Pretty much he said that it was shameful engineering...

On Wed, Jul 24, 2013 at 3:35 PM, Zos Xavius <[email protected]> wrote:
> what did he say? why would we be insulted? if its poorly built, its
> poorly built.
>
> On Wed, Jul 24, 2013 at 7:40 AM, Boris Liberman <[email protected]> wrote:
>> One of local Pentaxians had 17-70/4. The SDM failed on him and being a
>> handy person he took it apart. I won't repeat what he told me so as
>> not to insult anyone. It was a very strong arguments against the SDM
>> lenses, at least the cheaper ones.
>>
>> On Wed, Jul 24, 2013 at 2:27 PM, David J Brooks <[email protected]> wrote:
>>> Thanks for the comments so far. Given me some things to think about. I
>>> have a fader ND filter at 67mm dia, so the Pentax 17-70 would fit it,
>>> but leery of the SDM from what i have read previously. I don
>>> t need IS as its in the K-5 body so that would be a wasted Sigma
>>> feature. Decisions decisions.
>>>
>>> Dave
>>>
>>> On Wed, Jul 24, 2013 at 2:21 AM, Boris Liberman <[email protected]> wrote:
>>>> I concur. Although when I first saw the lens in your hands, Jaume, I
>>>> did not expect to own it some day. I should point that it is not that
>>>> heavy given the speed and zoom range. It is rather well made although
>>>> indeed eventually the zoom becomes creepy. It does have the zoom look
>>>> that is handy for transportation, obviously.
>>>>
>>>> On Tue, Jul 23, 2013 at 9:49 PM, Jaume Lahuerta <[email protected]> wrote:
>>>>> Hi,
>>>>>
>>>>> I also have the old Sigma 17-70 (actually I think that I have some 
>>>>> responsibility in Boris owning one...) and I second Boris comments. The 
>>>>> only complaint is that is is a bit heavy and the zoom eventually becomes 
>>>>> loose.
>>>>> I have physically seen the latest version and I have to admit that it 
>>>>> looks and feels extremely compact.
>>>>>
>>>>> However, my favorite compromise range / IQ would be the 18-135. Sigma has 
>>>>> one but its reputation is worst than the 17-70s and the Pentax one seems 
>>>>> a bit expensive.
>>>>>
>>>>> Regards,
>>>>> Jaume
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ----- Mensaje original -----
>>>>>> De: Boris Liberman <[email protected]>
>>>>>> Para: Pentax-Discuss Mail List <[email protected]>
>>>>>> CC:
>>>>>> Enviado: Martes 23 de julio de 2013 13:47
>>>>>> Asunto: Re: the 16-45 to 17-70 range
>>>>>>
>>>>>> Dave, I've (the oldest version of) Sigma 17-70/2.8-4.5. Such lenses
>>>>>> can be had for order of USD 250-300. I cannot praise mine enough. It
>>>>>> successfully replaced DA* 16-50/2.8. Later versions are 17-70/2.8-4.0
>>>>>> (notice faster long end of the zoom range) and further introduced HSM
>>>>>> (Sigma's ultrasonic AF) and OS (Optical image Stabilization). I opted
>>>>>> out of these as I wanted something as simple as possible so that it
>>>>>> won't break down just because.
>>>>>>
>>>>>> Optically I've no complaints at all. It just what suits me best right
>>>>>> now if and when I have to shoot with DSLR.
>>>>>>
>>>>>> On Tue, Jul 23, 2013 at 2:40 PM, David J Brooks <[email protected]>
>>>>>> wrote:
>>>>>>>  Hey all.
>>>>>>>
>>>>>>>  This last week at the plow demo got me thinking again about my short
>>>>>>>  zoom, the 16-45. Normally i take two cameras, the D2H with re 70-200
>>>>>>>  VR f2.8 and the D200 with the 18-70. I use the 18-70 for the closer
>>>>>>>  shots when the teams come at me. This year i took the K-5 and used the
>>>>>>>  16-45. It performed fine, but at 45 at the long end just does not get
>>>>>>>  what i want before i switch back to the longer zoom.
>>>>>>>
>>>>>>>  So
>>>>>>>
>>>>>>>
>>>>>>>  Im thinking something along the lines of the Pentax or Sigma 17-70 ish
>>>>>>>  lenses, and i think i saw on  Henrys site an 18-135???
>>>>>>>
>>>>>>>  I know these have come up before just looking for opinions.
>>>>>>>
>>>>>>>  Also the 55-30 is still on my list, although the sales person at
>>>>>>>  Henreys showed me the Sigma version, a bit cheaper and now i'm humming
>>>>>>>  on that one.
>>>>>>>
>>>>>>>  Comments about the short zooms or the Sigma 55-300 appreciated,
>>>>>>>
>>>>>>>  Dave
>>>>>>>
>>>>>>>  --
>>>>>>>  Documenting Life in Rural Ontario.
>>>>>>>  www.caughtinmotion.com
>>>>>>>  http://brooksinthecountry.blogspot.com/
>>>>>>>  York Region, Ontario, Canada
>>>>>>>
>>>>>>>  --
>>>>>>>  PDML Pentax-Discuss Mail List
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>>>>>> follow the directions.
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Boris
>>>>>>
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>>>>>
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>>>>
>>>>
>>>> --
>>>> Boris
>>>>
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>>>
>>>
>>>
>>> --
>>> Documenting Life in Rural Ontario.
>>> www.caughtinmotion.com
>>> http://brooksinthecountry.blogspot.com/
>>> York Region, Ontario, Canada
>>>
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>>
>>
>> --
>> Boris
>>
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-- 
Boris

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