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Messages - tron

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Third Party Manufacturers / Re: Rokinon 14mm f/2.8
« on: October 31, 2012, 09:05:57 PM »
I'm almost in the same boat as the OP, so i'd also like to hear what you guys have to say. I read a review somewhere, "lenstip?" that showed very little coma wide open. well below what my personal threshold would be for coma.  the other option is to get an "astrotrac", for a bit more money, then shoot away at nearly any f stop i want, but then it changes things once you start having your camera moving on even longer exposures.. ay well....
I do have Astrotrac and I was able to take some nice wide field pictures of the sky. The problem is with Landscape Astrophotography where the camera has to be steady on a tripod. In addition I read many reviews where the buyers had exchanged their copies a lot until the got a good one (the main problem was decentering).

EOS Bodies / Re: Official DXOMark Sensor Score for the EOS-1D X
« on: October 31, 2012, 09:00:55 PM »
I am so disappointed. If I had a Canon camera with such a low DxO score I wouldn't be able to sleep. Oh wait I have a 5DII and a 5DIII  :o

Lenses / Re: "Affordable" telephoto lens for wildlife
« on: October 31, 2012, 08:59:15 PM »
The 300 f4 is very good, and works well with the 1.4x II. It is much more affordable than the 70-200 II, new or used.
I am a fan of this lens as well. It has greater resolution than the (sharp copy) 100-400 I had for over 5 years. So much so that I could crop to outrange the 100-400 before I had to resort to extenders. The 300 is not as versatile for most people but I have found it more versatile, than the 100-400,  for my (wildlife) uses. So much so that I have now moved to the 300 F2.8 L IS. Doh! now I have to sell my F4!
Do, also have a good look at the 400 F5.6 - there are a lot of people out there getting excellent images with them!
I can comment only on the 300mm f/4L NON-IS. It is so sharp! The 1.4X II keeps sharpness well. In fact with the 1.4X II it was sharper than my 100-400 at a 1/3 closer aperture! However, it does not have IS and it does not take 2X II so well...

Lenses / Re: Canon EF 24-70 f/4L IS Coming [CR3]
« on: October 31, 2012, 08:27:47 PM »
It really has to be either much cheaper or much better than 24-105. The third option is 24-105's end of life and price and IQ of 24-70 f4 on the same level as 24-105. If the last option would be true, then many people would hate Canon even more and finally found a reason to switch to N.

Sure I'd be pissed - I use the long end of the 24-105mm often. While the difference in the long end between the Canon 24-105mm and the Nikon 24-120mm is small, the difference between 70mm and 120mm isn't.
It isn't logical. A 24-70 f/4L IS is a subset of the 24-105 (We cannot know of IQ and 1stop better IS is no big deal). 24-105 cannot go eol.

Software & Accessories / Re: Canon Protective Filter Question
« on: October 31, 2012, 07:20:23 PM »
I use Hoya HD or HMC Super. No reason to bother with Canon...

Lenses / Re: Canon EF 24-70 f/4L IS Coming [CR3]
« on: October 31, 2012, 07:13:11 PM »
Geez some of you are having ridiculous reactions to this.  A few things to keep in mind before you speak:

1) Just because the lens doesn't seem appealing to you doesn't mean it won't appeal to others. 
2) Someone said why didn't they update this lens or that lens instead.  Just because Canon is releasing this doesn't mean that something else won't get released, they are a giant company, surely they can make more than one lens at a time.

I swear Canon can't release anything without catching a bunch of crap, if they announce something that you don't like just don't buy it and move on.
Feel free to tell us whether you like it or not instead of judging our reactions...
Unless we are not allowed to express our opinions  ::)

EOS Bodies - For Stills / Re: 5D Mark III sensor cleaning noise (squeaks)
« on: October 31, 2012, 07:04:30 PM »
I'm now a bit worried that I've never heard or felt anything from my 7D during sensor cleaning.  :-\
Maybe because it doesn't work?   ;D
Seriously now I haven't noticed anything on my 5DMkII and 5DMkIII. They must be broken too...  ;D

Lenses / Re: EF-M 55mm f/1.3 Coming in 2013? [CR1]
« on: October 31, 2012, 06:59:52 PM »
I tend to believe something is probably going to happen in March of 2013

But what?  :o
Well, last March, Japan had a magnitude 9.0 earthquake.  What could top that?
Canon creating a DSLR with 120 DxO score maybe ;D ;D

EOS Bodies / Re: Official DXOMark Sensor Score for the EOS-1D X
« on: October 31, 2012, 06:56:17 PM »
Sorry to get such a rise out of you guys.  ;)

It's strange to me how different stills people are vs. video people. Many video people are company agnostic for the most part. They tend to just go with what is the best camera out (probably because many use manual lenses so the investment in one company isn't quite as heavy). Stills people are ardent defenders of the faith. You are either Canon or Nikon, and you guys will defend your company to death. Saying something bad about Canon (or Nikon on the "other" site) is like insulting your mother, or probably worse.
Video people may be new to DSLRs. They used to use other king of equipment totally different form DSLRs. Stills people are more probably coming from the analog era or early digital so they had much time to get acquainted with their equipment and learned to appreciate its capabilities. Other than that I cannot think of any other reason...

EOS Bodies / Re: Official DXOMark Sensor Score for the EOS-1D X
« on: October 31, 2012, 06:51:19 PM »
guys, is anyone disappointed with score would like to exchange your 1dx or hassy to some superior camera like nikon d7100? with additional charge from your side, of course  :P

Lenses / Re: Canon EF 24-70 f/4L IS Coming [CR3]
« on: October 31, 2012, 06:47:57 PM »
So many opinions about this ... so called lens! What are we going to do should this rumor turn CR0 suddenly ?  ;D  ;D

Seriously now, CR3 or not, it is still hard to believe it...

Third Party Manufacturers / Re: Rokinon 14mm f/2.8
« on: October 31, 2012, 01:05:44 PM »

Can you please get a picture of the night sky with the lens fully open and see how the stars show at the corners? If the lens has coma (which even Canon L lenses have fully open) they will look like ... seagulls!

I can but I have to be motivated enough to drag it out after dark lol.  I should have tested it for that before when I was testing all the other lenses.  I think I can chalk that up to not counting on this to be much of a night sky lens due to all the light fall off/vignetting.  I suspect there's enough vignetting at f2.8 with this lens that it will be hard to get bad coma issues with stars.  But now I am curious what the distortion would do to a star trail lol.  Anyway, I just kinda doubt the issue will be coma on a night sky with it F2.8 and as much vignetting as there is there(it's more than the 14L II...which also has winged stars/coma I guess).  I have to send my 5D II in to fix the mount to sensor plane issue, which might happen today, so it'd likely be after that returns.
Thanks anyway! Even the vignetting information is useful. Unfortunately there is no such thing as a "free lunch". I' ll check vignetting in and

Lenses / Re: Canon EF 24-70 f/4L IS Coming [CR3]
« on: October 31, 2012, 01:00:07 PM »
I read "24"..."70"...."IS"... and got excited. Then I read "f/4", and immediately got a migraine.
They love doing that to us  ;D

Lenses / Re: Canon EF 24-70 f/4L IS Coming [CR3]
« on: October 30, 2012, 09:36:24 PM »
I would buy the 24-70 f4 IS if it was cheaper than the 24-105 and had better (or similarish) image quality. Size should be compact too.  It would fit in nicely with my 17-40 and 70-200 f4 lenses.
Though I kind of think it will cost more than the 24-105.  :(
Similar quality and a price not lower than existing 24-105 = useless lens
Better quality and higher price = stale mate: It depends: How much better IQ, how about product variation, etc.
Better or Similar quality and a price lower than existing 24-105 = unlikely scenario.

I really do think this will be the new kit lens for full frame cameras like 6D's and whatever. Marketing wise it makes sense to have less focal range in a kit to later sell more 70-200s.
Unless people use their brains and think they do not wish to be milked by Canon  ::)

Lenses / Re: Canon EF 24-70 f/4L IS Coming [CR3]
« on: October 30, 2012, 09:19:49 PM »
What if its EF M?
Now you are talking! This is really interesting (and no kidding this time, although 24mm will be around 38mm)

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