It's quite effective with F and later lenses. Seems to have issues with 
older lenses (A and earlier lenses where you have to enter the focal 
length).

-Adam


Tim Øsleby wrote:
> Shake Reduction does nothing for my muscle aching after holding the setup in
> position for two-three hours. 
> 
> With a well balanced gimbal setup I rest my left arm on top of the lens, the
> right arm I use to move the setup with minimum effort. 
> 
> Another thing. SR is not a Shake Stopper, it only _reduces_ the vibrations;
> it's not a magic device. 
> 
> SR _and_ tripod is not magic either, but it comes a lot closer ;-)
> 
> 
> Tim
> Mostly harmless (just plain Norwegian)
>  
> 
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> Frits Wüthrich
> Sent: 21. september 2006 22:03
> To: Pentax-Discuss Mail List
> Subject: Re: 3 New DA* USM lenses
> 
> why a tripod mount, it has Shake Reduction.
> 
> On Thursday 21 September 2006 02:40, Tim Øsleby wrote:
>> Without tripod collar?
>> Really hope they have found room for that.
>>
>>
>> Tim
>> Mostly harmless (just plain Norwegian)
>>
>>
>> -----Original Message-----
>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
>> Mark Roberts
>> Sent: 21. september 2006 02:39
>> To: Pentax-Discuss Mail List
>> Subject: Re: 3 New DA* USM lenses
>>
>> Lawrence Kwan wrote:
>>> 3 New DA* lenses announced:
>>>
>>> http://www.pentax.co.jp/english/news/2006/200646.html
>>> http://www.pentax.co.jp/japan/news/2006/press-image/200646-05.jpg
>>>
>>> PENTAX-DA* 16-50mm F2.8ED AL[IF]
>>> PENTAX-DA* 50-135mm F2.8ED [IF]
>>> PENTAX-DA* 60-250mm F4ED [IF]
>>>
>>> Available in March 2007
>> Ooh. That 60-250 is going to be The Lens To Have for sports shooters!
>>
>> --
>> Mark Roberts Photography & Multimedia
>> www.robertstech.com
>> 412-687-2835
>>
>>
>>
>>
>>
>> --
>> PDML Pentax-Discuss Mail List
>> PDML@pdml.net
>> http://pdml.net/mailman/listinfo/pdml_pdml.net
> 


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