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Messages - tron

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Edit: Just seen that TDP has the image quality data on its site. There seems nothing between the 5.6 400 and the vii


Well, in the corners, the 5.6 400 L looks better to my eyes and this becomes even more pronounced if you compare both lenses with the 2xIII attached:

However, I expect that in real life and @ 800 mm/f 11 you will have more keepers with the zoom than with the prime most of the time due to the IS, unless you have reaaaly good light.

I'm not so sure.  The 400 prime has better light transmission than the new 100-400.  21 lens elements vs 7 on the prime.  IS may help but it doesn't help in every situation.  It's the zoom trade off.
Indeed! And I was wondering whether the new 100-400 would be practical for photographing sunsets.

For example: My 70-200 IS 2.8 II not so  much! My 300mm f/4L (non-IS) on the other hand rocks...
(And I am not talking about magnification obviously...)

EOS Bodies / Re: High Megapixel Camera Coming in 2015 [CR3]
« on: December 18, 2014, 08:57:40 AM »
A question: Is it possible that the loss of sharpness by AA filter to be counteracted by the use of slightly increased sharpening? If that is so we can have the best of 2 worlds. Unless some very fine detail is lost completely at capture time...

EOS Bodies / Re: High Megapixel Camera Coming in 2015 [CR3]
« on: December 17, 2014, 01:31:00 PM »

But I still don't think Canon has launched a mirrorless system until they give us a @#$%ing EVF and more than two native lenses to choose from at B&H.   The embarrassment of the EOS-M is not the product so much as Canon pushing a ship in flames out of port with a vague intention to 'put that fire out soon'.

- A

That 22mm pancake is one hell of a lens of the two we get to choose from.

I'll edit your sentence above.   ::)  I stand behind the original argument.

I agree with you completely (it's a great lens), but that's like enjoying your new car... that doesn't have brakes or any gears above second.  EOS-M is super-high IQ point and shoot that happens to have a removable lens mount for some reason.  But until the EVF and native EF-M glass comes forward, it's DOA competitively as a standalone system.

- A
Errr... of the four EF-M lenses we get to choose from...  (11-22, 18-55, 22, 55-200)

I would say yes. You paid a lot and you need it to focus perfectly. Compared to the cost of the lens the cost of the dock is not significant. Other than that I cannot say something because I do not own Sigma equipment (and I do not intend to).

EOS Bodies / Re: High Megapixel Camera Coming in 2015 [CR3]
« on: December 17, 2014, 08:07:28 AM »
OK! Where is my 5DMkIV with 22Mp 8fps, 65AFpoint system, 13EV DR at ISO 100 (you see I am reasonable) and 1 stop improvement in high ISO over 5D3 (you see I continue being reasonable  ;D ) ??

Software & Accessories / Re: i folded and bought CC :(
« on: December 17, 2014, 05:03:44 AM »
and at least Adobe has offered their package at a reasonable price (finally !).

not if you do video work too

Once upon a time you used to be able to even do something like upgrade InDesign once every three gens and Premiere Pro package (including PS) once every three gens and then add in a stand alone PS upgrade along the way if needed. Or forget the InDesign and just upgrade PP every once in a while and PS extra as needed.

And with the rental model, you can pay them for years, thousands of dollars and then if you quit you have nothing, nada, to show for all that money spent. You don't get to keep anything even if you did it for years and spent thousands.
+1 Finally! I believe you should have written that statement in bold!

EOS Bodies / Re: All I Want For Christmas...
« on: December 15, 2014, 10:33:00 AM »
Hi there

Just yesterday I read my monthly photographers magazine and there was a review on the all new Nikon D750. The spec-list matched 100% with the camera I'm waiting for Canon to release somewhere near (Nikon released 5 full-frames in the last year!).

The idea is clear, pick a Canon 70D, put a full-frame sensor in it, add a few extra focus points in it and you're done. Canon may brand it like the Canon 6D Mark II, but anyway I wan't to have it soon!

If I hadn't spent all the effort (and money) to get familiar with the Canon eco-system I would have switched already. I started in photography in 2006 with a 400D, Canon EF-S 18-55 f/3.5-5.6 II (which is still my only and main DSLR) but in the years I've invested into EF lenses and a flash (Canon EF 50 f/1.8 II (2006 and 2009 (first one broke when dropped), Canon EF 70-200 f/2.8L IS II USM (2013), Canon EF 16-35 f/4.0L IS USM (2014), YN600EX-RT (2014)).

So, I think I followed the saying - invest in glass first - quite well, but now I would like to attach a nice body to it without buying an "old" and expensive 5D mark III nor in a non-dual pixel 6D.

Are there other "prosumers" feeling the same way?

Kind regards

Hmm, they way I see it you can either get an "old" and expensive  5D mark III  nor in a non-dual pixel 6D  ;D

Seriously now, is the dual pixel feature on FF the most appealing to you? 6D is not the best for video anyway.

I would think that a better (say a 19-point) AF system would be a more useful feature...

If you are ready to take advantage of your glass get a 6D and start palying with it. You can always sell it later when 6DII is introduced...

Third Party Manufacturers / Re: FYI: D750 light leak issues
« on: December 14, 2014, 06:23:16 PM »
QC is dying...

Fortunately! I'd rather send back a bad copy now and again than to have 1/3rd more of the price.

You just have to be prepared for it, and the question is if there are just some duds or the whole production line is crappy (I'm thinking of you, Yongnuo!).
If you discover it on time, if you can send it back (= if they accept it), if company has a solution, if you can do without it for some time, if it is a dud and not a design error, etc....

@slclick thank you! ;D

@Rupp1 please make it quick. I want my 5DIV as soon as possible! ;D

Third Party Manufacturers / Re: iOptron SkyGuider
« on: December 11, 2014, 11:35:00 AM »
Up to now I have used 14mm, 21mm  and 16-35mm (and once in the past 300mm f/4). The nice thing with this mount is that I can trust it with a heavy setup since the attachment is at its center and it has no need of counterweights.

I would not trust a 500mm lens even on the new device you mentioned mainly because I would fear the excess size would make it prone to accidents...

Anyway a 500mm lens means 1sec exposure tops without any help.

Is the increase of about 10 times enough for you? (this may increase with the help of a good polar scope and precise alignment I guess).

May I suggest the use of a lesser focal length? Say a 300mm f/4 or even a 70-200 2.8?

That way exposure times will increase.

EOS Bodies / Re: Canon 5D mkIV
« on: December 11, 2014, 11:21:44 AM »
If they can't deliver better AF than the A7II, there is a whole lot of need for the 5DIV...

What exactly is left to get better anyway with ff phase af? The only obvious difference is the size of the af array, i.e. the spread of the af points to the edges. But looking at all ff cameras, Canon or not, this seems to be either very hard or very expensive to do.

Thus I imagine the 5d4 advances will be different:
* minor fps advancement
* minor advancement in res
* but dpaf and 120fps@hd for video
* 7d2+ fw features (anti filicker, intervalometer, ...)
* 7d2 hw features (gps, sealing)
* 5d3 bugs fixed (slow sd writing, no af indicator while tracking).

The real question for the 5d3's success is if there will be any visible advance in sensor iq, at least to 6d/1dx/7d2 lack of banding and maybe 0,5-1ev better snr. Combine that, and it's solid upgrade like Canon likes it.
+1 I do hope they will leave MPixels the same though and they will concentrate on sensor improvement...

Third Party Manufacturers / Re: Leica: Trouble in paradise?
« on: December 11, 2014, 11:18:22 AM »
Not that I could afford a Leica system (I am not even interested in) but this is another reason to stick to my "lowly" DSLRs...

First impressions: http://www.dpreview.com/forums/post/54904011

No pictures though, the light was so bad I can't post anything worthy. Maybe tomorrow, if someone else hasn't posted by then.
Thank you very much for your post. When you say that ver II is sharper have you compared your 2 lenses fully open at 400mm?

Third Party Manufacturers / Re: iOptron SkyGuider
« on: December 11, 2014, 09:29:53 AM »
The link does not work now. But it does not matter.

A similar one can be easily found: 


I have something similar the astrotrac. It has the advantage of being able to handle more weight. I am not very fond of its polar scope though.

For these devices keep in mind that with the best polar alighment you will be able to increase the time of exposure by a factor of 10.

No more.  But this is still very usefull (it is a difference for example between ISO 10000 and ISO 1000!)

Another thing they are no good for landscape astrophotography.

A small exception is the ones that can track with 1/2 sidereal speed so as to give you the chance to increase the exposure with no startrails or foreground blur.
My astrotrac does not do this though...

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