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Διαφορες μεταξυ λάμπων UHP- Xenon. Τι ισχυει τελικα;
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<blockquote data-quote="Browser" data-source="post: 73936" data-attributes="member: 96"><p><strong>Απάντηση: Μην αγοράσετε τον Sony Pearl (VPL-VW50) ...δεν φτάνουν για όλους!!!</strong></p><p></p><p>Ας παμε τωρα στα "τριγωνα" τα οποια αναπαραστουν το <strong>colour decoding</strong> η αλλιως το <strong>colour representation</strong> και αφορουν τ<strong>ις 2 απο τις 3 διαστασεις των χρωματων</strong> , και <u><em><strong>οχι το χρωμα γενικως</strong></em></u>.</p><p></p><p></p><p>Σε αυτο το κομματι και το cine4home παραδεχετε οτι εχει εχει γινει μια προσπαθεια με καπως ανορθοδοξο και <em>"against the principles of video-purists" </em>τροπο, που παρολο που θα κανει τη ζωη του calibrator, θα αποφερει ενα πολυ καλο αποτελεσμα.</p><p>Το "τριγωνο" του περλ, ειναι αρκετα "ανοιχτο", ακομη και για τα HD standarts. Κατι που οπως ειπαμε δεν ειναι κακο....</p><p></p><p><img src="http://www.cine4home.com/reviews/projectors/SonyVPLVW50/Bild42.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><em>"Color space of the VW50"</em></p><p><em></em></p><p><em>"As the diagram above shows, the Sony VPL-VW50 offers a much larger color space (white triangle) compared to the HD video standard (dark triangle). <strong>Apparently the engineers have again made a conscious decision to provide a color space above that of the video standard</strong>, to allow the projector to display strong colors when desired. <strong>Even if this method is against the principles of video-purists, the course of action of the engineers is understandable.</strong> Exact color gradients will be harder to calculate, nevertheless especially the video standard with its shrunken color space is the main cause for a false reproduction of the cinema original. In the theater you will find much stronger color tones than the typically washed out Red, Green and Blue. <span style="font-size: 12px"><strong>However, the larger color space does not exactly reach the same high standard set by the Ruby.</strong></span>"</em></p><p><em></em></p><p><em></em></p><p><em><img src="http://www.cine4home.com/reviews/projectors/SonyVPLVW50/Bild43.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></em></p><p><em></em></p><p><em>"The Color Space of the VW100 / Ruby (above) <strong>remains unbeaten</strong>"</em></p><p><em></em></p><p><em></em></p><p><em>"<strong>Ιt is amazing that the projector does not display the basic image too colorful in spite of the large color space, as is the case with many other digital projectors.</strong> In future reviews we will take a closer look at the signal electronics with new test procedures; more on this in related future Specials."</em></p><p><em></em></p><p><em></em></p><p><em></em></p><p>Και καταληγει περι χρωματος ΓΕΝΙΚΑ με το παρακατω κειμενο ......</p><p></p><p></p><p><em>"<strong>Ιn a direct comparison to a UHP spectrum the difference is immediately apparent:</strong> all wavelengths of a color are almost equally present with a Xenon source. <strong>Instead of small peaks, wide bell forms are visible.</strong> Many wavelengths (color nuances) are equally represented. In contrary to the UHP spectrum where only certain wavelengths exhibit high peaks.</em> <em>The arguments of critics are that these spectral differences between Xenon and UHP are not relevant, because the eye is only susceptible to certain wavelengths. <strong>Whatever the reason, in our direct comparison the Ruby as before showed a more uniform color representation, <u>the picture appeared more natural in many scenes and more film-like color wise.</u></strong> <strong>The Xenon spectrum can not by completely without influence.</strong></em></p><p> <em>However: <u><strong>the differences are not that big,</strong></u> and the VPL-VW50 too fascinates with an unbelievably strong and at the same time natural picture representation. Outdoor recordings and facial colors are natural and in no way oversaturated. Where strong colors are required, they appear on the screen. Altogether we were again completely thrown aback by the color representation of the SXRD technology, <strong>no reason for any negative comments here also.</strong>"</em></p><p></p><p></p><p></p><p>Το πληρες review θα το βρειτε εδω.... </p><p></p><p><a href="http://www.cine4home.com/reviews/projectors/SonyVPLVW50/VPLVW50Review.htm" target="_blank">http://www.cine4home.com/reviews/projectors/SonyVPLVW50/VPLVW50Review.htm</a></p><p></p><p></p><p>Τα συμπερασματα δικα σας :grinning-smiley-043.</p><p></p><p></p><p>Μανωλη , θελω τη γνωμη σου σε αυτο το θεμα , μιας και ειχες την ευκαιρια και να δεις και να μετρησεις !</p><p></p><p>Καλημερα.</p></blockquote><p></p>
[QUOTE="Browser, post: 73936, member: 96"] [b]Απάντηση: Μην αγοράσετε τον Sony Pearl (VPL-VW50) ...δεν φτάνουν για όλους!!![/b] Ας παμε τωρα στα "τριγωνα" τα οποια αναπαραστουν το [B]colour decoding[/B] η αλλιως το [B]colour representation[/B] και αφορουν τ[B]ις 2 απο τις 3 διαστασεις των χρωματων[/B] , και [U][I][B]οχι το χρωμα γενικως[/B][/I][/U]. Σε αυτο το κομματι και το cine4home παραδεχετε οτι εχει εχει γινει μια προσπαθεια με καπως ανορθοδοξο και [I]"against the principles of video-purists" [/I]τροπο, που παρολο που θα κανει τη ζωη του calibrator, θα αποφερει ενα πολυ καλο αποτελεσμα. Το "τριγωνο" του περλ, ειναι αρκετα "ανοιχτο", ακομη και για τα HD standarts. Κατι που οπως ειπαμε δεν ειναι κακο.... [IMG]http://www.cine4home.com/reviews/projectors/SonyVPLVW50/Bild42.jpg[/IMG] [I]"Color space of the VW50" "As the diagram above shows, the Sony VPL-VW50 offers a much larger color space (white triangle) compared to the HD video standard (dark triangle). [B]Apparently the engineers have again made a conscious decision to provide a color space above that of the video standard[/B], to allow the projector to display strong colors when desired. [B]Even if this method is against the principles of video-purists, the course of action of the engineers is understandable.[/B] Exact color gradients will be harder to calculate, nevertheless especially the video standard with its shrunken color space is the main cause for a false reproduction of the cinema original. In the theater you will find much stronger color tones than the typically washed out Red, Green and Blue. [SIZE=3][B]However, the larger color space does not exactly reach the same high standard set by the Ruby.[/B][/SIZE]"[/I] [I] [IMG]http://www.cine4home.com/reviews/projectors/SonyVPLVW50/Bild43.jpg[/IMG] "The Color Space of the VW100 / Ruby (above) [B]remains unbeaten[/B]" "[B]Ιt is amazing that the projector does not display the basic image too colorful in spite of the large color space, as is the case with many other digital projectors.[/B] In future reviews we will take a closer look at the signal electronics with new test procedures; more on this in related future Specials." [/I] Και καταληγει περι χρωματος ΓΕΝΙΚΑ με το παρακατω κειμενο ...... [I]"[B]Ιn a direct comparison to a UHP spectrum the difference is immediately apparent:[/B] all wavelengths of a color are almost equally present with a Xenon source. [B]Instead of small peaks, wide bell forms are visible.[/B] Many wavelengths (color nuances) are equally represented. In contrary to the UHP spectrum where only certain wavelengths exhibit high peaks.[/I] [I]The arguments of critics are that these spectral differences between Xenon and UHP are not relevant, because the eye is only susceptible to certain wavelengths. [B]Whatever the reason, in our direct comparison the Ruby as before showed a more uniform color representation, [U]the picture appeared more natural in many scenes and more film-like color wise.[/U][/B] [B]The Xenon spectrum can not by completely without influence.[/B][/I] [I]However: [U][B]the differences are not that big,[/B][/U] and the VPL-VW50 too fascinates with an unbelievably strong and at the same time natural picture representation. Outdoor recordings and facial colors are natural and in no way oversaturated. Where strong colors are required, they appear on the screen. Altogether we were again completely thrown aback by the color representation of the SXRD technology, [B]no reason for any negative comments here also.[/B]"[/I] Το πληρες review θα το βρειτε εδω.... [URL]http://www.cine4home.com/reviews/projectors/SonyVPLVW50/VPLVW50Review.htm[/URL] Τα συμπερασματα δικα σας :grinning-smiley-043. Μανωλη , θελω τη γνωμη σου σε αυτο το θεμα , μιας και ειχες την ευκαιρια και να δεις και να μετρησεις ! Καλημερα. [/QUOTE]
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