Commons:Featured picture candidates/File:Grand Temple, Freemasons' Hall, London 2017-09-17-4.jpg

File:Grand Temple, Freemasons' Hall, London 2017-09-17-4.jpg, featured

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Featured picture candidates/File:Grand Temple, Freemasons' Hall, London 2017-09-17-4.jpg Commons:Featured picture candidates/File:Grand Temple, Freemasons' Hall, London 2017-09-17-4.jpg

• Category: Commons:Featured pictures/Places/Interiors/Religious buildings#United_Kingdom
•  Info I visited the Freemasons' Hall in London on Open House weekend. This is an impressive Art Deco building, and I don't think we've had a Masonic temple at FP before. The Grand Temple is not normally open to the public other than for events. This is the entire ceiling of the temple hall. The brightly lit mosaic coving is 4.5m deep. You can see another view of the temple hall here. To get it all in required my fisheye lens and the image here has been defished by Lightroom and cropped. The corners suffer a little bit as a result, but I still think it is an impressive image, and remarkably distortion-free considering the extreme angle of view. The image is an HDR from five exposures. More details about the ceiling are on the file description page. All by me. -- Colin (talk) 12:13, 27 September 2017 (UTC)
•  Support -- Colin (talk) 12:13, 27 September 2017 (UTC)
•  Support Très bonne gestion de la lumière, superbes couleurs. Yann (talk) 13:41, 27 September 2017 (UTC)
•  Support Eminent. -- Johann Jaritz (talk) 14:00, 27 September 2017 (UTC)
•  Support It's hip to be square.--Peulle (talk) 15:03, 27 September 2017 (UTC)
•  Support That's what I call an "image à la Gloire du Grand Architecte de l'Univers" !--Jebulon (talk) 15:48, 27 September 2017 (UTC)
•  Support --Cayambe (talk) 16:24, 27 September 2017 (UTC)
•  Support Just saw it in Flickr. Christian Ferrer ^(talk) 17:48, 27 September 2017 (UTC)
•  Support Daniel Case (talk) 19:15, 27 September 2017 (UTC)
•  Support --Martin Falbisoner (talk) 19:36, 27 September 2017 (UTC)
•  Support --cart-Talk 19:46, 27 September 2017 (UTC)
•  Support One of the pictures that make me feel weak. --A.Savin 20:36, 27 September 2017 (UTC)
•  Support WClarke 00:47, 28 September 2017 (UTC)
•  Support --Tomascastelazo (talk) 03:47, 28 September 2017 (UTC)
•  Support --Code (talk) 04:00, 28 September 2017 (UTC)
•  Support --Cayambe (talk) 09:35, 28 September 2017 (UTC)
•  Support -- Pofka (talk) 18:34, 28 September 2017 (UTC)
•  Support Poco² 21:56, 28 September 2017 (UTC)
•  Support -- King of ♥ ♦ ♣ ♠ 01:21, 29 September 2017 (UTC)
•  Support Habitual Colin perfection level, a bit small but very sharp (maybe downsized and not only croped?) on any case very well done. Nice lens I think that I will get one soon --The Photographer 02:31, 29 September 2017 (UTC)
•  Question Is it downsized ? Dont belive this quality would came out in defishing. --Mile (talk) 08:06, 29 September 2017 (UTC)

Mile Using HDR you can get a better sharpness than another techniques and maybe Colin is using for this image a merge from several shoots that in the same point can remove noise and improve the sharpening. I already uses this technique because Colin showed me how do that. Also, downsizing is not a bad practice especially if you want improve the sharpness on super sized images, this technique is used by Diliff on his FPs, for example. I don't like use it because it reduce image information and it is not just in a competition with photographers with a small sensor camera, however we are not sure if it is the case, and in any case it is not a FP requeriment, everybody use that ever me and IMHO not a raison to opposing. Also we have the sensor and lens factor and in this case a Samyang 8mm f/3.5 fisheye is extremely sharp and looking for the colin comment in this candidature I can tell you that he just cropped the image. --The Photographer 12:36, 29 September 2017 (UTC)

• Mile, The Photographer, the image was not downsized (100% scale). However the defish process takes the barrel distortion of the fisheye and stretches the edges and corners out while slightly reducing the centre. I assume Lightroom creates a result that is on-average to the same scale as the original. Since this image is cropped (to remove the walls), the average of the crop was a little bit lower than the original. I measured the width and height of this crop compared to the original and found that a 110% upscale produced the same dimensions. So the image has gone up from 11.11MP to 13.45MP. I'm really quite impressed by Lightroom's defish, though the edges that I cropped off are more stretched and distorted, as one would expect from trying to make a very wide-angle scene into a rectilinear projection. The Samyang 8mm is extremely sharp, especially in the centre, and its main problem I find is purple CA on high-contrast black/white edges in the corners (which there aren't any of here). And yes, the HDR not only helps with dynamic range, but having those exposures essentially eliminates all noise from the image, giving a much sharper image that can be sharpened without causing noise to be enhanced. -- Colin (talk) 15:00, 29 September 2017 (UTC)

•  Support Interesting. --Mile (talk) 21:12, 29 September 2017 (UTC)
•  Support--fedaro (talk) 21:26, 29 September 2017 (UTC)
•  Support --Famberhorst (talk) 17:14, 30 September 2017 (UTC)
•  Support --Agnes Monkelbaan (talk) 05:58, 1 October 2017 (UTC)
•  Support for the photo and great documentation. -- Ikan Kekek (talk) 21:20, 1 October 2017 (UTC)

Confirmed results:

Result: 24 support, 0 oppose, 0 neutral → featured. /Yann (talk) 14:06, 2 October 2017 (UTC)

This image will be added to the FP gallery: Places/Interiors/Religious buildings#United_Kingdom