My Vivitar S1 600mm solid cat seems, to me at least to lack contrast,
but is also very sharp. This can often be easily "fixed" in Photoshop,
though in certain circumstances the the donut bokeh is a bit disturbing.
Mark Roberts wrote:
> William Robb wrote:
>
>
>> From: ".timber>>code"
>>
>>
>>> Depends how you define sharp :D Mirror bokeh is fine with me :D I like
>>> donuts!
>>>
>> Sharp is defined as having high resolution.
>>
>
> "sharpness" is really a combination of resolution and acutance.
>
>
>
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