August 22, 2014, 09:58:23 PM

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Messages - ajfotofilmagem

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These specs sound like an update of 7D very conservative, with the exception of autofocus. ??? The big question will be: The picture quality is the same for 70D, or have visible improvements? :-\

Lenses / Re: Help deciding on going full frame
« on: August 16, 2014, 08:56:33 AM »
The combination 16-35F4 + 24-105 + 70-300L makes a great set of lenses. This does not solve the problem (for his wife) to change lenses often.
Of these three, the 24-105 has more distortion and less sharpness than the other two, but still have superior image quality (in full frame) compared to your 18-135.
Your prime lenses will shine with 6D, but 50mm could be replaced by the great 35mm F2 IS in the future, to an angle of view more different of his 85mm.

I am the only one who does not trust media that can be deleted? ???
Pendrive, hard disc, SD card and all rewritable media may have accidentally deleted your files, or caused by computer viruses. ::)
Call me old, but I trust more in DVD-R medias high quality. ;)
Ok, you're old.
Thank you. I already knew. :P

I am the only one who does not trust media that can be deleted? ???
Pendrive, hard disc, SD card and all rewritable media may have accidentally deleted your files, or caused by computer viruses. ::)
Call me old, but I trust more in DVD-R medias high quality. ;)

EOS Bodies - For Stills / Re: 6D or 7D mkII?
« on: August 14, 2014, 01:45:29 PM »
Anyone know how the 6D's AF system compares to that of a Rebel?
The current Rebel T5i have all focus points cross-type, and the central point of focus is dual cross-type. The 6D has no focus point dual cross-type, but can do autofocus in very dark environments.

In short, 6D has lower performance with focus points outside the center, and is slower to focus, but you can do it even in darkness.

Lenses / Re: 6D+70-300 DO *vs* 70D+55-250 STM
« on: August 10, 2014, 08:01:59 PM »
If you want to shoot up to ISO1600, so 70D + 55-250 STM clearly wins. On the other hand, at ISO6400 and higher 6D + 70-300 DO have an advantage on the issue of noise, if you can settle for the ugly bokeh.

Thank you for your test. He shows that APS-C may give better results in situations of limited reach and low ISO. For me it was not a surprise, because I've thought that way. I also know that if the comparison was made ​​in ISO6400, the result would be different. But this does not invalidate the test result in ISO200.

Another reason to love APS-C is price and weight of the lenses. Those who have held in their hands 7D + 300mm F4L and also 1Dx + 500mm F4L  (angle of view equivalent), know that the weight and price are very different. Yes, I know I have high noise in 7D ISO6400, but we hope that 7D Mark ii will close this gap.

Reviews / Re: NIKON Releasing a Medium format DSLR 50MP
« on: August 05, 2014, 08:56:44 PM »
If Nikon makes a new line of medium format cameras and lenses, seems like a guaranteed way to lose money.

I do not understand why Pentax took many years to launch a digital 645, and then released with a 33x44mm sensor... If the sensor is truly size 60X45mm would some buyers willing to spend $ 15,000 on a body.

Landscape / Re: The Antelope Navajo Under ground cave, ARIZONA, usa.
« on: August 03, 2014, 05:07:51 PM »
Beautiful photographs, Surapon. :) I prefer large cameras, but I must admit that the small EOS-M is a wonder ... Since the stones do not move very fast. :P

EOS Bodies / Re: Mirrorless vs DSLR Camera
« on: August 03, 2014, 04:48:36 PM »
To say that Sony A7R "is a success" is too subjective. Success compared to what other camera? Actually A7R Sony is the only camera in its class, and has no direct competitors. The wedding photographers need reliable equipment, above all. In this aspect Canon DSLR and Nikon dominate the market.

The line of lenses and accessories A7R is very limited, and the history of Sony to abandon some product lines, uncooperative in doing exciting things. Believe it can be used "second camera" at weddings, but not as the main system. The future may be dominated by mirrorless, but this day has not yet arrived.

EOS Bodies - For Stills / Re: D810 vs. 3D
« on: August 02, 2014, 05:41:49 PM »
This user NostraHistoria is our old friend you want to photograph books using 1Dx with lens EF-S 55-250mm (old) and petal-type lens hood.  :o ??? :P He has changed his name because "CustomizedMacs" became known as the guy who thinks 1DX is not good enough to photograph books. :-X

He asked a lot of advice, but did not follow any of them. >:( If someone has a scanner to donate to our friend, save a lot of trouble. :-\ After all, cameras work best when there is an intelligent human being behind it. ;) For me, this joke has lost the grace ... But if you have not read posts that our friend can find some good laughs. :) :D ;D

EOS Bodies / Re: Is there something wrong with my 5D Mark III?
« on: July 28, 2014, 03:57:05 PM »
I must say that I NEVER use my Canon 50mm F1.4 at apertures larger than F1.8, it is admittedly low contrast and low sharpness.

Whereas Nikon 85mm F1.4 costs at least three times more expensive, it is quite obvious that it will have better picture than Canon 50mm f1.4 when used wide open.

Yes, AWB Canon misses a lot and tends to orange colors. So I also NEVER use AWB.

Street & City / Watch out! Of burglary zone.
« on: July 25, 2014, 10:48:12 AM »
You've seen photos of absurd urban scenes like this? The sign says:
 ??? Watch out! Of burglary zone. :o :o :o

EOS Bodies / Re: 7D the new 6Ti?
« on: July 23, 2014, 08:14:27 PM »
Probably the hypothetical Canon T6i will be something like a 70D with plastic body and without AFMA.

EOS Bodies - For Stills / Re: HUMIDITY ALERT!
« on: July 20, 2014, 07:27:48 PM »
Any UV system generates ozone, with accelerates decomposition of rubber or many polymers.  The attack is worse than the drying of the gasket material.  Don't use UV, chlorox ect., to prevent fungal growth.
Most household moisture level is well over 50-60 percent, and fungal is still minimal.
I bought some plastic boxes, like the one you can get at big box store, the orange, grey/blue hardware stores, and the big blue discount grocery super store, so I can organize my gear and external disk drives.  I am sort of having second thought of the idea.  Coupled up in the sealed boxes, the air gets stale and things can grow inside with little moisture.  So, I keep the lid skewed, just to get circulation.
Someone on another thread got a drawer set for gear storage.  I think that is a wonderful idea.  Keeps dust out, moisture level at comfort range, and cool.  Rather inexpensive, to boot.
Yes, ultraviolet light causes deterioration of rubber. However the spectrum of UV-C light is much more eficienye that natural sunlight, and takes just a few seconds of exposure to kill the fungi. I have used a few years (once a month) and have not had problems with the rubber of my lenses.

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