300) that has a cap that is polarized, and can only be attached in one position. Just recently I

Re: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread eckinator
2011/1/17 John Sessoms jsessoms...@nc.rr.com: Pentax made a rear lens cap that looks like a hat with a brim and those are the best fitting rear lens caps I've ever found for Pentax K-mount lenses, whoever the manufacturer is. http://preview.tinyurl.com/4m8ulxb Glad I'm not the only one with

Re: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread Miserere
On 17 January 2011 14:59, Igor Roshchin s...@komkon.org wrote: The rear lens cups for Pentax and Tokina lenses are made so that can be attached in all three angular orientations (corresponding to the three tabs). I have a Tamron lens (70-300) that has a cap that is polarized, and can only

Re: Lens rear caps - Pentax vs. non-Pentax (Question)

2011-01-17 Thread David Mann
On Jan 18, 2011, at 9:46 AM, John Graves wrote: In the FWIW department, Leica bayonet caps go on any which way. It is not a REQUIREMENT that the Leica name be oriented correctly. But fellow Leicaphiles WILL notice. A bit like the correct way to position a tyre on a bicycle. If it has a