Olympus-OM
[Top] [All Lists]

[OM] Re: Telecentricity

Subject: [OM] Re: Telecentricity
From: alfredo pagliano <alfredo_pag@xxxxxxxx>
Date: Wed, 24 Aug 2005 19:30:22 +0200
DiZeta, in Italian...

Alfredo

On Aug 24, 2005, at 4:16 PM, Walt Wayman wrote:

> The rear element of the 14-54 is about 19mm.
>
> Sorry, but I can provide no further data, bring poor and having no 
> other DZs.  (Should we pronounce that "disease" or "dizzies"?)
>
> Walt
>
> --
> "Anything more than 500 yards from
> the car just isn't photogenic." --
> Edward Weston
>
>  -------------- Original message ----------------------
> From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
>> Walt Wayman wrote:
>>
>>> A quick measurement with an old plastic ruler shows the rear element 
>>> of the
>> LWMNBN to be just about 14mm in diameter.  That somehow seems 
>> appropriate, I
>> suppose.  There's a certain symmetry there.
>>>
>>> Walt
>>>
>>> --
>>> "Anything more than 500 yards from
>>> the car just isn't photogenic." --
>>> Edward Weston
>>>
>>>  -------------- Original message ----------------------
>>> From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
>>>
>>>> According to Oly a telecentric lens requires a large diameter mount
>>>> compared to the size of the sensor.  They made a big point about 
>>>> the (OM
>>>> size) mount on the E-1 being twice the width of the sensor.
>> -----------------------------------------
>>
>> OK, where's the beef, Oly?  I just picked up and measured my 50/1.4
>> (random grab) and find that its rear element is about 30mm diameter.
>> Can't be a problem of physically fitting large rear elements into the
>> confines of the mount diamter.
>>
>> Chuck Norcutt
>>
> ==============================================
> List usage info:     http://www.zuikoholic.com
> List nannies:        olympusadmin@xxxxxxxxxx
> ==============================================
>


        

        
                
___________________________________ 
Yahoo! Mail: gratis 1GB per i messaggi e allegati da 10MB 
http://mail.yahoo.it

==============================================
List usage info:     http://www.zuikoholic.com
List nannies:        olympusadmin@xxxxxxxxxx
==============================================

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz