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 Post subject: Canon 100-400mm zoom lens owners
Unread postPosted: Thu Feb 18, 2010 8:17 pm 
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Joined: Wed Dec 02, 2009 5:11 pm
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Hi I have just bought myself a 100-400 canon zoom lens and was browsing through the manual. I see the tripod mounting bracket can be removed. What I would like to know from people who have this lens is if it is better to keep this bracket on and rest this tripod mounting foot on the bean bag or should I remove this tripod bracket and just rest the lens on the bean bag


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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Thu Feb 18, 2010 8:19 pm 
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Location: mind in SA, body in The Netherlands
I keep it, but turn it either to the right or left
So i have a extra resting point on the bean bag

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Thu Feb 18, 2010 8:57 pm 
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Joined: Fri Oct 31, 2008 10:25 pm
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Location: Centurion
I added a Panning Plate to the mounting bracket for stability and comfortable lens movement.


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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Thu Feb 18, 2010 9:38 pm 
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:thumbs_up:

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Thu Feb 18, 2010 11:15 pm 
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depend of if you travel... by plane... a little bit heavy.... :| (each gram count)
here, I let it in place... like already said, it's good for stability on the beans bag :D

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Thu Feb 18, 2010 11:25 pm 
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Joined: Thu May 14, 2009 8:48 am
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.


Last edited by eos5d on Mon Feb 22, 2010 8:57 pm, edited 1 time in total.

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Fri Feb 19, 2010 12:52 am 
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Hi garrow,

I'm a Nikon man and had the same doubts you had. Carrying around my 80-400 mm became normal routine in KNP and the collar came in real handy.

One of the problems everyone has is how to obtain the extra stability with such a heavy lens and I resolved it my way
Image
Image

A small chunk of compacted foam, this one was used for industrial packaging!, some Velcro tape and I had myself a very light and useful all round support. Worked wonder on anything, including car windows!

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Mon Feb 22, 2010 12:58 pm 
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Joined: Thu Sep 07, 2006 10:25 pm
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Location: Margate KZN
I also have the same Canon lens and also leave the bracket on. I do,however, have anothet question about the quality of photos taken with the 100-400 lens ; When in Kruger I download the days photos on my notebook and when I get home I transfer all the photos from the notebook with a flash drive to my home computer. The question is ; Do I loose image quality because I transfer photos twice? I use jpeg because the notebook do not accept photos taken in RAW format. I apologise if this is not the correct place to ask.

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Mon Feb 22, 2010 1:20 pm 
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Good morning Shirleymargate,

Now, let's try and give you a clear answer.
First of all RAW quality is nothing else but the picture as you have taken it, that is with no elaboration on quality and colours. Jpg on the other hand is a format after it has been elaborated by the camera software and file is a lot smaller.
I use Nikon and I shoot and have two format's NEF (same as RAW) and Jpg High Quality.
I use the Jpg for normal web use and use the NEF file when I want to elaborate it myself and maybe highlight a single colour etc.

Both Canon and Nikon actually provide you with a dedicated software for downloading in both formats and your laptop should have no problems in downloading RAW but unless you have the right software you will not be able to view or work on them.

Moving or saving files from one place to the other, from camera to a memory and then to Pc, should not create any problem or loss of quality.

Hope it helps

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Mon Feb 22, 2010 1:27 pm 
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Keep the collar on the 100-400 for the reasons mentioned, and because it's a really expensive bit to replace when you lose it!

Shirley: Juggling files doesn't do anything to them. They copy bit for bit, and are perfect copies. (Unless your hardware is faulty.)
The notebook will accept RAW files, just install the program from Canon which came with thye camera.
And shoot in RAW!
You will loose photos by shooting JPEG, as it's hard to change exposure and such. In your RAW editor it's just a click...

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Mon Feb 22, 2010 5:09 pm 
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Joined: Thu Sep 07, 2006 10:25 pm
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Location: Margate KZN
RUMURUTI and DuQues - thank you for your input.
I have downloaded the Canon software on my computer at home and when I am at home I shoot in RAW format. The problem is that my new notebook is unable to accept the Canon software - problem with the resolution. Any suggestions? Once again - thank you for your help.

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Mon Feb 22, 2010 5:26 pm 
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Eh... Yes.
The software you need is the EOS Utility, that just copies the files, with no regard to resolution.
What you indeed do not want to do is to open them with ZoomBrowser or such.

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Mon Feb 22, 2010 7:52 pm 
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refering to the above on jpegs I read on one of the photography forums that each time a jpeg is copied from a copy a certain amount of detail is lost, this I found hard to believe but have certainly experienced this when copying between different programs and with copies of copies there has ben a marked loss of clarity and detail. I maintain and store all originals in raw for this reason.


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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Mon Feb 22, 2010 8:46 pm 
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If you edit a jpeg detail is lost, always. It's recompressed, and jpeg-compression is lossy.
If you open a jpeg, using any program, nothing happens. Well, if using a proper program you will see the photo on your screen.
Depending on what the program uses to show it on the screen you can see differences though. The file itself is in no way altered though.

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 Post subject: Re: Canon 100-400mm zoom lens owners
Unread postPosted: Tue Feb 23, 2010 6:05 am 
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Location: Canada - West Coast - Victoria
Hi Garrow,
I leave mine at home due to the weight and size of it, I have a camera bag that I use for the park and the bracket wont fit in it, what I have found to be very effective is a couple lengths of pipe insulation that comes split down one side so it fits perfectly on the window, I have found this better than a beanbag because I just leave it on the window all the time and its a great rest.

Image


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