Hi members,

I need a help for this situation:

All my pictures with the Tokina 10-17mm are problems in the right corners, only in 10mm focal lenght. (I add photos for you see the problem).
This is very strange because the left corners are always OK.
I use the Tokina 10-17mm with Nikon D300 in Subal ND30, DP-FE2 port and Ext 18mm.

Click to view attachment
Click to view attachment
Click to view attachment

Where is the problem? The lens, the camera, the housing, the extension or the photographer?

Thanks in advance for your help in this bizarre situation.
Best regards,
Tigershark

This is probably a slight misalignment of the dome shade - probably the easiest solution is to first make sure that the shade is properly in place - they can move. And then if so - file away slightly the offending corners of the shade.

Alex

What port extension do you use, I changed mine from the 20mm to the 15mm to solve a similar problem.

Thanks Alex for your help.
What you think about change the EXR 18 for the EXR 15?
In my last dives I put tape to fix the dome to avoid them turn and also tape in the camera support inside the housing to tray correct the camera position a little bit more to the left, but without great sucess.

Best regards,
Tigershark

Hi loftus,

Thanks for your help.
I use the EXR 18mm, the extension recomended by Subal, but in fact my idea is change to the 15mm.
The bizarre is I have only problems in the right corners.

Best regards,
Tigershark

This happened to me on one day of diving with the same combo. The dome shape was misaligned as suggested above. When the dome shade is straight I don't have the problem.

Hi Dave,

Maybe I'm wrong but with a misaligned dome (resulting of the dome turn a little) the bad corners will be the right up and the left down - I think, not the corners in the same side.
Because this I find VERY STRANGE this situation and I don't understand what happen and who I can solve the problem.
You remember which of the corners are dark in your case - Same side or opposed?

Best regards,
Tigershark

Tigershark,

Any chance that the body is slightly off-kilter on the saddle, or that the saddle doesn't go fully forward on both rails inside the housing??

Just a thought...

Mark

Hi Mark,
Thanks for the help.
In fact Subal have the same opinion ...

"this is more then strange! Especially with the D300 the geometric configuration is the best possible.

Therefore it looks like that the camera is not in the correct position - for what reason ever!?"

... but I don't find anything wrong in the saddle.

Best regards,
Tigershark

Sounds like a 15mm extension is in your future, huh?

I believe is not so easy.
In fact I have another answer from Subal about this situation:


" ... the sample pictures shows that there IS a problem with the position of the camera! The vigentting is always at the same place and it seems that the camera in pushed back at the top!?

The EXR-15 will NOT solve the problem!!

We suggest that you ship the whole package (Housing, Camera, port, lens and so on) for checking.

Please consider that we're out of office until Aug. 17th. ..."

The bad news are - I go on trip to Indonesia (Lembeh and Walea) from August, 26 and only can send the equipment to Subal for check after that, because they are closed until August, 17.
The good news are - I can always make a little crop in digital times!!!

Best regards,
Tigershark

I'm no expert, but...

I still wonder if something's preventing the body and lens from squarely seating in the housing, since the vignetting is only showing up on the right like that.

Any chance the zoom gear mating with the knob is pushing everything slightly to the side??

With the help of one tape-measure I have detected the problem.
In fact the lens are out of the center, to the right more or less 1,5mm. (Is the same for all my lenses)
I take the measure from both sides of the lens in the housing ports mount ring.
Anyway the camera are in the right position on the support saddle, if you mind what I say.
I go tray fix the problem.

Thanks everybody for your help.

Best regards,
Tigershark

Solved for now.
After half day of hard and amateur work this is the result.

Click to view attachment

Now is good, but I think there are some problem with the saddle.
Let's go see what happen in future.

Best regards,
Tigershark

Glad you were able to find the issue.

Have a great trip to Indonesia -- looking forward to seeing your pictures.

Mark

3rd day of a 3 day trip. My dome shade on my FE2 port was slightly rotated. All horizontal shots had vinegtting in the upper right corner. When the dome shade is on correctly I don't get this effect. Vertical shots were unaffected. This was shot with a D2XClick to view attachment

Hi members,

The problem still there, because the camera change position when I switch the battery or discharge the card and replace the camera again inside.
This weekend I have tested the EXR 15mm without problems.
My advice to everybody use this equipment and find the same problem in the camera position inside the housing is the use of EXR 15mm.

Best regards,
Tigershark