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peterbkk

Member Since 25 May 2005
Offline Last Active May 20 2015 09:27 PM
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Posts I've Made

In Topic: A Touch of Bali

19 May 2015 - 04:54 PM

Nice one Mike.
 
Some think that YouTube is currently giving better quality than Vimeo.


Hmmmmm. After reading your post here, I went and watched one of my videos on Vimeo. http://www.peterwalker.com/komodo.html

To me it appears to now have more compression artifacts than it used to when I first uploaded in mid-2014. Maybe it's my imagination but it does look like Vimeo either re-compressed it or their viewing engine is squeezing it on the fly to reduce bandwidth. It's not terrible and, IMHO, still slightly better than YouTube. But not as good as it used to be and not as good as I'd like it to be.

Regards
Peter

In Topic: A Touch of Bali

18 May 2015 - 12:45 PM

Some interesting critters. Thanks for sharing.

Unfortunately YouTube compression spoils it in some places.

Regards
Peter

In Topic: Fish eye or rectilinear for filming?

18 May 2015 - 12:38 PM

I think rectilinear looks better for panning shots as you don't have the visible "bending" of the image that you get with a fish-eye.

However, a fish-eye is great for close-up wide-angle shots.

If there's a crop factor with the sensor, then there's not much difference between the two.

As always, it's a matter of personal preference.

regards
Peter

In Topic: Nauticam Shogun Housing is here

15 May 2015 - 03:40 PM

 
Wetpixel members are smart enough to see with their own eyes to determind whether a codec is good for 4K or not, they certainly don't need to be told what to believe!

Hi A.Y.,

Well said. You are right. I'm increasingly frustrated by some people in this forum who post opinions that are not based on experience or knowledge.

You know, when I first started learning and sharing on WetPixel Video a few years ago, we had many active members with deep experience and knowledge. I got some great advice. But most of those people are now gone. Why? Well, I have only discussed it with a couple of those departed people and they both said the same thing. They got pissed off by some of the newer members who have opinions but no experience or knowledge; People who just read something on the Internet and regurgitate it here. We see some examples in this thread. Sometimes I think it's going to drive me away too.

I urge everyone who posts here to think carefully before you post opinions, suppositions and unverified information. Do you really know something for a fact. Or just read it. It's OK to have opinions or even regurgitate what you've read. But declare it. Like, "I don't know for sure but I wonder if ..." Or, "I read this story by Xxxxxxx on website Yyyyyyyy and he said ..."

Think before you post.

Regards
Peter

In Topic: Nauticam Shogun Housing is here

12 May 2015 - 03:21 PM

How do you go about operating the camera controls on the rear of the GH4 housing Peter (iso, WB up etc)?  Do you have to raise the Shogun housing to access them, or are those functions transferred to the Shogun?



The controls that are used regularly during the dive, like start-stop, auto-focus-lock, aperture, shutter speed, WB are all accessible without taking the right hand off the handle. Checking focus, exposure and color qualities now are done visually on the huge Shogun monitor.

The controls on the rear of the NA GH4 housing, like menu and the four-way dial, can be reached with the Shogun housing in the "line astern" position as there is plenty of space between the back of the GH4 housing and the front of the Shogun housing. I can easily put my gloved fingers between the two housings.

However, if you need to see the GH4 monitor, you have two choices. You can peer over the top of the Shogun housing and see the GH4 monitor from above. This should be OK for confirming the settings that you are changing, like ISO or WB. Or you can quickly flip the Shogun housing up to look directly at the GH4 screen. You might need to do this if you are going into the GH4 menus (which I never do underwater)

In practice, I don't expect to ever need to flip the Shogun housing up while underwater. I don't change ISO often - nearly always on 200. I might change WB a few times during a dive but I have my usual WB settings preset into the 4 slots so it's easy to pull the WB lever with the right index finger and press the right-most 4-way button to step through the WB presets. You can see if you have reached the best WB preset by looking at the colors on the Shogun monitor.

I also use the 3 custom settings to move between 3 preset parameters - a good way to go back to a known starting position if you've changed controls. For example, if I've been shooting in open greenish water and made some adjustments to a few settings and then I pop into a small cave lit only by my video lights, twisting the mode dial on the top of the housing, one click forward then one click back, I'm immediately back at ISO 200 and WB Auto and SS 1/50s, etc.

So, I'm quite confident that I can easily and quickly change what I need to change but let's see how it works out in practice...

Regards
Peter