Archived posting to the Leica Users Group, 2008/02/28

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Subject: [Leica] collapsible lenses on the M8...?
From: kididdoc at cox.net (Steve Barbour)
Date: Thu Feb 28 13:37:46 2008
References: <E3E690CA-5899-4362-A8D8-5ED578CF207C@cox.net> <p06230901c3eb5fb35f64@[10.1.16.131]> <F116E9DA-5B01-4B38-AC98-DBDABD0F6793@cox.net> <p06230903c3eb8d901f3f@[10.1.16.131]> <20080227235620.GB1232@panix.com> <p06230906c3ec8a67509f@[10.1.16.131]> <63D511A5-F2F8-442B-883D-4406DDFB85BF@comcast.net> <20080228204250.GB17336@panix.com>

On Feb 28, 2008, at 1:42 PM, Rei Shinozuka wrote:

> i have to wonder if there was some other reason besides physical
> clearance why Leica so strongly dissuades the use of collapsible
> lenses on the M8.
>
> as evidenced on page 86 of the manual under the section Leica M  
> Lenses:
> Important:
>
>  * Can be used, but risks damaging the camera
>
>    Lenses with retractible tubes can only be used WITH THEIR
>    TUBES EXTENDED i.e., their tubes must NEVER be
>    retracted into the LEICA M8.

my concerns too...   is clearance the only issue?


what happens if you inadvertantly push the shutter release button,  
with a (some/any)  collapsible collapsed?


Steve


>
>
>    This is *not* the case with the current Macro-Elmar-M
>    90mm f/4, whose tube does not protrude into the
>    camera body even when retracted.  It can therefore be used
>    without any restrictions.
>
> (the all-caps words are their italic emphasis)
>
> -rei
>
>
> On Feb28 12:24, Leonard Taupier wrote:
>> I'm pretty sure Henning and certainly Jeffrey have more collapsible
>> lenses then I do but here are the lenses that I have that are fine
>> when collapsed in the M8.
>>
>> LTM 5cm/3.5 Elmar (made in 1946) this has the longest recess but
>> still clears.
>> LTM 50mm /2 Summicron (1955)
>> LTM 50mm/ 2 Summitar (1949)
>> LTM 5cm/2 Summar (1937)
>> M 50mm/2 Summicron (1954)
>> M 90mm/4 micro-Elmar (current model)
>>
>> Len
>>
>>
>> On Feb 28, 2008, at 10:59 AM, Henning Wulff wrote:
>>
>>>> the old 50 summicron collapsible does.
>>>>
>>>> -rei
>>>>
>>>> On Feb27 14:01, Henning Wulff wrote:
>>>>> At 12:45 PM -0700 2/27/08, Steve Barbour wrote:
>>>>>> On Feb 27, 2008, at 11:43 AM, Henning Wulff wrote:
>>>>>>
>>>>>>>> Anyone out there using collapsible lenses on their M8, like me?
>>>>>>>>
>>>>>>>> so what do you use to keep them from collapsing?
>>>>>>>>
>>>>>>>> Yeah, yeah....I know, rubber bands...so what else is out there
>>>>>>>> that will work,
>>>>>>>>
>>>>>>>> and guarantee that they won't collapse,  and screw the pooch?
>>>>>>>>
>>>>>>>>
>>>>>>>> Anything?
>>>>>>>>
>>>>>>>>
>>>>>>>> thanks, Steve
>>>>>>>>
>>>>>>>
>>>>>>> Just let them collapse. The only one that _might_ have a problem
>>>>>>> is the 90/4 (I haven't tried that). All the others are fine.
>>>>>>
>>>>>>
>>>>>> no kidding Henning... !  We are under the false ! impression
>>>>>> (created by Leica) that you can't use collapsibles on the M8....
>>>>>>
>>>>>>
>>>>>> thanks, Steve
>>>>>
>>>>> Hi Steve,
>>>>>
>>>>> I checked clearances early on, and the only lens I have that I
>>>>> wouldn't put on the M8 is my Hologon. Even the old collapsible
>>>>> Nickel
>>>>> Elmar I tried recently can be collapsed and still have about 4mm
>>>>> clearance. The 2.8 Elmars and f/2 lenses don't collapse as much,  
>>>>> so
>>>>> there is even more clearance from the shutter.
>>>>>
>>>>>
>>>
>>>
>>> Hi Rei,
>>>
>>> I'm not sure I understand what you're saying.
>>>
>>> The old Summicron does what? Collapse as much as the Nickel Elmar?
>>> I don't think so; the travel of the barrel into the body is less.
>>> In any case, there is no problem collapsing the lens into the M8.
>>>
>>> Regards,
>>>
>>> Henning
>>>
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>
>>
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>
> -- 
> Rei Shinozuka shino@panix.com
> Ridgewood, New Jersey
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information

with warm regards,  Steve Barbour

"I never wanted to be famous" will be published soon.

kididdoc@cox.net











Replies: Reply from henningw at archiphoto.com (Henning Wulff) ([Leica] collapsible lenses on the M8...?)
In reply to: Message from kididdoc at cox.net (Steve Barbour) ([Leica] collapsible lenses on the M8...?)
Message from henningw at archiphoto.com (Henning Wulff) ([Leica] collapsible lenses on the M8...?)
Message from kididdoc at cox.net (Steve Barbour) ([Leica] collapsible lenses on the M8...?)
Message from henningw at archiphoto.com (Henning Wulff) ([Leica] collapsible lenses on the M8...?)
Message from shino at panix.com (Rei Shinozuka) ([Leica] collapsible lenses on the M8...?)
Message from henningw at archiphoto.com (Henning Wulff) ([Leica] collapsible lenses on the M8...?)
Message from len-1 at comcast.net (Leonard Taupier) ([Leica] collapsible lenses on the M8...?)
Message from shino at panix.com (Rei Shinozuka) ([Leica] collapsible lenses on the M8...?)