Tag Archives: aliasing

Flicker, jaggies and moire in down converted 4K.

I kind of feel like we have been here once before. That’s probably because we have and I wrote about it first time around. A typical video camera has a special filter in it called an optical low pass filter … Continue reading

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C300 Moiré

The C300 is not Moiré free as can be seen from this blown up section of a frame grab. Once again it’s fine brickwork thats causing the problem. Now before everyone runs off in a panic, lets put this into … Continue reading

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Getting good SD from an HD camera.

This a recurring question that I get asked about time and time again. The main problem being that the SD pictures, shot with an HD camera look soft. So why is this and what can be done about it? Well … Continue reading

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PMW-F3 and EX1R aliasing comparison.

Here is a roughly done (sorry) comparison of the aliasing from an EX1R at the bottom and my F3 at the top. The F3 had a Nikon 18-135mm zoom, both cameras were set to default settings, 25P. The F3 clearly … Continue reading

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PMW-F3 Aliasing and Moire.

I’ve been testing and playing with my F3 and first off let me say this… I love this camera, it produces amazing images and I can play with lots of lenses! But, it’s not all roses. The F3 suffers from … Continue reading

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Canon T2i, first impressions, initial tests (frame grabs and video supplied).

As you may have seen from my earlier post I became the owner of the new Canon T2i (or 550D as it’s known in the UK) at the weekend. Clearly before using any camera in anger it’s important to see … Continue reading

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Canon T2i, first impressions, initial tests (frame grabs and video supplied).

As you may have seen from my earlier post I became the owner of the new Canon T2i (or 550D as it’s known in the UK) at the weekend. Clearly before using any camera in anger it’s important to see … Continue reading

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Getting SD from HD and the problems of oversampling.

Ever since the release of the XDCAM EX cameras users have been having problems getting good looking SD pictures out of downconverted HD.?Why is this and what can be done about it? This is an issue that effects all high … Continue reading

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