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TomekP

Member Since 13 Jan 2014
Offline Last Active Mar 26 2015 09:27 AM
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Posts I've Made

In Topic: A6000 doesn't let you set shutter speed higher than 1/160 > When b.i...

26 March 2015 - 02:14 AM

 

BTW I discovered that if you add hot shoe adaptor >> you might trick the camera to let you use any shutter speed you want
 

For macro there is no sense to use higher speed. 

 

This is perfect explanation given by Aquapaul

"The way I see it is that if you are using a strobe to light the scene the shutter speed is nearly irrelevant, think shutter speed to control ambient light and aperture to control the amount of light from the strobe. If you want to shoot f/27 you are going to need a lot of light and it wouldn't matter what the shutter speed was, 1/60 would give the same result as 1/4000 because the flash duration is short, shorter the 1/4000."

 

 

I have adaptor for flash and If I will apply time faster than 1/200 then I  will  see the edges of the shutter on the image, so there is really no sense.

RX100 has smaller sensor so it can accept faster shutter speed.

 

 

The way I see it is that if you are using a strobe to light the scene the shutter speed is nearly irrelevant, think shutter speed to control ambient light and aperture to control the amount of light from the strobe. If you want to shoot f/27 you are going to need a lot of light and it wouldn't matter what the shutter speed was, 1/60 would give the same result as 1/4000 because the flash duration is short, shorter the 1/4000.

This issue is more important when You want to take picture against the sun.

With Oly XZ-1 or RX100 I was able to setup  quite small aperture like f8, low ISO and fast shutter speed 1/1000.  Then 2xS2000 strobes are enough to get proper exposure.

With camera like Sony nex5n, You can set 1/160, this is tooooo long for sunburst, so You need to close the aperture to f22 and then You need stronger strobes like Z240. 


In Topic: NEX Macro Option?

25 March 2015 - 02:23 PM

I play a bit more with macro setup. I bought a longest macro port for my housing, which is dedicated to Sony 100mm macro lens. That lens is a bit expensive for me at the moment so I used some old stuff. I try to fit Zeiss 135mm f3,5 lens with M42 screw and converter x2. On the outside I used 2x Inon UCL330 lenses.

This gave me a big piece of stuff which looks like that.

I did picture of the Kings eye on the polish 100 PLN money

 

11091000_1016227598406013_24731985572533

 

11084191_1016303555065084_17038963947277


In Topic: Removing snow from WA with LR

04 March 2015 - 02:28 AM

This technique with LR is great if You have just some spots or You have a lot of time :) 


In Topic: For sale Sony Nex5n in Acquapazza Housing, 3x lenses, ports, gears etc.

01 March 2015 - 05:56 AM

No, but I do have US address.
How much is it for the whole package in USD $ ?
Thank you.
Michael.

Sorry for late answer.
I Have to stop selling this setup.
I bought new one but it is not better so I will keep this gear in my hands.
I will soon give the anouncment with Sony nex5n in nauticam housing

In Topic: Dry Suits - How to?

21 February 2015 - 01:39 AM

There are many ways how to control buoyancy in dry suit. It depends from the type of dry suit, volume and type of thermal protection layer. I saw that discussions many times. In my opinion there is no sense to discuss this via internet. How to swim in dry suit You can learn only in the water, with experienced colleague or instructor. And the end it is easy, but if You learn to make mistakes at the beginning, then it can go wrong. The is one main thing which can happen wrong: You will fly very fast to the surface with Your legs on the top and head still underwater, without possibility to roll and release the air.