AstroJason
18-07-2015, 08:24 PM
Hi all,
I have been doing some research today and I am after some opinions on my thoughts.
For a while now I have been shooting most of my images with my Canon 70-200mm 4L IS lens using my 6D. I love the lens as it has been giving me some great results which can be seen here (https://www.flickr.com/photos/jasonwehbe/). Now you can probably gather from the title that I am considering purchasing the Canon 400mm f/5.6L lens. Its a prime lens with no IS. I would probably use it for day time shooting but my main intentions for purchasing it at the moment are for astro work (so not too concerned it doesn't have IS).
From what I have seen and read, it is a great lens for astro work and very good wide open from centre to edge as can be seen here (http://www.photozone.de/canon_eos_ff/612-canon400f56ff?start=1).
The images from the lens look great as well. The stars look well controlled with little to no CA to me. (http://www.centralds.net/cam/?p=2245)
Now for the alternative... the William Optics Star71... 350mm, f/4.9. can mount it straight onto my 6D just as easily as a Canon Lens obviously. It has a 45mm imaging circle so would also be ideal for my full frame 6D.
The main thing that is stopping me from going for the Star71 is that its only 350mm. Already having the 70-200mm lens I feel that going to 350mm does not seem worth the money. I feel the 400mm would be much more worth it, at least I would be doubling the focal length.
The other thing is I want to keep this purchase around $1600 if I can. I can get the 400mm lens for approx $1600 in Australia. The Star71 is cheaper at almost $1400 but then there is import tax and shipping on top of that.
On the other side of things, I don't want too much focal length either. I want to be able to set up and not worry about guiding.
Anyway, am I crazy and wasting time just going from 200mm to 400mm? Or even to just 350mm for that matter?
Any other options people can recommend for that price range?
Thanks all,
Jase
I have been doing some research today and I am after some opinions on my thoughts.
For a while now I have been shooting most of my images with my Canon 70-200mm 4L IS lens using my 6D. I love the lens as it has been giving me some great results which can be seen here (https://www.flickr.com/photos/jasonwehbe/). Now you can probably gather from the title that I am considering purchasing the Canon 400mm f/5.6L lens. Its a prime lens with no IS. I would probably use it for day time shooting but my main intentions for purchasing it at the moment are for astro work (so not too concerned it doesn't have IS).
From what I have seen and read, it is a great lens for astro work and very good wide open from centre to edge as can be seen here (http://www.photozone.de/canon_eos_ff/612-canon400f56ff?start=1).
The images from the lens look great as well. The stars look well controlled with little to no CA to me. (http://www.centralds.net/cam/?p=2245)
Now for the alternative... the William Optics Star71... 350mm, f/4.9. can mount it straight onto my 6D just as easily as a Canon Lens obviously. It has a 45mm imaging circle so would also be ideal for my full frame 6D.
The main thing that is stopping me from going for the Star71 is that its only 350mm. Already having the 70-200mm lens I feel that going to 350mm does not seem worth the money. I feel the 400mm would be much more worth it, at least I would be doubling the focal length.
The other thing is I want to keep this purchase around $1600 if I can. I can get the 400mm lens for approx $1600 in Australia. The Star71 is cheaper at almost $1400 but then there is import tax and shipping on top of that.
On the other side of things, I don't want too much focal length either. I want to be able to set up and not worry about guiding.
Anyway, am I crazy and wasting time just going from 200mm to 400mm? Or even to just 350mm for that matter?
Any other options people can recommend for that price range?
Thanks all,
Jase