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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras
Thread started 24 Aug 2009 (Monday) 15:23
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Firmware hack Rebel XTi /400D enables ISO 3200, Spot metering!

 
raingrove
Junior Member
23 posts
Joined Aug 2009
Singapore / Seoul / Hong Kong
Aug 24, 2009 15:23 |  #1

THIS IS UNBELIEVABLY AWESOME!

Guys at CHDK made it again! (Thanks thaibv and foldsea @ CHDK!!!)

A firmware hack for Rebel XTi / 400D that enables additional features such as ISO 3200 (and other ISOs in between like 500, 640, 120, 1250 etc) and SPOT METERING (yes! spot metering!) has been released and it works pretty darn well!

For more information and the required files, please refer to:
http://chdk.setepontos​.com/index.php...,3290​.135.htmlexternal link

Use testfir.fir to make your 400d bootable from CF and then make your CF card bootable using cardtricks. (choose CF boot sector option) Copy the hack file (autorun.bin) into the CF.

Once all is done correctly, insert the CF and turn the camera on. The print button will light up (blue) momentarily to show that the hack has been loaded.

To change ISO, go to ISO menu to choose baseline ISO and then push the print button several times to switch to other ISOs. (ISO number in the screen will change accordingly)

100 - 100 / 125 / 160 / 80
200 - 200 / 250 / 320
400 - 400 / 500 / 640
800 - 800 / 1000 / 1250
1600 - 1600 / 2000 / 2500 / 3200

To use spot metering go to metering menu, and then push print button. Camera will beep and spot metering will be enabled.

To start the camera without the hack, insert other non-hacked CFs or just format the CF.

--------DETAILED HOWTO--------

1. use a fully charged battery. you need CF card reader and windows. on a mac, use windows under bootcamp/vmware fusion.

2. update to latest firmware (1.1.1) by downloading the latest firmware, copying it into the root of CF, and running "update firmware" in the setup menu.

3. empty your CF, download testfir.fir from http://chdk.setepontos​.com/index.php/topic,1​618.0.htmlexternal link and copy it into the root of your CF.

4. insert CF, and then run firmware update again using testfir.fir the screen will go blank. wait 5 minutes, turn off, take battery out and back in.

5. insert CF into card reader and perform a quick format.

6. --------------- UPDATED INSTRUCTIONS FOR BOTH < 4GB (fat16) AND > 4GB (fat32) CARDS: ---------------

download cardtricks 1.45 : http://chdk.setepontos​.com/index.php/topic,4​214.0.htmlexternal link (first download link). Run it to self extract the archive. Run the binary extracted, choose CF drive, tick "cf boot sector" and then click "make bootable."

7. download latest autoexec.bin from here: http://code.google.com​/p/400d/downloads/listexternal link rename it to autoexec.bin then copy the file to CF card.

8. safely remove CF, insert it into camera, if the blue print led of the camera briefly lights up when the camera is turned on, the hack is successfully loaded.

9. to use additional ISO values, choose one of the 100,200,400,800,1600, and then push the print button to access more ISOs. (80/100/125/160/200/25​0/320/400/500/640/800/​1000/1250/ 1600/2000/2500/3200)

ISO levels 16/32/40/50 can also be enabled if you go to menu and turn "shoot without CF" ON, but not sure if they really work (i see no difference.)

10. to use spot metering, go to metering selection screen, then push the print button. to go back to "evaluative metering", you have to select other metering modes first, and then back to "evaluative metering", because the camera thinks you are at "evaluative" although you are at "spot metering".

11. to view shutter actuation count, which was only viewable by canon themselves, go to menu, push print button, push menu button again twice, ("factory menu" appears), enter factory menu, then push print button to enter "debug mode". after a beep, go back and set spot metering. and you will see the camera writing something to the CF (CF light). eject CF, insert it into card reader, you will see a file called STDOUT.txt, search the textfile for "Release". there you see a number and that is the shutter count.

thanks very much thaibv and Foldesa of CHDK for this wonderful hack.

- raingrove




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raingrove
THREAD ­ STARTER
Junior Member
23 posts
Joined Aug 2009
Singapore / Seoul / Hong Kong
Aug 24, 2009 15:47 |  #2

preview:

IMAGE NOT FOUND IMAGE IS A REDIRECT OR MISSING!
http://img263.imagesha​ck.us/img263/3083/400d​hack.jpg (external link)
HTTP response: NOT FOUND | MIME changed to 'image/png'



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WT21
Goldmember
1,319 posts
Joined Feb 2008
Aug 24, 2009 16:48 |  #3

Cool!


6D: 50, 85, 28-75, 70-210USM, 430EXii.
EOS-M: 22, 18-55

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KCmike
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Joined Dec 2008
Kansas City
Aug 24, 2009 17:54 as a reply to WT21's post |  #4

I can't seem to find it?


Canon 60D, 24-105L f4, 70-200L f4, 50mm f1.8, 10-18 f/4.5-5.6

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woos
Goldmember
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2,214 posts
Joined Dec 2008
a giant bucket
Aug 24, 2009 18:13 |  #5

Incredible...the 450d and 1000d also run VxWorks right, not DryOS?

So in theory if this gets developed further it should be fairly easy to get going on a rebel xs or xsi as well! Always made me sad that the xs and xsi don't have an in camera iso 3200 option as their high iso performance is so good. :(

Unfortunately getting video to work on the xsi (ie dumping the live view data as a mjpeg avi to the sd card) would be way, way, more difficult so don't get your hopes up for that lol.


amanathia.zenfolio.com

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Mashimaro
Senior Member
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809 posts
Joined Jun 2009
Vancouver
Aug 24, 2009 18:13 |  #6

that's pretty neat!


Canon 5D Mk III | Canon 24-70 F2.8L II | Canon 85 F1.2L II | Leica M240 | Sony A7R

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monty28428
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9,771 posts
Joined Jul 2007
Carolina Beach
Aug 24, 2009 18:22 |  #7

KCmike wrote in post #8516551external link
I can't seem to find it?

go here ->external link Linkexternal link




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raingrove
THREAD ­ STARTER
Junior Member
23 posts
Joined Aug 2009
Singapore / Seoul / Hong Kong
Aug 25, 2009 06:36 as a reply to monty28428's post |  #8

moved it to the top of the thread




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Paul ­ Li
Goldmember
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1,144 posts
Joined Apr 2009
Long Island
Aug 25, 2009 10:11 |  #9

WHAT!!!??? What about the 1000D? :(:(:(


Flickrexternal link
XS,AE-1,50 f1.8,430EX II+V4's,18-55IS,FD 50mm
Leave the IS on

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griptape
Goldmember
2,037 posts
Joined Feb 2007
Home
Aug 25, 2009 11:01 |  #10

CHDK has put out some pretty awesome stuff, but spot metering on a 400D is pretty incredible. The expanded ISO 3200 is the same as taking a shot at ISO 1600 and raising the exposure a full stop in post processing, so I'm really not impressed by that. But good for them. Now how about video on my 50D? Not that I'd really use it, but I could at least feel better standing next to someone with a 5DII.




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JAcosta
Goldmember
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1,522 posts
Joined Apr 2007
Korea
Aug 25, 2009 11:07 |  #11

My wife will like this. She has a 400D that she wishes had spot metering.


Like any of the photos Ive posted?flickr flickr flickrexternal link
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Chances are you'll see something else you like!

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BlackPuma
Member
81 posts
Joined May 2008
Lisbon, Portugal
Aug 25, 2009 11:24 |  #12

Very nice hack!


ßlackPuma
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Gear: CANON EOS 5D+Grip; Sigma 12-24mm f/4.5-5.6 EX DG ASP HSM; Canon EF-S 10-22mm f/3.5-4.5 USM; Canon EF 70-300mm f/4-5.6 IS USM; Canon EF 50mm f/1.4 USM; Canon EF 100mm f/2.8 USM MACRO; Kenko Macro Extension Tubes Set

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TeamSpeed
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29,354 posts
Gallery: 40 photos
Joined May 2002
Northern Indiana
Aug 25, 2009 11:27 |  #13

That is simply very cool, finally a great use for that print button, let's rename it to the "direct-hack" button!


Past Equipment | My Galleryexternal link
Resources For Sale: High ISO Denoiser Actionexternal link | Focus Genie

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BlackPuma
Member
81 posts
Joined May 2008
Lisbon, Portugal
Aug 25, 2009 11:44 |  #14

TeamSpeed wrote in post #8520435external link
That is simply very cool, finally a great use for that print button, let's rename it to the "direct-hack" button!

I agree! Direct-Print is almost useless anyway...:cool:


ßlackPuma
myFlickrexternal link / Olharesexternal link
Gear: CANON EOS 5D+Grip; Sigma 12-24mm f/4.5-5.6 EX DG ASP HSM; Canon EF-S 10-22mm f/3.5-4.5 USM; Canon EF 70-300mm f/4-5.6 IS USM; Canon EF 50mm f/1.4 USM; Canon EF 100mm f/2.8 USM MACRO; Kenko Macro Extension Tubes Set

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sd850is
Member
103 posts
Joined Jun 2009
91702
Aug 25, 2009 14:48 as a reply to BlackPuma's post |  #15

sweeeeeeeeeeeeeeet imma try this when i get home tonight :D


7D and T1i |17-55mm f/2.8|50mm f/1.4|Sigma 30mm f/1.4|70-200mm f/2.8L IS|55-250mm|580EXII
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Firmware hack Rebel XTi /400D enables ISO 3200, Spot metering!
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