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Member Since 16 Oct 2005
Offline Last Active Yesterday, 08:05 PM

Posts I've Made

In Topic: Nikon 8-15mm in the house!

19 June 2017 - 05:44 PM


it would be nice to know the nodal point


Is there any specific way of calculating this, or is to just trial and error?


This may provide some insight on to determine nodal point.  I used the laser pointer method on a lens many years ago and it gave a good result compared to the published data:



In Topic: Stuck pixels wrecking video

05 May 2017 - 10:14 PM

For those wondering whether Lightroom automatically maps out dead pixels, I just came across this in Adobe Photoshop Lightroom CC/6

The Missing FAQ by Victoria Bampton:


If you’re wondering where
your hot pixels on your
camera’s sensor have gone,
Lightroom automatically
maps out hot pixels, as does
ACR, but it only works on
standard raw or mosaic DNG

files, not sRAW. 

In Topic: Stuck pixels wrecking video

01 May 2017 - 01:43 PM

Thanks Gudge. Have you used any of these techniques?


No, I only shoot stills but I do like to find solutions to intriguing problems.

In Topic: Stuck pixels wrecking video

30 April 2017 - 05:05 PM

This may help explain what's happening:



In Topic: Nauticam Flip Diopter holder problems

25 April 2017 - 01:48 PM

This has happened several times with mine when I was in Bali three years ago.  I had to completely disassemble it, clean it an put it back together.  I have been very careful to not let the hinge get anywhere near the sand since then.