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HelicopterAerial Photography and Video › Canon EOS Rebel XSi
12-24-2008 11:53 PM  8 years agoPost 21
Badllarma

rrApprentice

North West UK

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Hehe cheers guys just did a weight test between a 450D and my 40D lens is the Sigma EX 17 - 35 mm.

40D with above lens
1303 grams

450D with above lens
987 grams

450D with standard lens 18-55 mm
750 grams

Just tested my Hawkeye 28(not a heli) today and flew like nothing was on it with a 630 gram weight on it so may give the 450 ago at a later date if it's owner will let me

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12-25-2008 12:29 AM  8 years agoPost 22
Louisiana Helicam

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West Monroe, LA

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I use the XSI in shutter priority mode. Manual focus. Sigma 17-35mm lense. RC-Flysoft shutter switch.

www.louisianahelicam.com

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12-25-2008 10:35 AM  8 years agoPost 23
Hogster

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Surrey, UK

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Malcolm - 300g saved = more flight time and reduced stress on the helicopter Also it will be useful to have an extra body for backup purposes if I'm shooting something critical with the 40D ....

Louisiana - Ahh that's the sort of switch I was thinking of Are you using the 'single' switch or the 'double opto' switch?

http://www.rc-flysoft.com/pages/switchidx_e.htm

I also remembered the company I was thinking of:

http://www.dimensionengineering.com/PicoSwitch.htm

Looks like a neat setup

HAPPY CHRISTMAS ALL!!!

David

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12-25-2008 02:08 PM  8 years agoPost 24
Louisiana Helicam

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West Monroe, LA

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I'm using the double switch although I believe the single would suffice.

www.louisianahelicam.com

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12-25-2008 05:39 PM  8 years agoPost 25
monterey_tip

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Monterey, Ca - USA

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Here's what I use on a Canon. (Don't have one at the moment, but still have the switch) It is light and easy to use. I modified it by soldering the blue wire to the ground allowing focus and shutter in one movement. Does burst mode, and if you hold it open it will work as an intervoltometer and shoot every 5 seconds. I have one for my Nikon D300 also, but it cost a lot more due to their propietary connectors. Yes, you can buy a switch and make your own, but this works for me. I did buy a flysoft switch a long time ago and didn't like it because it had a lag in operation.

Tip

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12-27-2008 05:11 PM  8 years agoPost 26
daytonabeach

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Oslo, Norway

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Since theres no direct answer in this thread that the 450D works in LW with autofocus triggered by a remote, ill ask that specific question;

Can anyone confirm that they can autofocus in live view on the 450D when using a remote shutter release?

If so, what remote shutter will that be?

My experience is that the answer is NO here, unless somethings been released the past week...

Never argue with an idiot, he'll drag you down to his level and beat you with experience...

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12-27-2008 06:14 PM  8 years agoPost 27
theslayer

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Munich-Germany

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You using manual focus or have you been able to get it to focus in LV?
There is no problem using AF with Live view.
Well, thats what i found in this thread... perhaps ask PilotDaz

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12-27-2008 06:54 PM  8 years agoPost 28
PilotDaz

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Seattle, WA

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My apologies, I wasn't clear enough:

You can use AF with Live View but it does require another button to be pressed (the AE button) to trigger the AF. So for remote purposes, this would obviously add extra complexity and you're probably better off using MF set to infinity.

~Team Collective Mayhem - "My anger management class really PISSES ME OFF!"

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12-27-2008 07:01 PM  8 years agoPost 29
daytonabeach

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Oslo, Norway

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So, since were in the AP section the conclusion will be, no you cant

Also remember that manual focus set to infinity doesnt always automatically gives you 100% focused pics...

Thats why i went for a small video cam/lens mounted beneath the gimbal and hooked that one up to the downlink instead, and skipped the LW, instead using the regular Tv mode so the autofocus works along with a remote from Gentled

Never argue with an idiot, he'll drag you down to his level and beat you with experience...

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12-27-2008 07:11 PM  8 years agoPost 30
theslayer

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Munich-Germany

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Hmm, if just one button has to be pressed, can it be pressed continuesly? Then a peace of tape, or something coming from the mount could press it down..

Well, i prefer using MF anyway... Looking forward to getting one, probably before next summer...

Daniel

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12-27-2008 07:16 PM  8 years agoPost 31
daytonabeach

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Oslo, Norway

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No, it has to pressed and released, and no tape are able to hold that one down, its one of the small round ones

Never argue with an idiot, he'll drag you down to his level and beat you with experience...

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12-27-2008 07:27 PM  8 years agoPost 32
wjw

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Cape Coral, Florida​usa

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Are any of you guys able to shoot pannos with the 17mm lens?
On the XSi a 10mm lens is more expensive than the camera itself.
I know this is normal but.............dammmmmmm
has anyone tried a wide angle converter? too fuzzy around the edges?
Suggestions anyone

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12-27-2008 07:31 PM  8 years agoPost 33
theslayer

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Munich-Germany

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Damn, i see it coming, this thread is going to be a bible for comming Eos 450 Users like me...

Well, shame about that button... i bet there will be a switch some day, or you will have to shoot without Live view, or we will have to hope that CDHK will bring something up... Anyone know if there is a CDHK hack for it?

And i'd be really interested (too) to know if the 18-55mm Stock lense is capable for panos ...

Daniel

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12-27-2008 07:55 PM  8 years agoPost 34
daytonabeach

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Oslo, Norway

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LOL, Its CHDK, which stands for Canon Hackers Development Kit, and does not support any dslrs.

Shooting panos with effective 28mm? You will have to shoot aaaallot of pics in every directions to make that possible, and by the time youve finished, your heli will be way of from where you started...

Feel free to correct me if im wrong about that

Never argue with an idiot, he'll drag you down to his level and beat you with experience...

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12-27-2008 08:02 PM  8 years agoPost 35
theslayer

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Munich-Germany

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Well, read something about CDHK-Teams developing something for the 40D, so i can't imagine why they shouldn't try it for the 450D...

Yeah, probably need a lot of Photos, but if you do them quick enough... who knows...

One question i've had, and never had a 450D user to ask them too If You activate RAW and full resolution, and start shooting at 3,5 Pics/sec, how long does it take with a quick SD-Card, till the cam stops to Buffer?

Thanks...

Daniel

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12-27-2008 08:05 PM  8 years agoPost 36
theslayer

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Munich-Germany

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12-27-2008 08:15 PM  8 years agoPost 37
Highviz

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Newbury, Berks, UK

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Daniel - As Daytona said, you can shoot panos with the 18-55 lens - but only practical for partial panos from a helicopter. You can do 180 degrees ok, but a full 360 spherical needs a wider angle lens to cut down the number of shots required.

On the question of how many raw shots fill the buffer - it's normally 6 before the shooting rate drops.

Malcolm

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12-27-2008 08:25 PM  8 years agoPost 38
theslayer

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Munich-Germany

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Ok...
while we are about it, anyone tested some good wide-lenses or even fisheyes on the Eos 450D and cares to share some of their experiences?

Which one did (do) you like?

daniel

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12-27-2008 08:33 PM  8 years agoPost 39
Hogster

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Surrey, UK

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The Sigma 8mm / 10mm seem to be pretty popular ... the 4.5mm has even more coverage but at the loss of some resolution as that lens creates a circular image in the middle of the frame, rather than completely filling the frame .... see here ...

I will be using a 10-22mm with mine as I already own that lens

David

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12-27-2008 08:35 PM  8 years agoPost 40
Highviz

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Newbury, Berks, UK

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I use the sigma 10mm f2.8 for spherical panos. It works well for that job, but my only problem with it is that the autofocus is a mile off and pretty much unuseable for me. Having said that, the lens is wide enough that leaving it on manual focus and infinity works fine for most applications.

Malcolm

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