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They will be similar with maybe half inch variation
Ideally you want something in the 4-8" range and something in the 2-4" range working distance but it depends on what you shoot
People talk about macro but unless you really are in macro location most critters are bigger than one inch
I have both the +10 and +5 (but a different camera). The +5 focuses about 5 inches away and the +10 is around 9 inches (give or take a bit). Both have narrow dof. I am not sure how this is affected by different cameras.I'll definitely take the camera with and try it out first before I buy it. Warning noted.
How close does the Sub sea +10 focus from the lens? Does it give you more room to work with?
I have both the +10 and +5 (but a different camera). The +5 focuses about 5 inches away and the +10 is around 9 inches (give or take a bit). Both have narrow dof. I am not sure how this is affected by different cameras.
They are useful when you can not get close to your subject. The +10 does vignette if I do not zoom out most of the way. The +5 sits on the shelf at home.
The one surprise I got was that for my camera these lens did not not really give me the ability to capture "larger" images of small things. My camera can focus to 1cm from it's lens but now I have to move 9 inches back which basically results in the the subject being the same size. So for things I can not get close to, I use the lens, for things I can get close to (like coral polyps!) I flip the lens up and just use the cameras native macro capability. Camera is a s&s dx1g (Ricoh caplio gx100) with a 24mm to 72mm built in zoom.
The one surprise I got was that for my camera these lens did not not really give me the ability to capture "larger" images of small things. My camera can focus to 1cm from it's lens but now I have to move 9 inches back which basically results in the the subject being the same size. So for things I can not get close to, I use the lens,
I actually have the opposite problem. My camera will focus at less than 1 inch At full telephoto. putting the subsea +10 on pushes the focus distance out to around 9 inches. So the subsea increases my distance to subject, it does not reduce it.Some cameras can focus so closely with the lens at full wide that using the lens full wide give the best macro if you can get that close.
For example, the Panasonic LX7 in full wide can focus as close as 5mm in front of the lens and a 32mm wide object will fill the sensor. But the LX7 in full zoom (telephoto) can only focus as close as 240mm which means it takes an object 120mm wide to fill the sensor.
So it is a matter of "can you get that close"?
The 'diopter' allows you to focus much closer. Of course you can't use the 'diopter' with the LX-7 in full wide. But zoom the LX-7 to full zoom (telephoto) and by adding the Subsee +10 you can shorten your minimum focus distance from 240mm down to 75mm. And because you now can move the camera 165mm closer to the thing you are photographing, that thing can be as small as 41mm wide and still fill the camera sensor.
I have tested the Inon UCL-100 against the Subsee +10 on compact cameras and micro-four-thirds lenses. I will try to publish comparison photos soon.
The UCL-100 works well with compact cameras. It also works well with 14-42mm lens, 12-50mm, and 45mm lens in Micro-four-thirds cameras.