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Photo Forum / General Photo Topics / General Topics / May 2008white balance lens cap
simple questions: what is a white balance lens cap? what do you do with it? and how do you use it? thanks -Warren > simple questions: what is a white balance lens cap? what do you do with it? > and how do you use it? > thanks > -Warren I have no idea what White Balance Lens Cap is. So I would say if you don't know what it's then I would suggest to spend more time to improve what you know and want to know more. >> simple questions: what is a white balance lens cap? what do you do with it? >> and how do you use it? [quoted text clipped - 4 lines] >don't know what it's then I would suggest to spend more time to improve what >you know and want to know more. Which seems to me exactly what the guy is doing. He knows, presumably, that it is sometimes advantageous to pre-set the white balance and he's spending some time to improve his knowledge on how to do it. What he needs to do is spend the first of his time on Google. Questions like this are answered by Googling quicker and more completely than posting the question in a newsgroup. In a newsgroup, you get people who don't know the answer to the question, but post useless replies like yours.  SignatureTony Cooper - Orlando, Florida > >> simple questions: what is a white balance lens cap? what do you do with it? > >> and how do you use it? [quoted text clipped - 15 lines] > you get people who don't know the answer to the question, but post > useless replies like yours. You don't have to worry about me, but posting your knowledge here so we all can benefit from you instead of sucking the juice out of me. Now, just start by telling what the "white balance lens cap" is. > Now, just start by telling what the "white balance lens cap" is. ExpoDisc Digital White Balance Filter - Neutral Professional Digital White Balance "Photographers... now seem content to leave their digital cameras in a white balance mode that is at best a crap shoot and at worst completely inaccurate... Thankfully, a company called ExpoImaging is working very hard to make the process of getting a custom white balance so easy that it would be criminal to avoid the process." David Schloss. PDN (Photo District News), December 2005. Even the best digital cameras are incapable of consistently delivering accurate color without the user performing a custom white balance. Auto (AWB) and preset white balance functions often produce maddeningly inconsistent results. Images shot without a correct white balance may have unnatural looking red, yellow or blue tints that are time consuming and difficult, if not impossible to correct. Recognizing the importance of custom white balance to good color, digital camera manufacturers have designed their cameras to take advantage of a custom white balance. A custom white balance calibrates the camera to the exact color temperature of light illuminating the subject. The ExpoDisc (patent pending) is a custom white balance filter that allows digital photographers to quickly and easily set an accurate custom white balance. Consistently producing excellent results in natural, artificial, and studio lighting, the versatile ExpoDisc even excels in difficult mixed lighting environments. The ExpoDisc is far easier to use than any gray card, white card or calibration target. Simply place the ExpoDisc in front of your lens and capture the incident light while setting your camera¹s custom white balance. Using an ExpoDisc custom white balance will virtually eliminate the need for RAW or JPEG post-capture color adjustments. ExpoDisc technology takes a unique approach to setting a custom white balance and producing accurate color. The ExpoDisc essentially uses your camera¹s built-in custom white balance capability to turn the camera into an incident color-metering tool. This approach avoids the common problems and inconveniences associated with using gray cards, white cards and calibration targets: unwieldy size, unwanted reflectivity, improper angling and difficulty of filling the frame. Each ExpoDisc is constructed of carefully selected and matched optical grade materials, then hand-calibrated to strict tolerances of color neutrality and light transmission. ExpoDiscs are assembled and tested in the U.S.A.. The ExpoDisc is suitable for use with any digital SLR and digital video camera with a white balance function. ExpoDisc filters are available with quick pressure release mounts in standard sizes, including 52mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm, 95mm, as well as 4x5.65 flats. Prices range from $69.95 to $169.95. >> >> simple questions: what is a white balance lens cap? what do you do with it? >> >> and how do you use it? [quoted text clipped - 20 lines] > > Now, just start by telling what the "white balance lens cap" is. I gave him the search term to determine this. There are several different brands of white balance caps, and they range from free (make one yourself) to very expensive. He's better off viewing some of the web sites to learn what each one does and why it is better (according to the manufacturer). I can copy/paste from some of the sites, but there are too many different types to make this useful. Someone cut/pasted info on the Expodisc. That's one, but it's almost $100. Others are available for much less, but they are not necessarily less useful. But, knowing that you are too lazy to Google, it's a cap that fits over the end of the lens, or is held at the end of the lens, and it allows you set a custom white balance for the session's shooting according to the lighting conditions for the session. Some feel it's easier to use than a white card, or at least more convenient to carry. SignatureTony Cooper - Orlando, Florida >> >> simple questions: what is a white balance lens cap? what do you do >> >> with it? [quoted text clipped - 22 lines] > > Now, just start by telling what the "white balance lens cap" is. Joel is a classic fucknut. : >> >> simple questions: what is a white balance lens cap? what do you do : >> >> with it? [quoted text clipped - 23 lines] : : Joel is a classic fucknut. Translation: "The One" doesn't know what it is either. >> simple questions: what is a white balance lens cap? what do you do >> with it? [quoted text clipped - 7 lines] > improve what > you know and want to know more. A person asks: " what is a white balance lens cap?" Only a wiseacre or an idiot would respond to a question with "I have no idea what White Balance Lens Cap is". : A person asks: " what is a white balance lens cap?" : Only a wiseacre or an idiot would respond to a question with "I have : no idea what White Balance Lens Cap is". Well, no, I think you could interpret that answer as meaning something like: "I know pretty much everything there is to know about photography. So if I don't know the answer, probably nobody else here does either, and you have no choice but to RTFM." ;^) Bob > I have no idea what White Balance Lens Cap is. So I would say if you > don't know what it's then I would suggest to spend more time to improve > what > you know and want to know more. This rates as number 1 dumbest reply I have ever seen. > > I have no idea what White Balance Lens Cap is. So I would say if you > > don't know what it's then I would suggest to spend more time to improve > > what > > you know and want to know more. > > This rates as number 1 dumbest reply I have ever seen. and the reason I don't read and answer blogs. I am done with this one now also. In article <fd705878-1e71-42dc-89d3-1f4693a42b28@f36g2000hsa.googlegroups.com>, > and the reason I don't read and answer blogs. I am done with this one > now also. We don't care. We don't care which of the over 100,000 existing newsgroups you choose to read. No one cares, in fact. And please, before making another stunning display of your ignorance, learn the difference between the terms "blog" and "Usenet". ---------- Blog: A blog (short for "Web Log") is information that is instantly published to a Web site. Blog scripting allows someone to automatically post information to a Web site. Typically the information first goes to a blogger Web site. Then the information is automatically inserted into a template tailored for your Web site. Blogs are propagated using the Hypertext Transfer Protocol, or HTTP. ---------- Usenet: (USEr NETwork) A public access network on the Internet that provides user news and group e-mail. It is a giant, dispersed bulletin board that is maintained by volunteers who provide news and mail feeds to other nodes. All the news that travels over the Internet is called "NetNews," and a running collection of messages about a particular subject is called a "newsgroup." Usenet began in 1979 as a bulletin board between two universities in North Carolina. Today, there are more than 100,000 newsgroups, and news can be read with popular newsreader applications such as News Rover or via venerable Unix-based utilities such as pine, tin and nn. Usenet is propagated using the Network News Transfer Protocol, or NNTP. >simple questions: what is a white balance lens cap? what do you do with it? >and how do you use it? >thanks Google is your friend. Just Google the term "white balance lens cap" and you'll find many articles and ads. They range from $5.95 to over $100, and you'll find tips on making your own from household objects. Basically, it's an opaque disk you hold over the end of the lens to set your white balance if you have a camera that allows you set a manual white balance. Similar to using a card except the card is held at a distance. SignatureTony Cooper - Orlando, Florida >>simple questions: what is a white balance lens cap? what do you do with >>it? [quoted text clipped - 9 lines] > manual white balance. Similar to using a card except the card is held > at a distance. Sounds very similar in concept to the translucent plastic domes that were available a few years ago (and possibly still are) that slipped over the front of a lens and allowed you to use a SLR's TTL meter to take incident light readings. > simple questions: what is a white balance lens cap? what do you do with it? > and how do you use it? > thanks > -Warren http://www.google.com/search?client=safari&rls=en-us&q=white+balance+lens +cap&ie=UTF-8&oe=UTF-8 >> simple questions: what is a white balance lens cap? what do you do with >> it? [quoted text clipped - 4 lines] > http://www.google.com/search?client=safari&rls=en-us&q=white+balance+lens > +cap&ie=UTF-8&oe=UTF-8 I have rarely seen http://www.tinyurl.com used. It allows you to turn long urls into small ones. The small ones persist. Best of all it is free and after you have made the tiny url just hit ctrl +v. SignaturePeter : >> simple questions: what is a white balance lens cap? what do you do with : >> it? [quoted text clipped - 8 lines] : urls into small ones. The small ones persist. Best of all it is free and : after you have made the tiny url just hit ctrl +v. Truly an ingenious concept. Its only drawback, in my experience, is that it rarely works. <> : I have rarely seen http://www.tinyurl.com used. It allows you to turn long > : urls into small ones. The small ones persist. Best of all it is free and > : after you have made the tiny url just hit ctrl +v. > > Truly an ingenious concept. Its only drawback, in my experience, is that > it > rarely works. My experience is the opposite. However, there is nothing to stop you from using both. SignaturePeter > : >> simple questions: what is a white balance lens cap? what do you do with > : >> it? [quoted text clipped - 11 lines] > Truly an ingenious concept. Its only drawback, in my experience, is that it > rarely works. Interesting. I've never seen it *not* work. And I use it plenty. SignatureBlinky Killing all posts from Google Groups The Usenet Improvement Project --> http://improve-usenet.org Found 5/08: a free GG-blocking news *feed* --> http://usenet4all.se >> On Mon, 19 May 2008 20:02:20 -0400, "Peter" >> <peternew@nospamoptonline.net> [quoted text clipped - 21 lines] > > Interesting. I've never seen it *not* work. And I use it plenty. Same here. I'd say it was pretty near fool proof. > simple questions: what is a white balance lens cap? what do you do with > it? and how do you use it? > thanks > -Warren This is a device you can place in front of the digital camera lens and use to get preset a white balance as a reference point. Instructions for getting the preset are in the owner's manual for your camera. The device I sometimes use is the translucent plastic cap that comes, or used to come, on a tube of Pringles potato chips. It's a handy item and it's free if you eat the chips. You could also use a white or grey card or object. If I'm shooting in Raw I usually don't bother with presets since the auto white balance mode generally seems to be pretty much right on for the outdoor photography I do. I guess it would be fair to say I am not willing to pay $69.95 for such a device. > > simple questions: what is a white balance lens cap? what do you do with > > it? and how do you use it? [quoted text clipped - 13 lines] > I guess it would be fair to say I am not willing to pay $69.95 for such a > device. About a year ago I have read about the device and the web page mentions it does everything automatically, and better than greycard etc. and about greycard and RAW, I have greycard but don't bother to use cuz I don't have the time to use on all shots, and RAW isn't the magical or if you won't mind the trouble then I am very sure that you can benefit from greycard no matter using RAW or COOKED. Cuz RAW has nothing to do with grey card, and it can give a good result. Yup! I paid almost $50 for mine but don't use. >> > simple questions: what is a white balance lens cap? what do you do with >> > it? and how do you use it? [quoted text clipped - 29 lines] > Cuz RAW has nothing to do with grey card, and it can give a good result. > Yup! I paid almost $50 for mine but don't use. I agree. I have a histogram on my digital camera so why should I mess with a grey card or even screw around with an exposure meter to get the exposure right. Reading the histogram and highlight blinky screen is much quicker for me in most cases. COOKED is good, but RAW is more better. > > > simple questions: what is a white balance lens cap? what do you do with > > > it? and how do you use it? > > > thanks > > > -Warren I have got good results just using a white coffee filter and a rubber band, but usually I don't worry about it unless the light is pretty strange. For RAW, I use a WhiBal card, which is dead accurate for the light you are shooting, plus it gives you a white and black point for reference. It works great with LightZone. SignatureRobert B. Peirce, Venetia, PA 724-941-6883 bob AT peirce-family.com [Mac] rbp AT cooksonpeirce.com [Office] : : > > simple questions: what is a white balance lens cap? what do you do with [quoted text clipped - 17 lines] : About a year ago I have read about the device and the web page mentions it : does everything automatically, and better than greycard etc. ... Hey, WTF?? Didn't you just tell the OP that you don't know what a WB cap is? > : > : > > simple questions: what is a white balance lens cap? what do you do with [quoted text clipped - 19 lines] > > Hey, WTF?? Didn't you just tell the OP that you don't know what a WB cap is? Stick the WFT into your mouth, hold your breath and listen <bg> I read about the device someone metioned *but* I still don't know WTF the WB cap is. |
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