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Craig,
Yes all but the mercury images were taken through my PST and barlow or without.
The DMK is equivelent to a 6mm eyepiece for your purposes.
Yes you can get away without having to buy more, but you will struggle. A tripod is fine, but a mount is better.
Most solar scope packages require the scope to be around f30. I think this is the same for the solar max range too. When you buy the kit they have in the instructions the designated focal ratio that you scope has to work at. This is simply sorted by have a barlow to increase the f ratio. You must use a barlow is they say to use one. There are no second chances with solar viewing.
The powermate was the only thing that would come to focus. The normal barlows I have would not come to focus. I also had to cut the eyepiece adapter down too. There is not much back focus with the PST, which can be problematic if you want to try and image with a DSLR.
I already owned the powermate, and used it on the suggestion of Mike at Bintel. I had tried the barlows I had but did not think that the powermate would be any different. The optical path is the reason why they come to focus. It is just the way the glass elements are in order that allow focus.
Let me knwo if you have anymore questions.
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