Re: Does MF color slides scanning in 24 bit still make sense today?
Re: Does MF color slides scanning in 24 bit still make sense today?
- Subject: Re: Does MF color slides scanning in 24 bit still make sense today?
- From: MARK SEGAL <email@hidden>
- Date: Wed, 13 Jan 2016 14:09:34 +0000 (UTC)
The large increase of colour gamut alone would make this worthwhile for photos that can benefit from gamut representation larger than sRGB, quite apart from the question of gradiants. Of course doing this with a camera limits you to the native pixel count of the sensor; this may be fine depending on how much stitching you are prepared to do and what size prints you want to make. You also need a high enough quality of lens to produce edge to edge sharpness unless you intend to do a lot of stitching, and you need to provide for accurate focus (depth of field is extremely narrow) and totally accurate alignment between the media and the sensor plane (ZigAlign is excellent for this). As well, the quality and evenness of the lighting under the media matters to the accuracy of the captures. These are things that a good scanner looks after sui generis, but one needs to be explicitly aware of using a camera. BTW, recent stitching work I have done in both LR and PSCS (latest versions of both) indicate to me that while LR is quite good, PSCS can do a more accurate job, with more tools for fixing tiny mismatches.
Mark
From: Paul Schilliger <email@hidden>
To: email@hidden
Sent: Wednesday, January 13, 2016 7:01 AM
Subject: Does MF color slides scanning in 24 bit still make sense today?
Hi,
I am trying to make up my mind as if I should still use my scans made on a Scitex Eversmart limited to 24 bit output sRGB (not supported by the more recent software). Besides, I have done RAW processing from digital cameras for years, and the almost infinite gradient gives way more post processing options and richer results, at least on screen. I am now tempted to digitalize my slides again with the camera instead (currently Sony A7R, with stitching in LR I have most accessories needed). Do you think that the visible gain on Epson Ultrachrome prints for instance is worth a try? I am set on not investing on another scanner. Thanks for your feedback!
Best regards
Paul Schilliger
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