Tag Archives: S-Log

Convergent Design Gemini throws up a ProRes Issue. NOT THE PROBLEM I THOUGHT IT IS

OK, I wrote about this without digging deep enough. If you read the original article I claimed that ProRes was clipping my files at 104%. Well it’s NOT. The ProRes files are just fine, BUT some Quick Time applications are … Continue reading

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EI S-Log. What’s different?

You may have seen that Sony are releasing a free firmware update in the next week or so for the PMW-F3 that incorporates a new version of S-Log. You will still need to have purchased the S-Log upgrade in order … Continue reading

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You may have seen that Sony are releasing a free firmware update in the next week or so for the PMW-F3 that incorporates a new version of S-Log. You will still need to have purchased the S-Log upgrade in order … Continue reading

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Convergent design Gemini S-Log frame grabs.

Hi all. A very brief post as I’ve just got back to the hotel from a long day at Broadcast India. I finally found a little bit of time to upload a couple of quick frame grabs from the Gemini. … Continue reading

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Convergent Gemini first shoot.

Well I’ve been out and shot a few short clips with the Gemini just to shake it down before I fly to Mumbai in the morning. It works well, even though the firmware is a very early development issue. First … Continue reading

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Exposing when shooting S-Log.

The question over whether to deliberately underexpose or not with S-Log came up recently. I believe that you need to evaluate the entire scene when shooting S-Log and that the often heard “underexpose by a stop” methodology may have some … Continue reading

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S-Log. A Further In Depth Look.

Well I posted here a few days ago about how Data was distributed across the S-Log curve. David williams (thanks David) questioned some of the things in my post raising some valid questions over it’s accuracy, so I withdrew the … Continue reading

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More on S-Log and Gamma Curves

A lot of the issues with any camera and the dynamic range it can record are not due to limitations of the cameras hardware but to retain compatibility with existing display technologies, in particular the good old fashioned TV set … Continue reading

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Understanding Gamma, Cinegamma, Hypergamma and S-Log

The graph to the left shows and idealised, normal gamma curve for a video production chain. The main thing to observe is that the curve is in fact pretty close to a straight line (actual gamma curves are very gentle, … Continue reading

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Understanding Gamma, Cinegamma, Hypergamma and S-Log

The graph to the left shows and idealised, normal gamma curve for a video production chain. The main thing to observe is that the curve is in fact pretty close to a straight line (actual gamma curves are very gentle, … Continue reading

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