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Re: [OM] Confession, and a little confusion [was Panny 20mm/1.7 DOF]

Subject: Re: [OM] Confession, and a little confusion [was Panny 20mm/1.7 DOF]
From: "Bill Pearce" <billcpearce@xxxxxxx>
Date: Sun, 20 Jan 2013 22:52:00 -0600
I got the hood for my 14 off Amazon, and it is the same one listed for the 
20, and it works. Haven't used it in any extreme situations, so don't know 
how well it works. It is advertise as something like "Leica style" which is 
about as relevant as all the tripods that were advertised as "Digital" a few 
years ago, but it is needlessly ventilated, so if my GF3 suddenly grows a 
rangefinder, I'm good to go!

-----Original Message----- 
From: Paul Braun
Sent: Sunday, January 20, 2013 10:37 PM
To: Olympus Camera Discussion
Subject: Re: [OM] Confession, and a little confusion [was Panny 20mm/1.7 
DOF]

On 1/20/13 17:43 : , Moose wrote:
> On 1/20/2013 8:15 AM, Paul Braun wrote:
>> I have noticed over the past couple of weeks that when I use the 20/1.7
>> wide open, that little sucker has a really, really shallow DOF.
> I sort of thought that was one of the points of a fast prime, no? Also a 
> major reason I am mostly happy to use slower
> lenses, like the µ4/3 zooms. Sounds like you want what I want, fast, but 
> with lots of DOF. Physics says no, at least
> until one of the completely different image forming designs pans out for 
> our sort of use.
Yeah, that is one of the points of a 1.7, but I'm just not used to it
yet.  What I also want is the equivalent of a 14-300/2.8 or better with
razor-sharp focus that's as light as the u43 12-50 for $250.  I don't
think I ask too much... :-)
>> It's caught me out more than once - I'm starting to get a handle on it, 
>> but when
>> I had to crank it open because of low light, I have to be extremely 
>> careful
>> where my focus point is....
> Nothing new there. It is the same with fast lenses for 35mm. Both Tina and 
> Dawid, among list lovers of fast lenses with
> shallow DOF, have had their share of slightly missed* focal plane 
> placement on images they have shown. Imagine what the
> outtakes may be like! ;-)
>
> Bracket focus when you can, stop down when you want more DOF, otherwise, 
> practice and hope for the best.
Yep.  I will practice more.  That's why it's become my walkaround lens.
I really like the compactness and lightness of that combo.
>> Otherwise, I'm really liking that lens.
> Well, it is certainly small and light, and sorta cute. Size is useful for 
> finding a place in the bag for it.
>
> Have you run into any flare problems? Panny doesn't even make a hood for 
> it. There are a couple of similar designs of
> metal hood Leica lookalikes all over the place, as well as a few rubber 
> designs. Many are designed for WA, which this
> lens isn't, @ 40 mm eq., so I don't see any point in them.
I always keep a metal lens hood on it, so not yet.  For me, it's
permanent flare protection and also serves as a cheap bumper to protect
that front element in case I whack something.  A definite possibility
for a "carry it with me most of the time" camera.
> I'm a little concerned, as I can't tell if any are of small enough outer 
> diameter at the base, just above their mounting
> threads. The front of the lens retracts slightly behind the surrounding 
> bezel when turned off. Thus, the manual says:
I've never had a vignetting problem that I can tell or a problem with focus.
> "Accessories other than filters, such as conversion lenses or adaptors 
> [sic], cannot be mounted on this lens. It may
> interfere with the focus operation or damage the lens."
>
> So, mounting just any old 46mm screw-in hood, and some other ideas I found 
> on the web, could damage the lens.
I haven't run into a problem with mine.


-- 



Paul Braun
Valparaiso, IN


"It's such a fine line between stupid, and clever." - David St. Hubbins

"Music washes from the soul the dust of everyday life" - Harlan Howard

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