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DPChallenge Forums >> Hardware and Software >> White Balance Lens Cap
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Showing posts 1 - 15 of 15, (reverse)
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01/01/2009 04:20:15 PM · #1
White Balance Lens Cap

Interesting Idea--kinda pricey though, especially for a collection of lenses. But maybe for the main walk around lens....

commenter said coffee filters work, too--have not tried that. Has anyone else?
01/01/2009 04:31:25 PM · #2
thats a pretty cool idea. i dont know if i would spend that much on it though
01/01/2009 04:32:32 PM · #3
hey thats pretty cool. might have to check that out if the local photo place has any
01/01/2009 04:33:18 PM · #4
Originally posted by cmtc:

thats a pretty cool idea. i dont know if i would spend that much on it though


Yea--I think it just came out--price point is way too high. I expect it won't be too long before it drops.
01/01/2009 04:37:13 PM · #5
Why couldn't you just modify your lense cap with something like a cutout of a milk jug? All that is needed is something that is milky (no pun intended) white to shoot the lighting through.

Message edited by author 2009-01-01 16:37:28.
01/01/2009 04:39:39 PM · #6
Originally posted by kawesttex:

Why couldn't you just modify your lense cap with something like a cutout of a milk jug? All that is needed is something that is milky (no pun intended) white to shoot the lighting through.


is that essentially what the cap is?
01/01/2009 04:48:27 PM · #7
Alot of people use a coffee filter over the front of the lens, or I have heard of a pringles can, or a coffee can lid. I prefer an Expodisk myself.

Matt
01/01/2009 05:12:29 PM · #8
i dunno about that lens cap - but the cyber clean goo paste stuff looks pretty damn cool.
01/01/2009 05:15:37 PM · #9
I have an Expodisk myself that works really well. I like that it comes attached to a cord to wear around your neck. This way as the lighting changes you have it handy to set a new WB exposure with
01/01/2009 05:17:58 PM · #10
Originally posted by JDubsgirl:

Originally posted by kawesttex:

Why couldn't you just modify your lense cap with something like a cutout of a milk jug? All that is needed is something that is milky (no pun intended) white to shoot the lighting through.


is that essentially what the cap is?


Yes, but why pay so much when you can make one yourself.
01/01/2009 05:18:31 PM · #11
Seems to me that if they made it as a BODY cap you'd only need one...

R.
01/01/2009 05:20:13 PM · #12
Originally posted by kawesttex:

Originally posted by JDubsgirl:

Originally posted by kawesttex:

Why couldn't you just modify your lense cap with something like a cutout of a milk jug? All that is needed is something that is milky (no pun intended) white to shoot the lighting through.


is that essentially what the cap is?


Yes, but why pay so much when you can make one yourself.


huh. well maybe ill try that. cool
01/01/2009 05:32:16 PM · #13
I bought this very similar lens cap last month on eBay for basically the price of shipping and handling. I haven't actually used it yet but it looks like it should work. I can follow up after checking it. I figured a milk carton wouldn't work because it probably has to be 18% gray. Assuming it works properly the only negatives I see so far are it appears to be double-threaded but it isn't, so its filter thread mounting ring has to be removed to add a CPF or ND filter (it's too wide to use without its included mounting ring) and it extends the lens about 1/4".
(ETA: I bought several items from the same seller at the same time (CPF, extension tubes, step-up rings, flash diffuser, reflector kit, cordless and corded remotes, flash mount 3 way level) because they were useful photography gadgets and you save $1 for each additional item. I have no connection to them so I hope it's OK to post this "ad".

Message edited by author 2009-01-01 17:38:30.
01/01/2009 05:34:50 PM · #14
It doesn't have to be 18% grey. I have used custom white balance just using a sheet of typing paper. Shoot the frame and select it, works great. You can use white or grey for custom WB.
01/01/2009 05:49:22 PM · #15
a Styrofoam coffee cup works.
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