One of the problems I have with the Varifocal lens is in fast moving
situations there's just too much to do, what with keeping track of
changing light situations, and having to hit the green button, then
refocusing every time there is even a minor change in focal length, a
tiny change can really change the focus point, and the stock focusing
screen isn't a big help there, as it's very forgiving of missed focus,
(you can be quite a bit off in focus and it still looks good in the
viewfinder).
Dim lighting situations can really get you out of the meter's effective
EV range, using stop down metering too, which leads to very under
exposed images as well.
The lens itself is pretty damned sharp at most focal lengths and
apertures, if you get the focus right but it is softer wide open than
stopped down a stop or two, pretty traditional really.
The biggest problem I find is both my copies are much softer wide open
at both 35mm and 85mm at close focusing distances, and that really
starts to show at K20D and above sensor resolutions.
On 12/13/2015 11:35 AM, knarf wrote:
I used to have the hood!
It friction - fit on the filter ring and was secured by a small knurled screw.
Not the most secure system, I lost the hood one day in a crowd.
Yesterday's foray with the lens was a huge disappointment. It kept focusing
several feet behind the subject. I don't know how that could happen as I have
no problem focusing with my M 200mm and Tamron 90mm macro, both of which I use
often. If it's focused on the focusing screen why wouldn't it actually be in
focus? If the focusing screen is somehow askew shouldn't all my manual focus
lenses suffer similarly?
I don't get it...
Cheers,
frank
On December 12, 2015 6:37:10 PM EST, "P.J. Alling" <[email protected]>
wrote:
One other note, the most useful accessory for this lens is the hood
originally meant for the S1 90-180mm Flat Field Zoom.
On 12/12/2015 12:51 PM, knarf wrote:
Going for image quality over speed and stealth today:
http://knarfinthecity.blogspot.ca/2015/12/old-skool.html?m=1
Could be thought of as OT because it wasn't taken with a Pentax
product but obviously Pentax content, so I'm opting for "not OT".
That is one unbelievably heavy lens. I guess a real and actual metal
barrel will do that.
Enjoy!
Cheers,
frank
--
I don't want to achieve immortality through my work; I want to achieve
immortality through not dying.
-- Woody Allen
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