I have that filter and have the same issues with lens caps. I use the cap
that came with the filter - still not a positive retention but better than
no cap.
I believe that filter was specifically designed slim the prevent vignetting
with the wider lenses. I would imagine other 'slim' filters wo uld have the
same issues, but I've never tried them.
Kenneth Waller
http://www.pentaxphotogallery.com/kennethwaller
----- Original Message -----
From: "Igor PDML-StR" <pdml...@komkon.org>
Subject: What polarizer? -- Help needed.
Hi All!
Yesterday, while shooting through a window glass at a gymnastics complex,
I was regretting I didn't have a polarizer, with all the reflections and
glare I was getting from the glass.
A polarizer for all the new Pentax lenses that I bought in the past 5-6
years (17-70, 50-135, 60-250), has been on my "to think about buying" list
for a while, but haven't been a priority because of the character of most
of the photographs I've been taking in these years. But now, it's time to
"pull the trigger". And, fortunately, these three lenses have the same
filter diameter.
So, I refer to the collective wizdom of PDML.
It's been a while (more than 14 years) since I've bought a polarizer, and
I haven't been following the trends on those recently.
Any recommendations (or anti-recommendations) for a circular polarizer (67
mm). This would be used for (1) removing glare and reflections,
(2) dealing with the sky (haze, ...).
The best (optically) filter I have is a slim one by B+W. I was using it
with 18-35 and 28-70 Tokinas (77mm). There are two downsides of that one:
1. It can be _very_ hard to unscrew it, especially when it's cold.
2. Front lens caps don't stay on it. The original ones from Tokina lenses
are snap-on, and there is not much space on the inside of this ultra-thin
filter. The cap that came with the filter is a "push-on", but it is not
tight at all, and doesn't stay.
I wonder if other B+W filters (or for that matter filters from other
brands) are also prone to these problems, or it is specific to this (or
some) filter(s).
Should I consider B+W? And if so, - MRC or SC?
(Is it worth at all considering a "Kaesemann High Transmission" one? It's
almost twice as expensive.)
Should I consider some other brands (Hoya, Tiffen? ? (Any hidden jems?)
How is Bower HD? Does anybody here have one?
http://www.bhphotovideo.com/c/product/972392-REG/bower_fp67cc_67mm_digital_hd_circular.html
At $7, it is very appealing, but I don't want to degrade my lenses.
There are only 4 reviews on B&H, and none on Amazon, even though it has
been listed there (presumably) since June 2011.
Other sizes (on Amazon) got also very few mixed reviews. Some complaints
are about it being hard to remove....
One stupid question: when I look at the list of 100+ CPs in this size on
B&H, some mention rotating filter ring, while others don't.
For a CP, I assume that's a must, and I can barely imagine one without
that. (But, in principle, one can untighten the filter and adjust the
orientation that way.) So, just in case, - are there any CPs that don't
have rotating ring? (Or mentioning one is just a marketing ploy?)
Igor
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