Re: Astrophotos with ZS66SD
- --- In William-Optics@yahoogroups.com, "patrickstonge2000"
>Well done Patrick!
> --- In William-Optics@yahoogroups.com, "patrickstonge2000"
> <patrick.st-onge.1@> wrote:
> > Hello,
> > www.sergestonge.com/astronomie.htm
> > I took these photos with my great ZS66SD with a F/3.3 reducer
> > to get an 0.56x reduction to 218mm f/l. The camera is a DSI PRO.
> > They are all 1 hour taken in 15sec subframes. It was the 7 march,
> > a 8 days Moon.
> > I'm really happy with this scope. The focuser is perfect, a lot
> > than the focuser of my Orion 80ED. I did a side by side test on
> > and the Moon, the two scope performed near the same, but the
> > of the 66SD is a little better. In focus, I see no CA, but inside
> > outside focus I can easily see colors, I don't see any colors with
> > 80ED. The 66SD have another inconvenient, the field is not really
> > flat, less flat than the 80ED, a fiels flattener would be really
> > I confirmed all this in daylight viewing, the contrast is better
> > the 66SD, but in my photography, there is CA in the background,
> but I
> > have to push up the saturation to really see it.
> > Finally, the 66SD weight half the 80ED, and it takes 2 times less
> > space to transport, the 66SD win easily.
> > Patrick St-Onge