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23 July 2018 - 11:45 AM
Lovely image Walt..
Which camera is this with?
23 July 2018 - 11:00 AM
I have used the 8-15mm with a 4" port and the Seacam CFWA port (with a Kenko 1.4x TC) which is significantly smaller.
I think that while the results are acceptable, there is no doubt that smaller ports do affect image quality. The fisheye effect camouflages the corner distortion, but it is still there...
I would recommend shooting this lens behind a 170mm port or greater size if possible.
15 July 2018 - 12:15 PM
Jess-check out the images from Gulen, Norway during the latest Shootout:
They were all shot in green water with similar visibility...
14 June 2018 - 10:01 AM
4" glass dome with full frame is not a great option unless you shoot at f/11 or greater.
This will be especially true with the D850's resolution.
I would look at a 6" or 170mm dome.
There is a huge amount of info on this forum about lens choices for the D850. I would suggest having a good search around...
All the best
04 June 2018 - 03:11 AM
Actually, the type of camera is less important than how the strobe's output is being controlled.
If you wish to shoot with manual flash output control, then the "Pre-Flash Cancellation" button should be in the in (down) position.
If you wish to shoot using TTL flash/exposure output control, the "Pre-Flash Cancellation" button should be in the out (up) position.
Of course, your camera settings control whether the camera is supplying a manual or TTL flash signal, so this needs setting in your camera menu too.
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