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 Post subject: What lens to buy???
Unread postPosted: Thu Aug 02, 2012 4:02 pm 
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Hi everyone,

We’re planned a trip in September to KNP and will be staying one night at Sabledam. I want to start experimenting with night sky photos. For star trail photos I’ll use my Canon EF-S 55 - 250mm f4-5.6 IS lens (just need to sort out the settings). But I need to buy a wide angle lens for night sky photos. Do I go for the Sigma 10-20mm f/4-5.6 EX DC HSM or the Canon EF-S 10-22mm f/3.5-4.5 USM Lens? Or what about the Canon EF 35mm f/1.4 L USM Lens? :doh:


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 Post subject: Re: What lens to buy???
Unread postPosted: Thu Aug 02, 2012 4:10 pm 
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Honorary Virtual Ranger
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Location: Red sand, why do I keep thinking of red sand?
For both I would use the widest lens, so the 10-22 or 10-20.
If you just want to photograph the sky it is no longer than a few minutes, otherwise you will see the stars creating trails already.
The f-stop doesn't make much of a difference in the equation, you are talking about long exposures.

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 Post subject: Re: What lens to buy???
Unread postPosted: Thu Aug 02, 2012 4:57 pm 
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DuQues wrote:
For both I would use the widest lens, so the 10-22 or 10-20.


Thanks DQ. Do you think the Canon is a beter buy than the Sigma? The price deferince is about 2k.


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 Post subject: Re: What lens to buy???
Unread postPosted: Thu Aug 02, 2012 9:24 pm 
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It should be, the Canon has been rated as "almost L quality".
Have a look at my brothers site (Madach) or on Flickr for some samples.

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 Post subject: Re: What lens to buy???
Unread postPosted: Thu Aug 02, 2012 10:16 pm 
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Actually, as you will only be using it on the trip you should have a look at renting the lens?
That kind of lens will not be a very expensive rental?

And I miss the 17-40 L f/4 lens in your list! :rtm:
That is an extremely good lens for your purposes, and for landscapes, as well as general photography.
I know, I bought one, but it got hijacked forever by my SO. :(

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 Post subject: Re: What lens to buy???
Unread postPosted: Thu Aug 02, 2012 10:52 pm 
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DuQues wrote:
Actually, as you will only be using it on the trip you should have a look at renting the lens?
And I miss the 17-40 L f/4 lens in your list! . :(

No I haven't looked at the 17- 40. I'll put it on my list when I go to the shop. I've never rented any equipment. Where can I do that?


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 Post subject: Re: What lens to buy???
Unread postPosted: Thu Aug 02, 2012 11:02 pm 
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Sent a PM....

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 Post subject: Re: What lens to buy???
Unread postPosted: Fri Aug 03, 2012 1:01 pm 
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I have only heard good things about the 17-40..it is a really good lens, and almost all photograhers have it in their bag :) the sigma 10-20 is a good lens, my mate has one and I played with it for a bit. but as with most lenses, the canon equiv. will be better :)


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