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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 26 Aug 2020 (Wednesday) 09:33
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-= Canon EOS R6 owners unite! Post photos and discuss.

 
RayinAlaska
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May 07, 2021 16:11 |  #2356

Lienvg wrote in post #19232661 (external link)
Hi,

Yesterday I wanted to make a photo far off so I put the RF 2.0 extender on the RF 100-500 (and R6): Turned camera off, put ext. on the lens and then on the R6, turned camera on, red light blinks a bit and then: nothing. Took out the battery and back in turned on camera: red light turns on and stays on but nothing happening. Tried 3, 4 times putting it back and on and off (also removing extender etc) after about 5 times I got it working. Today I tried it at home and after 3 times gave up: red light goes on and nothing happening.
Anyone any ideas? I did have it on the R6 with RF600mm a while back and that worked without a problem.

Also I'm very frustrating with the wifi/bluetooth/camera app/gps data thing, most of the time it doesn't work (properly). Like with the extender thing, putting camera off/on it turned out that there was except for about 5 photo's no location data recorded and the 5 recorded the location for my home, while the photo's where taken somewhere else. This happens almost always, while staying in a rented house a few weeks ago allmost all the data that was recorded was the house I was staying in!. So it is really a function that is a bit useless!

Apart for these thing I am enjoying the R6 and the RF100-500 very much!!

Lien

Maybe the lens is retracted to the minimum allowed with the TC? Zoom the lens a little past 300mm and see it the light comes on, keeping in mind that with the TC attached to the lens, it does not work from 100 to 300mm. The TC only works from 300-500mm, and the lens won't retract from 300-100mm. To transport this lens, the TC should be removed, and then the lens can be retracted.




  
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A1original
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May 07, 2021 16:46 |  #2357


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Canon EOS R6lCanon RF 24-105L| RF 50| RF 24-240| RF 800 and a bunch of Canon L lenses
https//www.flickr.com/photos/​iseiler (external link)
Ira. “No one here gets out alive”

  
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basketballfreak6
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Post edited 2 months ago by basketballfreak6.
     
May 07, 2021 18:00 |  #2358

amyandmark3 wrote in post #19232804 (external link)
I just watched parts of that video. It seems that his tests consisted of putting his lens cap ON the lens and taking long exposures? Is there a real world application where one would find this problem to exist? I dabble in landscape photography, but nothing much over 60 seconds or so. If there's a real world test I can do, I'd be happy to try it out. I'm heading out tonight to take some milky way pics, but those will only be 15-20 secs. exposures.

Hey thanks for the response.

While taking a shot with lens cap on is not real world application it does give a good indication of dark current noise performance. It's not that uncommon for me to expose for 2 minutes or longer (especially when I do Milky Way nightscape where I am exposing 4 minutes for the foreground). As an example my copy of 5D4 had issues with the sensor and even at 2 minutes exposure shooting sunset a slight 1 stop push in the shadows the image would be glittered with hot pixels and I was able to confirm that issue by doing a simple lens cap test comparing to my mate's 5D4.

Also for Milky Way I often track so I am exposing 2-3 minutes at a time too so when you stretch out the image those dark current noise becomes a real concern.

IMAGE: https://live.staticflickr.com/65535/48616066713_39801a470e_b.jpg
IMAGE LINK: https://flic.kr/p/2h53​3SM  (external link) Milky Way over Lake Moogerah (external link) by Tony (external link), on Flickr

But yea if you get the chance to shoot like a long exposure (1.5-2 minutes) sunset or sunrise where you'd have to push the shadows in post due to exposure difference between sky and foreground that would be awesome thanks!

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Tronhard
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May 08, 2021 00:12 |  #2359

Today is VE day - Victory in Europe Day, when combat finished between the western allies and German forces. Interestingly, the Soviet Union set May 9th as their VE day.

Given the occasion, it seemed apropos to visit the Auckland War Memorial Museum- originally constructed for the dead of WWI, but has extended its purpose to honour the fallen for all conflicts since then.
As you can see, it was a pretty quiet place


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But then a mother and her toddler came along - it is fitting that he may play in blissful ignorance on this hallowed ground.


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"All the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris
We aren't remembered for the gear we use, rather the quality of the images we create. Me...

  
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Lienvg
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May 08, 2021 00:55 |  #2360

RayinAlaska wrote in post #19232849 (external link)
Maybe the lens is retracted to the minimum allowed with the TC? Zoom the lens a little past 300mm and see it the light comes on, keeping in mind that with the TC attached to the lens, it does not work from 100 to 300mm. The TC only works from 300-500mm, and the lens won't retract from 300-100mm. To transport this lens, the TC should be removed, and then the lens can be retracted.

Yes I’m aware of that, the lens was fully extracted.
I have written to Canon support but have not yet got a reply from them. I’ll wait for that.

Lien




  
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A1original
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May 08, 2021 06:16 |  #2361


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Canon EOS R6lCanon RF 24-105L| RF 50| RF 24-240| RF 800 and a bunch of Canon L lenses
https//www.flickr.com/photos/​iseiler (external link)
Ira. “No one here gets out alive”

  
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A1original
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May 08, 2021 08:29 |  #2362


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Canon EOS R6lCanon RF 24-105L| RF 50| RF 24-240| RF 800 and a bunch of Canon L lenses
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Ira. “No one here gets out alive”

  
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John ­ Sheehy
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May 08, 2021 08:33 |  #2363

amyandmark3 wrote in post #19232804 (external link)
I just watched parts of that video. It seems that his tests consisted of putting his lens cap ON the lens and taking long exposures? Is there a real world application where one would find this problem to exist?

That is the simplest way to examine the character of the noise, without the influence of signal. It leaves a variable, though, as you don't know how strong that noise is against signal, if you're going to compare cameras. For that, you need to normalize the way that these dark frames are pushed, which may require some calculation and access to the actual RAW values to double-check for consistency.




  
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Jorgac
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May 08, 2021 09:00 |  #2364

A journey of giraffes.


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Name is Charles

  
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Capn ­ Jack
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May 08, 2021 10:10 |  #2365

John Sheehy wrote in post #19233056 (external link)
That is the simplest way to examine the character of the noise, without the influence of signal. It leaves a variable, though, as you don't know how strong that noise is against signal, if you're going to compare cameras. For that, you need to normalize the way that these dark frames are pushed, which may require some calculation and access to the actual RAW values to double-check for consistency.

No need to push anything. If you have access to the RAW data, just read the intensity. This means no need to "normalize" pushing the data, either. Probably the "easiest" tool for that is ImageJ, although you may need to tell it how to read the RAW file. But once you read the file, it has enough math and statistics for anything you may need. Otherwise, one writes a program and reads the data. That's really over-kill for 99.99% of us on this board.




  
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duckster
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May 08, 2021 12:33 |  #2366

Jorgac wrote in post #19233067 (external link)
A journey of giraffes.
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forum: Canon EOS Digital Cameras

Nice image!




  
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Jorgac
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May 08, 2021 12:47 |  #2367

duckster wrote in post #19233137 (external link)
Nice image!

Thanks Duckster!


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i-G12
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May 08, 2021 16:24 |  #2368

Jorgac wrote in post #19233067 (external link)
A journey of giraffes.
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Hosted photo: posted by Jorgac in
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Beauty Charles.


Seems you’re using that RF 70-200 quite a lot.




  
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Jorgac
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May 08, 2021 19:42 |  #2369

i-G12 wrote in post #19233208 (external link)
Beauty Charles.

Seems you’re using that RF 70-200 quite a lot.

Thanks so much, yip, this lens is a real beauty. Apart from the quality of the optics, the other game changer is that I can now easily fit my 500 f4, 16-35, the rf 70-200, R5 & R6 in one bag. Only downside is that it won't take a teleconverter but I don't really use them that often.


Name is Charles

  
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Don1
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May 08, 2021 20:16 |  #2370

A Yellow Warbler in song.

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Yellow Warbler (external link)] by Don Cassel on Flickr

Don
Canon EOS R6, Canon 5D Mark III, Canon 7D Mark II, Canon EF 70-200mm F4 L IS, Canon EF 100-400 L IS II, EF 24-105mm, EF 16-35mm f/4 L IS USM, Canon EF 300mm f/4 L IS USM
See my photos on My Flickr (external link)

  
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