I'm not sure the chroma you mean is color reflection or really problem of
the lens. I usually don't look at the out focus area. I mainly care about
purple fringe which usually found on bright reflection area, subjects with
sky as background and high color temp. light source.
C.H.Ling
----- Original Message -----
From: "Chuck Norcutt"
> In the first image check the top edge of the large branch and buds 1/3
> of the way down on the right side. On the second image I see faint
> chroma or purple fringing on the underside of the branch on either side
> of the flower.
>
> Chuck Norcutt
>
> C.H.Ling wrote:
>> Interesting, I can't find any chroma on the first shot but on the bird
>> shot,
>> I see a little purple fringe on the left side especially the top left
>> petal.
>> For the aperture, I can't remember very well but most likely both are at
>> F5.6.
>>
>> C.H.Ling
>>
>> ----- Original Message -----
>> From: "Chuck Norcutt"
>>
>>> You couldn't ask for better detail in the bird. I can clearly see the
>>> chroma in the first image but it's much less prominent in the second.
>>> What's the difference? Aperture?
>>>
>>> Chuck Norcutt
>>>
>>> C.H.Ling wrote:
>>>> Ok, even I had some complain on the CA, the 300/4.5 is still an
>>>> indispensable lens for me, I support about Ken's opinion, here are two
>>>> shots
>>>> taken with the lens early last year on an OM-40D body at F5.6.
>>>>
>>>> This one shows the bokeh:
>>>>
>>>> http://www.accura.com.hk/temp/IMG_1009.jpg
>>>>
>>>> This one shows the details resolved:
>>>>
>>>> http://www.accura.com.hk/temp/IMG_1017.jpg
>>>>
>>>> Of course I expect it will work even better on a FF OM-5D II body :-)
>>>>
>>>> C.H.Ling
>>
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