Impressive.
Chuck Norcutt
C.H.Ling wrote:
> We are taking about the resolution of 90/2 at F22 should be close to 4MP
> only. And this is a 10MP image of same subject and similar FOV (actually
> favour to the 10MP image as I should have used a 45mm lens).
>
> C.H.Ling
>
> ----- Original Message -----
> From: "Chuck Norcutt"
>
>> Hmmm. You're quite right. The now famous vent fan louvers are nowhere
>> near being resolved in either image. But I've forgotten now what we
>> were originally comparing. The 90/2 was in there somewhere. Are we
>> comparing apples and oranges due to different focal lengths?
>>
>> Chuck Norcutt
>>
>> C.H.Ling wrote:
>>> I just avoid mentioning it, but as you have asked.... this is the best
>>> image
>>> I got with a fixed 50mm lens (I didn't test the 50/1.4 at F4 or below),
>>> it
>>> is...
>>>
>>> Even better than the famous 50/2 macro at F4 (and this macro is like
>>> new):
>>>
>>> http://www.accura.com.hk/temp/50M2F4.jpg
>>>
>>> May be the 50/3.5 at F5.6 come close:
>>>
>>> http://www.accura.com.hk/temp/5035F56.jpg
>>>
>>> BTW, I found most fixed Zuiko reach its max performance at 2 stops from
>>> max
>>> aperture. Further stop down does not improve much.
>>>
>>> C.H.Ling
>>>
>>> ----- Original Message -----
>>> From: "Chuck Norcutt"
>>>
>>>> Why do I have to blame the camera? Why can't I blame the lens
>>>> performance at f/2.8?
>>>>
>>>> Chuck Noructt
>>>>
>>>> C.H.Ling wrote:
>>>>> To add more fun to the discussion, here is a shot with 50/1.4 at F2.8
>>>>> on
>>>>> E-3.
>>>>>
>>>>> E-3 RAW converted with Oly RAW, sharpness -2, NR: off
>>>>>
>>>>> http://www.accura.com.hk/temp/50mmF28.jpg
>>>>>
>>>>> The 90/2 at F22 shot still look better. Ok, you can blame the strong AA
>>>>> filter on E-3 :-)
>>>>>
>>>>> C.H.Ling
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Moose"
>>>>>
>>>>>>> But why have a 21MP camera if your happy with 4?
>>>>>> I'm not quite convinced that the theoretical charts agree with
>>>>>> practical
>>>>>> experience. The subjects are complex, the lenses are complex and the
>>>>>> releation of lens to sensor still a bit murky. I've done tests where
>>>>>> more MPs in the same size actually resolve less than fewer.
>>>>>>
>>>>>> While the theory is generally correct, I'm not sure it plays out that
>>>>>> simply in practice. C.H.'s f22 image lookslmore like 6+ MP to me than
>>>>>> 4.
>>
>
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