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Member Since 08 Feb 2008
Offline Last Active Jun 13 2016 02:27 PM

#371160 Dyron +7 diopter or CMC-1 on Olympus 60mm macro lens?

Posted by nudibranco on 05 March 2016 - 04:52 PM






#368557 Olympus 9-18 with Nauticam 4.33"?

Posted by nudibranco on 23 December 2015 - 02:44 PM

I tried a year ago both the 3.5" and the 4.33" nauticam ports with extensions on the em5 camera and olympus 9-18mm lens.  

The results are no good.  The 9-18mm is a great lens for land use but not for UW.  Close focus is not good and even with diopters (achromatic too) attached the results are pretty bad.   The 4" long semi dome port is good and results are reasonable with at least a +2 diopter in the case.  Better an achromatic one.   In the end I use this 9-18mm lens UW very little!.  


I much prefer the 8mm FE lens with the small 3.5" dome and use that also when I want really wide and CFWA.  Packing the dome and the 8mm lens is of little weight and space!


I have been using with good results the 4" semi dome port with the 12-50mm lens with a cmc flip diopter.  I get true 24mm equivalent all the way to true macro.   This is a reasonable versatile setup and have been using daily on my last Cozumel trip.  The semidome also houses and works excellent with the 60mm macro lens.


Lately some options on wet wide angle add-ons have appeared but have not tried them  The INON and the Nauticam seem to have a good wide wet solution matched to the 14-42 lenses (the Panasonic one seems the better one).  And Nauticam offers a bayonet mount for easy detachment. This is an expensive setup but you could have a full solution from 110° wide to macro ...  underwater .  I would like to hear on someone that has tried it.  The INON solution is less expensive and less wide but a bit less quality.  The Nauticam advocates great quality but weight is 1kg and 1k € the cost!!!



#358735 Oly 60mm behind flat port vs. dome port

Posted by nudibranco on 10 March 2015 - 03:29 PM

Frankly I have the 60mm macro lens and used it behind the flat port...  afterward I used it behind the 4" Nauticam port and found that I get 30% better FOV and get the same magnification by getting closer to the subject.  


As I have the flip macro adapter for this port (I use it especially when I use the 12-50mm lens) I get supermacro details by using it with the 60mm macro lens.


No quality issues that I can tell.


BTW the 9-18mm minimum focus distance is 20mm so it is clearly no problem with the focusing on the 60mm lens.


It is bigger than the flat port ...  but that is the only negative i have to deal with vs. the flat port...

#357250 Tri-clamp with only two arms?

Posted by nudibranco on 30 January 2015 - 03:26 PM

I stressed it to control the motion...  and it will bend the screw...  definetely not recommended  :B):

#355534 Olympus 60mm macro focus distance display.

Posted by nudibranco on 17 December 2014 - 12:57 PM

Actually I remember seeing this kind of info in the Fuji x10 compact camera.  Actually it would be a nice information to have while you do macro I guess so you avoid scratching the domes :)

#324730 Olympus OM-D E-M5

Posted by nudibranco on 18 January 2013 - 06:10 PM

My experience:
The versatility of compacts is hard to find with the 4/3 and even more difficult with the DSLRs. But the image quality is different worlds especially because you start focusing on what you are going to shoot UW before and in the water. If you are quickly distracted by both small organisms and large fish or scenery on the same dive then it is not easy to focus on composition and techniques that help you get the best shots. That is true on land as well so it is a mindset not only the image sensor. I agree that when you are diving and you are not sure what you are going to see in unknown locations or waters then a versatile lens like the 12-50 on an OM-D can get a lot of different subjects. But then I think some of the better compacts are probably better as you can really cover the whole range with a small but reasonable quality. I believe that once you move to the better images it is hard to go back to compacts though. I am myself tempted to try the new Sony RX100 for those situations I mentioned and for light traveling. In regards to the 12-50 I can confirm like many others did that it does indeed do 1:1 magnification in macro mode without diopters. Not sure why Olympus quotes 0.76. The 45 or 60 mm macro lenses do 2:1 magnification since they can fill the image with about 17mm horizontal subjects.