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Article #910549Re: z filtrem czy bez?
From: Uncle Pete
Date: Sun, 02 Apr 2017 09:32
Date: Sun, 02 Apr 2017 09:32
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On 2017-04-02 09:10, ąćęłńóśźż wrote: > Mam lornetkę niemal świecącą na czerwono. Istnieje hipoteza, że jest to zabieg marketingowy, aby wyglądało ładnie: Back to those "ruby coated" lenses then. What's up with that? Well, from what I can tell, ruby coated lenses are pure marketing gimmick. If you think about it for a minute you should realize that if a bright "ruby" red light is being reflected from the lens, then that much red light is not going through it. This results in an image that is disproportionately green, yellow and blue, giving an overall greenish cast to the view through the binoculars. http://boards.straightdope.com/sdmb/showthread.php?t=153423
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.icm.edu.pl!newsfeed2.atman.pl!newsfeed.atman.pl!.POSTED!not-for-mail From: Uncle Pete <433koz@gmail.com> Newsgroups: pl.rec.foto.cyfrowa Subject: Re: z filtrem czy bez? Date: Sun, 2 Apr 2017 11:32:46 +0200 Organization: ATMAN - ATM S.A. Lines: 15 Message-ID: <obqgfv$jqn$1@node2.news.atman.pl> References: <Titus_Atomicus-84C396.18072919022017@node1.news.atman.pl> <3e0e0120-be11-483f-9980-99752d7e33d9@googlegroups.com> <Titus_Atomicus-416D35.21404619022017@node2.news.atman.pl> <4ec6d6ea-2a2c-4b56-804b-f468be8d402a@googlegroups.com> <Titus_Atomicus-CD5DA2.00231224032017@node1.news.atman.pl> <ob5rra$8i2$1@node1.news.atman.pl> <4121cbba-c7d1-409b-b1e4-a335d904e151@googlegroups.com> <ob6pus$c8l$1@node2.news.atman.pl> <58d8f500$0$663$65785112@news.neostrada.pl> <obq84k$btb$1@node2.news.atman.pl> NNTP-Posting-Host: public-gprs401424.centertel.pl Mime-Version: 1.0 X-Trace: node2.news.atman.pl 1491125567 20311 37.47.199.81 (2 Apr 2017 09:32:47 GMT) X-Complaints-To: usenet@atman.pl NNTP-Posting-Date: Sun, 2 Apr 2017 09:32:47 +0000 (UTC) User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 In-Reply-To: <obq84k$btb$1@node2.news.atman.pl> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit