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標題: Grey Card [打印本頁]

作者: 嘉嘉 時間: 2011-7-20 23:18 標題: Grey Card

Does anyone have some ideas on how to DIY a grey card?

作者: lazycow8850 時間: 2011-7-21 00:32

Grey Card is only $5...why bother to make one by urself??

作者: lazycow8850 時間: 2011-7-21 00:33

Grey Card is only $5...why bother to make one by urself??

作者: 嘉嘉 時間: 2011-7-21 00:36

where? @_@

I looked at broadway camera, $30...........+_+

作者: lazycow8850 時間: 2011-7-21 00:39

I saw in Shutter and Lens....only around $5 before.....but I don't know they still have it or not....

作者: 嘉嘉 時間: 2011-7-21 00:51

searched in their website and only came back with 1 result:
Cameron 18% Grey Card 6"x8" $29.99

+___+

作者: MoiRhapsody 時間: 2011-7-21 02:16

it is tough.

作者: lo_pak 時間: 2011-7-21 06:03

回復 6# 嘉嘉

Look it up on eBay, I've got mine for CAD10 after postage and 1-week waiting...

作者: Catpiano 時間: 2011-7-21 06:51

Find a white paper suen la... and shoot raw ...

Or you can get those "GREY LENS CAP" (or white ..whatever, for helping WB, works better then card, and more easy)

Also less then $5 ..White card suen la... and shoot raw ...
Or you can get those "GREY LENS CAP" (or white ..whatever, for helping WB, works better then card, and more easy)
Also less then $5 from HK ..

作者: lo_pak 時間: 2011-7-21 07:56

回復 9# Catpiano

Caps are good if you have only have 1 thread size unless you change all caps for your lens. In addition, if you are having ultra thin filter, you can't use those caps either...

作者: Look4chrisng 時間: 2011-7-21 08:33

coffee filter papers work the same.

If you care for correct color, why not just use a color chart?

If you care for correct exposure, why not just use a light meter?

作者: sheep 時間: 2011-7-21 08:38

I just use printer to print out a 18% grey card

作者: Catpiano 時間: 2011-7-21 09:48

回復 Catpiano

Caps are good if you have only have 1 thread size unless you change all caps for yo ...
lo_pak 發表於 2011-7-21 07:56

That is why .. buy as big as possible .. 77mm .. 82mm ..

Well, I am lazy to do WB tuning .. just shoot raw suen la..

作者: lo_pak 時間: 2011-7-21 09:59

回復 13# Catpiano

People like me are lazy to work on post processing...

作者: siumaibb 時間: 2011-7-21 10:06

some菲林筒蓋係18%grey

作者: 嘉嘉 時間: 2011-7-21 10:13

coffee filter papers work the same.

If you care for correct color, why not just use a color chart ...
Look4chrisng 發表於 2011-7-21 08:33

cuz grey card is easy and cheap (can be)?

作者: 嘉嘉 時間: 2011-7-21 10:15

回復 Catpiano

People like me are lazy to work on post processing...
lo_pak 發表於 2011-7-21 09:59

me too.............lol

I don't shoot raw, unless for very very very important use
if I am to shoot raw I first need to upgrade my CF card and my computer first
(it's a 5yrs old or 6yr laptop that has been recently formatted but still can freezes for no reasons)

作者: 嘉嘉 時間: 2011-7-21 10:15

some菲林筒蓋係18%grey
siumaibb 發表於 2011-7-21 10:06

too small wor..............
plus my camera doesn't even have spot metering +_+

作者: lo_pak 時間: 2011-7-21 10:21

回復 16# 嘉嘉

Seems like using AWB saves you all the trouble except accuracy...

作者: FiChai 時間: 2011-7-21 10:49

Honestly, grey card is important for shooting film. But it's about editing for shooting digital. If you wanna save your time and work on digital editing, then you should shoot film.

作者: Look4chrisng 時間: 2011-7-21 10:59

本帖最後由 Look4chrisng 於 2011-7-21 11:01 編輯

回復 16# 嘉嘉

Go the Home Depot the paint section, they should have a pure white sample paint card. (Good enough for color bal, unless you shoot artworks or product, then you should be really doing colorchart)

作者: FiChai 時間: 2011-7-21 13:37

Honestly, if a grey card is a matter to you, that means you think the actual reflective index is important and critical. Why risk to buy an informal piece of 18%-like grey card from a non-camera store? Knowing that even you think the color might look the same, they might have a different reflective index though. And if you think that's not too critical, then just save that whatever $5 or $30 and use no grey card la!

作者: Look4chrisng 時間: 2011-7-21 14:08

Honestly, if a grey card is a matter to you, that means you think the actual reflective index is imp ...
FiChai 發表於 2011-7-21 13:37

very true. Also remember even if you buy the real Kodak Grey card. It will age, and give you difference readings over time.

Also, it seems no one agreed on the current Dslr are seeing 18% grey either. (some say 16%, but don't quote me on this one, I am not a scientist.)

作者: FiChai 時間: 2011-7-21 14:32

very true. Also remember even if you buy the real Kodak Grey card. It will age, and give yo ...
Look4chrisng 發表於 2011-7-21 14:08

I agree! It's just a piece of paper/cardboard, depends on how the user uses it and it won't last long anyways, color may vary after long time usage under sunlight or rain etc. I do think post processing for digital photography is essential and can't be avoided.

作者: elan7e 時間: 2011-7-21 20:48

回復 4# 嘉嘉

http://cgi.ebay.ca/KONOVA-18-GRA ... hash=item19c5fc89cb

C4.73 free shipping

作者: Catpiano 時間: 2011-7-22 07:07

Or set WB from one of the pic in your camera you like law..

As I somehow like to use flash all the time, (with vary manual output) even I set the WB .. will hv different result ..

Or just set to whatever K value ... then do mild fine tune ..

作者: siumaibb 時間: 2011-7-22 11:23

you want to use to calibrate the WB, EV or both?

作者: 嘉嘉 時間: 2011-7-24 22:41

you want to use to calibrate the WB, EV or both?
siumaibb 發表於 2011-7-22 11:23

both ar~

just thought it might be come in handy sometimes

作者: 嘉嘉 時間: 2011-7-24 22:41

回復嘉嘉

C4.73 free shipping
elan7e 發表於 2011-7-21 20:48

thank you thank you ar

作者: 嘉嘉 時間: 2011-7-24 22:43

Or set WB from one of the pic in your camera you like law..

As I somehow like to use flash all the ...
Catpiano 發表於 2011-7-22 07:07

I don't have the option of setting it to whatever temperature on my camera ar
just a few WB to choose from or custom

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