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Messages - vlim

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EOS Bodies / Re: *UPDATE* 5D Mark III Sighting?
« on: January 23, 2012, 05:55:11 PM »
A portrait of a bird with a 600mm lens, so can we say it's not a full frame body ?  So a 7D mk II looks more realistic ::) Of course we ignore the distance between this guy and the bird but...

EOS Bodies / Re: *UPDATE* 5D Mark III Sighting?
« on: January 23, 2012, 05:45:32 PM »
This new 200-400  makes me definitely more crazy than the unknown attached body on the 600 ;D

The idea of a potential 3D is interesting...

Lenses / Re: lenses for neotropical rainforest
« on: January 23, 2012, 04:58:10 AM »
Do you think a compact monopod is a must have for this kind of environment ? I have a good offer ( 200 $) for an unused new Gitzo CARBONE GITZO Traveler 6X GM2561T... Even if it's not for the 70-200 i'm pretty sure to use it sometimes with the 300 f/4...

Lenses / Re: lenses for neotropical rainforest
« on: January 18, 2012, 09:54:34 AM »
Thanks for all your comments guys ! Finally i will start with a 70-200 f/4 L IS (weather sealed which is so important) and when the new 300 f/4 or new 400 f/5.6 i'll buy it !

Canon General / Re: Patents: 24mm f/2.8, 50mm f/1.2, 300mm f/4
« on: January 16, 2012, 05:48:42 AM »
patent 300mm F/4

    Focal length f = 294.0mm
    Fno = 4.14
    = 8.42deg angle.
    15 sheets 11 groups configured
    One element radial refractive index profile
    Bowen ratio 0.78
    Inner Focus (the second lens group for focusing)

Does it mean a new 300mm F/4 is coming for 2012 ? This is not the first patent we have seen for this lens... I hope for it ;)

Lenses / A new SIGMA macro lens announced
« on: January 10, 2012, 08:06:38 AM »

Lenses / Re: Lens Announcement at CES? [CR1]
« on: January 09, 2012, 09:51:01 AM »
I'm hoping for a new 300mm F/4 L IS II and sealed or a new 400mm F/5.6 L IS and sealed... Both are excellent lenses at a relatively affordable price but they need a fresh start !

But unfortunately i know there's only a very slim chance of that happening...

Lenses / Re: lenses for neotropical rainforest
« on: January 05, 2012, 11:27:02 AM »
In terms of wide angle lenses, what do you think about this one :

Canon EF 17-40mm f/4 L USM

My package could be the Canon 100 macro F/2.8 L IS, the Canon 300 F/4 L IS (even not sealed the lens is relatively cheap and still terrific) and this last one (or a 70-200 F/4 L IS)... With this ones i'm relatively light and mobile (i have my binos and spotting scope too !).

With camo lenscoat and cover and a monopod (which one ?)

Thanks, Vincent

Lenses / Re: lenses for neotropical rainforest
« on: January 05, 2012, 04:17:04 AM »
Ho yes of course the 300 F/2.8 would be the best lens for this environment but here in France we can't rent it ! This is one i'm dreaming about... A rain cover is absolutely needed you're right !

Any other comments about the macro lens ? i know the canon 100 f/2.8 L IS is terrific but   the Sigma 150 f/2.8 might be a better option in terms of distance... Once again i'm talking about pictures of potantially dangerous snakes like the Fer de lance or Bushmaster. But the 300 f/4 could be used to for these guys...

Lenses / Re: lenses for neotropical rainforest
« on: January 04, 2012, 03:13:54 PM »
Thanks for your advices and comments. The place where i'm going is the Osa Peninsula, the wildest area in Costa Rica. I've been there already two times and i know that the conditions for taking pictures are pretty tough. One my friend lives there and he owns a property with intense wildlife activity, even the big cats are coming... And with a lot of snakes and some of them like the Fer de lance have to be considered with a lot of care while taking pictures... that's why i'm hesitating between the 100 macro from Canon and the 150 macro from Sigma !

Right now i can't afford to have many lenses so that's why i'm talking about one lens for the birds and mammals and the other one for frogs and snakes. And i know that the big lenses like a 500 f/4 are extremely hard to bring in neotropical rainforest espacially while walking... The 400 f/5.6 could be an option too but like the 300 f/4 is not sealed.

Lenses / Re: lenses for neotropical rainforest
« on: January 04, 2012, 11:39:58 AM »
The 300/4 isn't a sealed lens

That's why i want a new version of this lens !

I was thinking about this 70-200 and even about the new Sigma 120-300mm F2,8 APO EX DG OS HSM which is a little bit more expensive and heavier but apparently very very good !

Thanks for sharing your opinion...

Lenses / Re: lenses for neotropical rainforest
« on: January 04, 2012, 10:53:12 AM »
Other option can be the new Sigma 150mm F2,8 EX DG OS HSM MACRO...

Lenses / lenses for neotropical rainforest
« on: January 04, 2012, 10:48:51 AM »
What do you think if i buy this two lenses for my future trips in neotropical rainforest.

Canon lenses 300mm F/4 L IS  for mammals, birds and some of snake species and the 100 F/2.8 L IS for snakes and frogs, one on a 40D body and the other one on a 7D Body...

I hope for a new version of the 300mm F/4 L IS this year but it seems unlikely.

Thanks, Vincent

Lenses / Re: Any rumor about a new ef 400 f.5,6 L is ?
« on: September 14, 2011, 06:24:35 AM »
This would be great to update this lens ! And an even greater option would be a 400 f.4 L IS ! I would buy at the right price...

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