Well, blast! Why didn't they make it 12-150? That's what I need.
Chuck Norcutt
On 3/8/2013 6:07 PM, John Hermanson wrote:
> A customer (whose FT I was repairing) asked what f stops the numbers
> referred to. I am referring him to the pdf of the Pen FT manual and let
> him take it from there. he may just flip the f stop ring around and use
> his handheld.
>
> BTW, I saw a sample of the Tamron 14-150mm zoom they are making for
> m4/3. From at least the zoom ring back to the mount is all metal
> construction. The zoom action is super smooth and "light".
>
> ___________________________________
> John Hermanson | CPS, Inc.
> 21 South Ln., Huntington NY 11743
> 631-424-2121 | www.zuiko.com
> Olympus OM Service since 1977
> Gallery: www.zuiko.com/album/index.html
>
> On 3/8/2013 7:59 AM, Chuck Norcutt wrote:
>> Are you going to tell us why you needed to know?
>>
>> Chuck Norcutt
>>
>>
>> On 3/7/2013 6:00 PM, John Hermanson wrote:
>>> Thank you to everyone who helped on this.
>>>
>>> ___________________________________
>>> John Hermanson | CPS, Inc.
>>> 21 South Ln., Huntington NY 11743
>>> 631-424-2121 | www.zuiko.com
>>> Olympus OM Service since 1977
>>> Gallery: www.zuiko.com/album/index.html
>>>
>>> On 3/3/2013 2:46 PM, Frank Wijsmuller wrote:
>>>> For visual proof of Chuck en my remarks look at the front page of this
>>>> brochure... <http://www.skipwilliams.com/olympus/pen-lit/o-penft-1067.pdf>
>>>> Clearly visible is the 0.5 minimum number of the 50-90mm lens.
>>>> I'd guess it has something to do with the image circle of the lens and/or
>>>> the non linearity of the light meter (it looks special).
>>>> Best, Frank
>>>>
>>>>
>>>>
>>>>
>>>> 2013/3/3 Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
>>>>
>>>>> But if you look at the detail given on the lens list 0 represents max
>>>>> aperture on only about half of the lenses. Some have max aperture = 0.5
>>>>> or 1.0.
>>>>>
>>>>> Chuck Norcutt
>>>>>
>>>>>
>>>>> On 3/3/2013 12:56 PM, John Hermanson wrote:
>>>>>> According to the Pen FT owners manual I found on line, "0" on the Pen
>>>>>> scale coincides with whatever the maximum aperture of the lens in use
>>>>>> happens to be. 38mm f1.8, "0" = 1.8, 100-200mm f5 zoom, "0" = f5.
>>>>>>
>>>>>> ___________________________________
>>>>>> John Hermanson | CPS, Inc.
>>>>>> 21 South Ln., Huntington NY 11743
>>>>>> 631-424-2121 | www.zuiko.com
>>>>>> Olympus OM Service since 1977
>>>>>> Gallery: www.zuiko.com/album/index.html
>>>>>>
>>>>>> On 3/2/2013 4:51 PM, Frank Wijsmuller wrote:
>>>>>>> Hi Chuck,
>>>>>>> is this the brochure you read?
>>>>>>> <http://www.skipwilliams.com/olympus/pen-lit/o-penft-1067.pdf>
>>>>>>> A nice one anyway.
>>>>>>> Best, Frank.
>>>>>>>
>>>>>>> 2013/3/2 Chuck Norcutt
>>>>>>>
>>>>>>>> I've never had a Pen before and knew nothing of this non-f/stop
>>>>>>>> numbering system until I just looked it up in an Olympus Pen-FT
>>>>>>>> brochure.
>>>>>>
>>>>> --
>>>>> _________________________________________________________________
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>>>>>
>>>>>
>>>
>
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