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Exodisk with a point & shoot?
Hi,.

I'm new to photography (and this forum) and because I like to travel a lot, I thought it best for me to get a smaller lighter camera. Based on all the reviews I've read, I decided on the Canon G9 as it was rated to be as close to an DSLR as a point & shot could get..

I'm currently taking a digital camera class and of course my camera is the smallest, but the instructor was talking about WB and mentioned the Expodisk and how well it works for digital photography. I of course want to take the best photos I can so I went looking for an Expodisk to use with my camera, but the only ones I found were for DSLR's..

So my question to the experts here, is will the Expodisk work with a point & shoot, and if so what size Expodisk should I get, and how would I use it? Should I put it right up against the lens?.

Thanks,..

Comments (18)

I'd take that expodisk money and put it toward something more useful. Use the built in settings or custom white balance to get 98% there, shoot raw to give you the remaining 2% lattitude..

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Even if you can't donate, please help spread the word...

Comment #1

Your right,.

I know their expensive, but the examples I've seen on other post of the before and after shots are impressive. and Like I said, I'm a newbie and working with RAW is a whole other subject, one I'm eager to learn though. But for now, the less work I have to do editing my photos (lightroom) the better for me...

Comment #2

Canon Auto WB is good enough. I always shoot RAW, and found the Digital Photo Professional (shipped with G9?) is the best and fastest software to tweak the images. I stopped using Photoshop, unless I need some fine tuning.YongboPhoto Gallery: http://www.photo96.com/Blog: http://www.photo96.com/blog/index.php.

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Comment #3

The expodisk is a pretty expensive gadget considering that you can can perfectly usable WB by shooting a white card. Even shooting a piece of foamcore will work and that is a helluva lot cheaper..

Dpreview & pbase supporterhttp://www.pbase.com/digirob..

Comment #4

Honestly, I haven't even taken very many pictures with the G9 so I don't really know how good or bad the WB is, but I set the WB to indoor and my indoor photos look rather yellowish? I'm sure that's just my inexperience so I'll just take your word for it as you are obviously a MUCH better photographer than I am!.

Thanks..

Comment #5

If you shoot RAW, just change the color temperature, at certain temperature, you will get exact the same result from the Expodisk. Here are two pictures just few minutes apart (same location), the color temperature was set to somewhere around 3000 on the first one, and 15000 on the second one:.

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The original picture: http://www.photo96.com/tr/ps/raw_01.htm.

YongboPhoto Gallery: http://www.photo96.com/Blog: http://www.photo96.com/blog/index.php.

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window..

Comment #6

Amazing! You make it sound too easy, and you used Digital Photo Professional for that, or did you set the color temp on your camera some how? I told you I'm new:-).

The second one is now my new wallpaper! Very nice work!..

Comment #7

Those two were done in Photoshop. Digital Photo Professional was not shipped with my old 300D. The following two pictures are from Digital Photo Professional. In order to get the smooth color, the exposure must be close to perfect. There are a lot of bars that you can drag, just try all of them and see what happened..

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YongboPhoto Gallery: http://www.photo96.com/Blog: http://www.photo96.com/blog/index.php.

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window..

Comment #8

Ok,.

I'll try the white paper before I spend that much money..

Thanks..

Comment #9

I will have to play with Digital Photo Professional tonight. I've only used Lightroom..

You should be very proud to be able to take and complement such beautiful pictures of nature..

Great work!..

Comment #10

Instead of using auto WB, manually set the WB in the camera before shooting. Personally, I find that the best alternative. At least it gives consistant results..

The expodisk is an expensive gadget that is way overpriced, in my opinion. I can think of many other gadgets that are cheaper and more useful..

The greatest of mankind's criminals are those who delude themselves into thinking they have done 'the right thing.'- Rayna Butler..

Comment #11

Aaa247 wrote:.

...but I set the WB to indoor and my indoor photos look rather yellowish?I'm sure that's just my inexperience....

This is a matter of individual taste. Not unusual for digital cameras to get it "wrong"..

Good Day,Roonal.

'Money doesn't buy happiness, but it makes for an extravagant depression' by golf tournament sportscaster..

Comment #12

Thanks for the kind words. All I have to say, Canon did a great job, and we are lucky live in a digital age.YongboPhoto Gallery: http://www.photo96.com/Blog: http://www.photo96.com/blog/index.php.

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window..

Comment #13

Yeah, Expodisc sounds cool and the results look great on the website..

What the website doesn't tell you is that you can get the same results by shooting a gray card (or white piece of paper)..

The other unfortunate thing is that it is an incident light system. You have to go to the object you're shooting and point it at the area you will be shooting from to get an accurate result..

With the gray card, just put the gray card in your scene, set the WB based on that, and you'll be on your way..

The same problem with other fancy gray card systems, like WhiBal. Why spend $30-$70 on a white balance system when you can get a $5 gray card?..

Comment #14

Gusmahler wrote:.

With the gray card, just put the gray card in your scene, set the WBbased on that, and you'll be on your way..

How does putting the card in the scene change the WB? Don't you have to put it in front of the lense first?.

Yongbo,.

I did not get Digital Photo Professional with my G9, but I might buy it to play around with. I finaly took a bunch of photos with my G9, set it to AWB and played with diferent ISO's at the beach near dusk. Then I went into a little store that sells sea shells and stuff to take pictures of different shapes and colors indoors. All my photos were in RAW&JPEG. The AWB did a pretty good job with the JPEG's. I used Lightroom to work with the RAW, and by the results I think I will need to take some classes:-) They actually turned out good, but could have been a lot better.



Tis better to have tried in vain, Sincerely striving for a goal, Than to have lived upon the plain An idle and a timid soul..

Edgar A. Guest..

Comment #15

Aaa247 wrote:.

How does putting the card in the scene change the WB? Don't you haveto put it in front of the lense first?.

There's a few different methods to setting the white balance: either at the time of capture or after the fact in post-processing..

1) Can use a grey card by holding it in the lighting that is lighting the scene, pointing the camera at the card, filling the frame, and setting a custom white balance..

Delta Grey Card.

Http://www.bhphotovideo.com/.../101853-REG/Delta_22030_Gray_Card_8x10_1_.html.

2) Can use a white balance card such as WhiBal or Qpcard, place it in the scene for a test/reference image, take a picture, remove it from the scene, take a bunch of pictures under the same lighting, in post-processing use the test/reference image with the card to set the white balance then can apply that setting to all the other images (taken under the same lighting)..

WhiBal Grey Cardhttp://www.rawworkflow.com/products/whibal/index.html.

Qpcardhttp://www.qpcard.se/BizPart.aspx?tabId=28.

3) Can use a device such as the expodisc to set a custom white balance at the time of capture. I believe it works by placing it on the lens, pointing the camera at the light source, then using the image captured to set a custom white balance on the camera..

I did not get Digital Photo Professional with my G9, but I might buyit to play around with..

Don't think it's for sale - it's a program that Canon provides for free, but one may have to already have a previous copy on their computer in order the load the downloaded copy..

I used Lightroom to work with the RAW... I just don't know what all thosecontrolls really mean to the photo..

"Adobe Photoshop Lightroom Book for Digital Photographers".

Http://www.amazon.com/...Lightroom-Digital-Photographers-Voices/dp/0321492161.

Lightroom Resource Centerhttp://www.photoshopsupport.com/lightroom/tutorials.html.

Lightroom Tips & Trickshttp://www.luminous-landscape.com/.../reviews/software/lightroom-tips.shtml.

Good Day,Roonal.

'Money doesn't buy happiness, but it makes for an extravagant depression' by golf tournament sportscaster..

Comment #16

Have you considered a WhiBal G6 card? It comes in several sizes and it can be used to set a custom in-camera white balance as well as working with RAW and JPEG color balance. It's also tested with a $4500 spectrophotometer for accuracy and has several other benefits. I've been playing around with mine recently and I love it!..

Comment #17

Glitched wrote:.

Have you considered a WhiBal G6 card? It comes in several sizes andit can be used to set a custom in-camera white balance as well asworking with RAW and JPEG color balance. It's also tested with a$4500 spectrophotometer for accuracy and has several other benefits.I've been playing around with mine recently and I love it!.

I finally understand (basically) how the WB works and how to use it. I looked into the WhiBal and will probably order the smaller one. Lightroom makes it really easy to adjust the WB in RAW so I will have to take a picture of the WhiBal first, then use the WB eye dropper in Lightroom and click on the WhiBal pic to adjust WB in the photos..

Thanks for everyones help!..

Comment #18

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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