That should have said: (see image A at 100%, THE shape of the heads of
the group of children in the foreground AT LEFT)
Chuck Norcutt
Chuck Norcutt wrote:
> I agree. B is the Portra scan and A is from the E-510 and 14-54.
> Ignoring Nathan's practical comments about which picture the mothers
> will prefer and dealing only with technical image quality issues:
> A is to be preferred for sharpness and saturation. I think B is
> undersaturated relative to the original scene but nevertheless probably
> closer to the original... which is what Portra NC attempts to do. A
> (the 14-54) still shows some distortion not shown by the 50mm Mamiya
> (see image A at 100%, shape of the heads of the group of children in the
> foreground). The 50mm did a better job in that respect but PTLens could
> probably improve the 14-54 shot with a proper profile. B is not only
> undersaturated but under sharpened. The image improves considerably
> after applying some LCE and more sharpening. I think the Portra shot
> could be made to at least equal the 510 shot (if not surpass it) with an
> improved scan (on the same scanner) and post processing.
>
> But it does make you wonder why one would haul around an RB-67 and go to
> all this labor and expense when (for modest size prints at least) one
> gets a very good result nearly straight out of the 510 and at far lower
> cost.
>
> Chuck Norcutt
>
>
> James R wrote:
>> B is definitely the scan - the colours are a bit off, especially the
>> reds, and it reminds me of how frustrating scanning is. Does Vuescan
>> still have all those weird film types and none of the ones that you
>> might actually use?
>>
>> A looks better but, ignoring the limited attention of the subjects, I
>> wonder if the same would be true if you looked at a print from the neg?
>>
>> James
>>
>> On 1 Nov 2008, at 05:13, Wayne Harridge wrote:
>>
>>> http://lrh.structuregraphs.com/images/group-a.jpg
>>>
>>> http://lrh.structuregraphs.com/images/group-b.jpg
>>>
>>>
>>> One of these images:
>>>
>>> Olympus E-510, 14-42mm @14mm, ISO 400, 1/125, f8
>>>
>>> the other:
>>>
>>> Mamiya RB-67 Pro-S, 50mm, Portra 400NC, 1/125, f8, scanned (vuescan)
>>> @2400dpi on Epson V700, some adjustment to colour balance & contrast.
>>>
>>> Both images had perspective correction as I was shooting from the
>>> top of a
>>> 2m step ladder, cropping, resize to 2400 wide and same basic
>>> sharpening
>>> before uploading to the site.
>>>
>>> Ok, so which image is E-510 ?
>>> Which one do you prefer ? (whatever your criteria happens to be)
>>> Why ?
>>>
>>> ...Wayne
>>>
>>>
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