Moose, thanks for your thoughts.
David
On Mar 29, 2015 11:00 PM, "Moose" <olymoose@xxxxxxxxx> wrote:
> On 3/28/2015 8:59 PM, dlmparker1@xxxxxxxxx wrote:
>
>> All members....
>>
>> I am new to this list
>>
>
> Welcome aboard!
>
> and someone here may be able to help and shed some light on a potential
>> problem.
>>
>> On the 12-40 pro zoom regardless of where you are in the setup if you
>> pull the snap ring you go into manual focus. If you have magnify and
>> peaking setup in your camera then that also comes into play when you pull
>> the snap ring back. It works the same with the 40 -150 pro zoom. All very
>> smooth and seamless.
>>
>
> I have a perhaps excessive menagerie of µ3/4 lenses. But as much of my
> love of µ4/3 is about size and weight, I have none of the lenses mentioned.
> The only pro type I have is the 75/1.8, which is right on my edge of
> size/weight, and doesn't have the snap ring for MF.
>
> I'm not sure I get the point of the snap ring for MF. I can fine tune
> focus with the shutter release half way down with the focus rings on all my
> lenses. Sure, the ring reveals an old fashioned DoF scale, but I have a DoF
> preview button on the camera.
>
> With the 17mm and apparently with the 12mm (the only prime lenses with a
>> snap ring) when you pull back the ring the manual focus becomes very "jerky"
>>
>
> As I understand it from reviews, the focus ring in normal position, MF set
> in camera, functions like most focus-by wire rings, nonlinear with speed at
> which it is turned and without hard stops at the ends. When you snap it
> mechanically to MF, it has to have an absolute FL relationship to rotation,
> shorter overall rotation and hard stops, for the DoF scale to work.
>
> Reviewers have noted a significant difference in 'feel' between the two
> modes.
>
> and the magnify and peaking modes are not implemented.
>>
>
> I know nothing about that. You could try snapping the ring into it's MF
> mode, then check the Menus. If the Magnify and Peaking Modes are greyed
> out, that would say it is intentional. If all else fails, how about asking
> Oly Customer Support?
>
> If you set the camera menu to manual focus everything works very well. My
>> contact at Olympus tried his 17mm and 12mm as well as 2 or 3 other 17`s and
>> they all work the the same as mine so we concluded that may be the way it
>> is.
>>
>
> And that may indeed just be the way it is, more a PRO style sales gimmick
> than really useful.
>
> I am not ready to give up but I need to do more research. I do not
>> believe it is correct. If it is......then why have the snap ring?
>>
>
> 'Cause it says "serious" and "Pro".
>
> AND, I find it hard to believe I am the only one complaining about this.
>>
>
> See what aggravation I saved, as well as money? I was inching toward the
> 12/2.0, but concerned how it would fit in to my still compact kit. When I
> found a Panny 14/2.5 pancake used in great shape for a LOT less money, it
> came to live with me; lookin' good so far.
>
> I use the snap ring to manual focus often and coming from the rangefinder
>> world (Leica M’s) I find the peaking feature wonderful for these aging
>> eyes. Split image focusing for the old perhaps?
>>
>
> So just use the camera MF for actual shooting and only use the snap ring
> to impress your friends. :-)
>
> Has anyone else experienced this problem?
>>
>> Thank you everyone in advance for you insight.
>>
>
> Good Luck,
> Peaking Moose
>
> --
> What if the Hokey Pokey *IS* what it's all about?
> --
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>
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