Hi Jack,

The P-series filters are 84mm.  The A-series filters are 67mm.  A-series filters
don't work past a 62mm lens diameter, so if you've got a wide-angle lens or
something like a Canon L-series zoom the A-series simply won't fit.

Mike



________________________________
From: "cokinfilterusers@yahoogroups.com" <cokinfilterusers@yahoogroups.com>
To: cokinfilterusers@yahoogroups.com
Sent: Thursday, February 26, 2009 3:00:28 AM
Subject: [Cokin Filter users] Digest Number 622


Cokin Filter users - A place to talk about Cokin Filters
Messages In This Digest (1 Message)
1a.
Filter holders From: strokebloke View All Topics | Create New Topic Message
1a.
Filter holders
Posted by: "strokebloke" jackforeman@...   strokebloke
Wed Feb 25, 2009 6:48 am (PST)
Newbie here.
Can anyone simply explain to me the difference between 'A' Series
Holders & 'P' Series Holders.
I have a mixture of lense for numerous cameras but with only two lens
thread diameters; namely 52mm & 55mm. I have adaptor rings for both &
a holder. but I have no idea whether it is an 'A' or a 'P'. There's
no indication on the holder. How do you tell the difference? And why
does the intro on this site recommend using a 'P' Series?

Regards,
Jack


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