Optical Science
Pushing Resolution – The Path Toward 4k and 8k Video.
Resolution is a double-edged sword. It makes our pictures clearer, more useful, and helps make them as “future-proof” as possible. But it also puts significant demand on our hardware systems in terms of processing power and storage. At NAB 2013, the floor was buzzing with talk of 4k and even 8k resolution workflows, essentially handling Read More
Everything you ever wanted to know about HFR and The Hobbit
This article was originally published on Tim Dashwood’s blog and is reprinted here with his kind permission. The Hobbit has finally been released in 2D and 3D at the traditional 24 frames per second (fps) as well as 3D High Frame Rate (HFR) at 48 fps. If the posts on social media are a fair Read More
Digital SLR Cameras – What’s New for Surveillance Photography
This white paper is provided to DV Info Net courtesy of Sofradir EC, Inc., formerly Electrophysics, a leading developer of advanced high performance infrared cameras, portable thermography systems and advanced night vision imaging solutions. It’s been remarkable to witness the evolution of the SLR camera, first as a sophisticated film camera, and now as a Read More
Understanding Gamma, CineGamma, HyperGamma and S-Log
Note: This article was originally published by Alister Chapmanand is reprinted here with his kind permission. The graph to the left shows an 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 Read More
Canon Inc. shows UHD at Canon Expo
Canon Inc. shows working Ultra-High Definition concept pieces including compact 4K video cameras, an 8K broadcast UHD television lens and 2K and 4K video display monitors at their quinquennial Canon Expo 2010 event this week in New York. Canon Inc., parent company of Canon USA and headquartered in Tokyo, is demonstrating several examples of Ultra-High Read More
Digital SLR Cameras – What’s New for Military Photography
This white paper is provided to DV Info Net courtesy of Electrophysics Corporation, a leading developer of advanced high performance infrared cameras, portable thermography systems and advanced night vision imaging solutions. It’s been remarkable to witness the evolution of the SLR (Single Lens Reflex) camera, first as a film camera marveled by all for many Read More
A Beginner’s Guide to Shooting Stereoscopic 3D
This article was Originally published in FCPUG Supermag #4 (April 2010) and on Dashwood3D.com Updated and Revised September 2011. All images ©Tim Dashwood unless otherwise specified. 3D is back in style again and it seems like everyone, from Hollywood producers to wedding videographers, is interested in producting stereoscopic 3D content. So how can you get involved Read More
The Ultimate Depth-of-Field Skinny
Arguably, more has been written about Depth of Field (DoF) on the DV Info Net Comunity than any other discussion topic. This is my attempt to provide the ultimate discourse and treatment of the subject. By posting all of the variables and examples in one place, novices and old hands can benefit and apply the newly gained knowledge in the field.
Camcorder Lens Defects Explained
Here are the ten optical defects and what the camera operator can and cannot do to correct the defect.
