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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 24 Aug 2016 (Wednesday) 21:29
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Canon 5D Mark IV -- Time to Discuss!

 
rantercsr
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Aug 26, 2016 15:06 as a reply to  @ post 18107287 |  #271

Those who are looking for vids of thier kids blowing out thr birthday candle will get by as is...
I dont say that as a put down..
As you start becomingmore aware of video and all aspects you then realize that a straight out of thr box missing nothjng setup does not exist , be it dedicateed cinema camera or dlsr..
I think thats just the process isnt it?

Like when someine buys thier first rebel with kit lens and envisions the pictures theyll get .. then realize its not quite so easy



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Aug 26, 2016 15:51 |  #272

Wilt wrote in post #18107258 (external link)
Not 'my logic' in debate here...Tell the authors of the program that THEIR logic is flawed! https://www.projectors​creen.com/projector-screen-calculators (external link)

Their apparent criteria in finding the optimum viewing distance was to NOT WASTE apparent detail...it might be said that your approach is kinda like viewing 5DS 8688x5792 on 12"x18"and saying "It's much more crisp" than 5D(c) 4368x2912 also on 12"x18" when both are viewed at 40" viewing distance.

.


Here's (external link) anpther way to "look" at things:) based on pixels per FOV

Assuming display is flat, with 1 arcminute as the constraint for seeing critical detail, in order not to miss any detail a viewer would need to be situated at a position where their view angle to a 1080p HDTV is approximately 31.2 degrees or greater (32 degrees for spherical display), for 2160p HDTV approximately 58.37 degrees or greater (64 degrees for spherical display) and for 4320p HDTV approximately 96.33 degrees or greater (128 degrees for spherical display).[1][3] However, there is not always agreement that the Snellenian limit should be the constraining factor.

How FOV and screen diagonal are related is an exercise for the reader:D The 96 degrees for 8K sorta fits with the earlier post...


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welshwizard1971
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Aug 26, 2016 15:57 |  #273

I'm going to start looking at video forums to find threads talking about still cameras, all this video stuff is boring me to tears.


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Aug 26, 2016 16:14 |  #274

welshwizard1971 wrote in post #18107342 (external link)
I'm going to start looking at video forums to find threads talking about still cameras, all this video stuff is boring me to tears.

And so is all of the off-topic conversations about TVs!


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sploo
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Aug 26, 2016 16:19 |  #275

Has anyone yet come across an answer as to whether we'll get illuminated AF points in AI Servo? I'm traveling at the moment and only have basic phone access, so haven't been able to watch any preview videos to get more info.


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Wilt
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Aug 26, 2016 16:19 as a reply to  @ AJSJones's post |  #276

I have a hard time visualling one arc minute . I have an easy time imagining sitting in front of a 4K monitor if I need to be more than 5' back from the screen, else I only need a 1920x1080 display. I can estimate those even in the store.

If each pixel is half an arc minute, so a pixel triplet is represented in one arc minute, then if I were viewing a 5DIII image, I need 5760 horizontal pixels or 2879 arc minutes to display it at the limits of my vision, which is equal to 49 degrees. So if I have a 50" wide screen I need to sit 22" back (Tan 49). That seems excessively close. where the math go wrong?


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rantercsr
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Aug 26, 2016 16:22 as a reply to  @ post 18107361 |  #277

While i agree theres no need for that ..

Discussing the video features is not at all off topic is it?
Just basing on the title of thread



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Aug 26, 2016 16:24 as a reply to  @ rantercsr's post |  #278

Seems to be a lot of TV talk...


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Aug 26, 2016 16:27 |  #279

todmac wrote in post #18107369 (external link)
Seems to be a lot of TV talk...

No 'image projection'...a topic not discussed much by digital photographers, because projectors which display 4K video cost $10000-$15000 and all they can handle is a Canon 20D's resolution!


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Aug 26, 2016 16:27 |  #280

WilsonFlyer wrote in post #18107348 (external link)
Bye. Watch out for that door.

??? -?


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WilsonFlyer
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Aug 26, 2016 16:34 |  #281

todmac wrote in post #18107361 (external link)
There's really no need need for that on these forums.
Others including myself would like to see this thread stay on topic, not much to ask really.

Thanks. I appreciate the advice. I'll take that under advisement.

Last time I checked, the topic at hand was Canon's new 5D Mk IV and its capabilities as they relate to anything it does.

There was no need for his comment. Had he not made it, mine would have been unnecessary..




  
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Aug 26, 2016 16:37 |  #282

sploo wrote in post #18107362 (external link)
Has anyone yet come across an answer as to whether we'll get illuminated AF points in AI Servo? I'm traveling at the moment and only have basic phone access, so haven't been able to watch any preview videos to get more info.

Yes we will. Exact same viewfinder from the 7D2 and it has it.... although it's a blinking red light.


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Aug 26, 2016 16:48 as a reply to  @ Talley's post |  #283

I'm not familiar with the 7D, does the screen light up in red or the AF light up in red? thanks.


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Aug 26, 2016 16:48 |  #284

todmac wrote in post #18107369 (external link)
Seems to be a lot of TV talk...

Yes. If we are going to to derail a thread, frankly I want to talk about carbine harvesters. 8-)


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Aug 26, 2016 16:54 |  #285

Canon 5D IV manual.
http://support-sg.canon-asia.com …nts/SG/EN/03024​97001.html (external link)


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