Tag Archives: gamma

S-Log on a non S-Log PMW-F3 and Log on an EX1/EX3

Note: There is something up with the frame grabs. For some reason they are very dark. I’ll look into this in the morning and get some more accurate grabs online. First of all let me say thanks to Ben Allan … Continue reading

Posted in Uncategorized | Tagged , , , , , , | 13 Comments

EX1 and EX3 Picture Profiles.

These are the picture profiles that I am currently tending to favour for the EX1, EX1R and EX3. Please remember that picture profiles are entirely subjective. These settings work for me, that doesn’t mean they are perfect or for everyone. … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , , | 93 Comments

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

Posted in Uncategorized | Tagged , , , , , | 3 Comments

PMW F3 Picture Profile Smorgasbord.

I’ve been working some more on picture profiles for the PMW-F3, mainly matrix settings. You can download the full set by clicking here: ac-profiles. Download the zip file, unzip and place the “Sony” folder in the root of an SxS card … Continue reading

Posted in Uncategorized | Tagged , , , , , | 26 Comments

PMW-F3 Picture Profiles. First Batch.

OK here we go. Here are some notes from testing my PMW-F3. First thing is… aliasing… a zone plate looks pretty bad with a fair amount of aliasing. I had heard rumours of this from others with pre-production units, but … Continue reading

Posted in Uncategorized | Tagged , , , , , , | 3 Comments

When should I use a Cinegamma or Hypergamma?

Cinegammas are designed to be graded. The shape of the curve with steadily increasing compression from around 65-70% upwards tends to lead to a flat looking image, but maximises the cameras latitude (although similar can be achieved with a standard … Continue reading

Posted in Uncategorized | Tagged , , , , | 10 Comments

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

Posted in Uncategorized | Tagged , , , , , | 6 Comments

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

Posted in Uncategorized | Tagged , , , , , | Leave a comment

Shooting Snow and other bright scenes.

Well winter is upon us. The north of the UK is seeing some pretty heavy snow fall and it’s due to spread south through the week. I regularly make trips to Norway and Iceland in the winter to shoot the … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , | 3 Comments

S-Log or Hypergamma with the PMW-F3

The new Sony PMW-F3 can record using normal standard gammas and hypergammas, which compress highlights and increase the dynamic range to 460% and S-Log which is, as it’s name suggests an “S” shaped logarithmic gamma curve that compresses both highlights … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment