Jupiter with the Sigmonster

huzkerpride wrote in post #3380222
I think the Hubble has lens envy...

Yeah here's a lame shot from that envious fellow...

foxbat wrote in post #3382138
I think it's safe to assume Saturn is at infinity!

DOF formulas say that at Saturn's distance, the DOF should be huge, and theoretically I can just set the focus ring to infinity and shoot.

But in actual shooting, I've to fine-tune MF very well to get sharp focus. Any tiny movement of the focus ring renders the subject terribly OOF.

Romy

In2Photos wrote in post #3382570
Quote:
Originally Posted by Bursar

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LOL! Would it not be easier to buy a telescope and an adapter for the camera? Or am I missing the point?


But he already owns the Sigmonster and the TCs so why buy the telescope?

Yep.... I shoot birds primarily, and just use my long birding glasses at astro stuff for fun...

Romy

AdamJL wrote in post #3382755
Have you thought about dedicated Astrophotography mate?

Thanks, but I really just do astro stuff for fun. For even more fun, I go for them feathered friends....

Romy

Nice shot JuZ! If you've another 1.4x or even a 2x, I think you can add it to the 2.8x and increase detail captured. The sweet TC stacking magnitude is about 4x - 5.6x. I've tried 8x (2x TC * 3) but no significant increase in detail was realized.

Romy

JuZ wrote in post #3383069
Just for comparison here's a shot of Saturn from the UK, taken just from outside my front door

20D, Sigmonster + 2x TC + 1.4x TC, 100% crop