Quote:
Originally Posted by Robert_T
Hi Bird, I like these a lot, especially the sharper second one, though the softer first one looks more natural. The image scale is just ENORM and really smacks you in the face 
I'm amazed at just how good your blue channel is in relation to the red, especially at your latitude. Even when I've had reasonable seeing up here the blue is woeful by comparison to what I've got in the red.
Impressive  |
Robert, with a monochrome camera and electronic focusser there is something of an advantage over a colour camera - it's possible to set the focus for each colour channel separately so that each one is focussed as best as possible.
I normally find that the three colours focus at different points, probably a side effect of the glass elements in the powermate or maybe dispersion effects in the atmosphere, not sure.
Anyway, I spend a lot of time checking and tweaking the focus for each channel.
cheers, Bird