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 Post subject: Is Digiscoping worth it?
PostPosted: Thu May 27, 2010 1:05 pm 
Hi,

I am wondering if Digiscoping is worth the money, since i have too manuel focus and no IS in the lens, The setup looks heavy to and i might need a tripod too (Maybe take care of that IS problem)... might be hard to focus on fast moving birds... looks like they are used for mammels and birds stalking in the pond, and they have high F numbers, But i think the high zoom on them (Some go up too 1700mm) might still make the bokeh look good, but what about light? i read they go too f22 at the long end.

Anyone got any thoughts?


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 Post subject:
PostPosted: Thu May 27, 2010 1:52 pm 
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Joined: Sun May 25, 2008 12:48 pm
Posts: 8022
Location: UK
Back a step, do you have a camera and scope in mind already?

As far as I can tell, digiscoping seems more popular with smaller scopes and compact cameras. I have tried with an astronomical scope and compact camera before, but the combination was possibly too powerful for practical use, not to mention a ridiculous size. Shake was a massive problem.

I guess it comes down to what sort of effective reach are you after, and if this is the way to achieve it.

_________________
Canon DSLRs: 7D, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 50/1.8, 85/1.8, 135/2+SF, 28-80 V, 70-300L, 100-400L, TS-E 24/3.5L, MP-E 65, EF-S 15-85 IS
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 150 macro, 120-300 f/2.8 OS, Celestron 1325/13
Tinies: Sony HX9V.


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 Post subject:
PostPosted: Fri May 28, 2010 12:33 pm 
I was thinking about a Sony NEX-5 or a Olympus E-PL1 (It was built in IS so i guess my scope becomes more stable) with a Swarovski STM 65 Straight Spotting Scope with Swarovski Universal Camera Adapter UCA on it, i was thinking the Sony NEX-5 for its full HD for recording birds and other stuff... but it doesnt have built in IS so im gonna have too think whats best... maybe the massive zoom range the E-PL1 be best... i dont know, but its gonna cost 1691.99 pounds for this setup, about the same with neither camera, i got no idea, can these small cameras make good pictures with such a zoom range?


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 Post subject:
PostPosted: Fri May 28, 2010 4:34 pm 
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Joined: Sun May 25, 2008 12:48 pm
Posts: 8022
Location: UK
On the stabilisation, with my E-P1 (assuming E-PL1 is similar) the manual focal length input range is up to 1000mm only. If you're using a prime focus connection that should be ok, but if you're using afocal projection you will possibly run into problems there.

I find this page a handy reference for working out how different connections affect the focal length.

_________________
Canon DSLRs: 7D, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 50/1.8, 85/1.8, 135/2+SF, 28-80 V, 70-300L, 100-400L, TS-E 24/3.5L, MP-E 65, EF-S 15-85 IS
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 150 macro, 120-300 f/2.8 OS, Celestron 1325/13
Tinies: Sony HX9V.


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