Comments on: Lens Genealogy Part 1 http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1 Photo/video thoughts from the largest rental house Wed, 22 May 2013 17:33:02 +0000 hourly 1 http://wordpress.org/?v=3.3.2 By: Rick Kelly http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-26023 Rick Kelly Wed, 19 Dec 2012 19:10:41 +0000 http://www.lensrentals.com/blog/?p=2624#comment-26023 The modern Takahashi FSQ-106ED astrographic telescope uses a slightly modified Petzval lens configuration. This is the best astrographic instrument in its size (106 mm diameter front lens) and costs over $5K. So the Ptezval lens design still serves in front line service in astrophotography. The modern Takahashi FSQ-106ED astrographic telescope uses a slightly modified Petzval lens configuration. This is the best astrographic instrument in its size (106 mm diameter front lens) and costs over $5K. So the Ptezval lens design still serves in front line service in astrophotography.

]]> By: Christian Armetta http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-3833 Christian Armetta Wed, 14 Mar 2012 21:39:45 +0000 http://www.lensrentals.com/blog/?p=2624#comment-3833 The nikon 45 mm 2.8 is a modern tessar type lens The nikon 45 mm 2.8 is a modern tessar type lens

]]> By: More Than Megapixels – Episode 23 – It’s not as small as it looks like : More Than Megapixels http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-1626 More Than Megapixels – Episode 23 – It’s not as small as it looks like : More Than Megapixels Sat, 17 Sep 2011 17:55:54 +0000 http://www.lensrentals.com/blog/?p=2624#comment-1626 [...] Lens Geneology [...] [...] Lens Geneology [...]

]]> By: js http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-1272 js Sun, 28 Aug 2011 17:31:48 +0000 http://www.lensrentals.com/blog/?p=2624#comment-1272 Great article. BTW, it is 'genealogy'. Great article. BTW, it is ‘genealogy’.

]]> By: Roger Cicala http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-1232 Roger Cicala Tue, 23 Aug 2011 02:16:30 +0000 http://www.lensrentals.com/blog/?p=2624#comment-1232 Oops, Brick, you are totally correct. The Nikon 50mm f1.8 is clearly a double guass http://dl.dropbox.com/u/8482172/Nikon%20diagrams/N501.8Gconst.jpeg Oops, Brick, you are totally correct. The Nikon 50mm f1.8 is clearly a double guass
http://dl.dropbox.com/u/8482172/Nikon%20diagrams/N501.8Gconst.jpeg

]]> By: Brick http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-1231 Brick Tue, 23 Aug 2011 02:04:43 +0000 http://www.lensrentals.com/blog/?p=2624#comment-1231 "even the Nikon 50mm f/1.8 are all Tessar variations" I think the 50/1.8 should be Double Gauss and the widest aperture of Tessar only f/2.8, right? “even the Nikon 50mm f/1.8 are all Tessar variations”

I think the 50/1.8 should be Double Gauss and the widest aperture of Tessar only f/2.8, right?

]]> By: Bambic http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-1209 Bambic Sun, 21 Aug 2011 22:35:35 +0000 http://www.lensrentals.com/blog/?p=2624#comment-1209 Thanks for the comprehensive and in-depth work. Keep on writing, great! Thanks for the comprehensive and in-depth work. Keep on writing, great!

]]> By: alek http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-1203 alek Sun, 21 Aug 2011 03:37:19 +0000 http://www.lensrentals.com/blog/?p=2624#comment-1203 Ditto what several people already said Roger - keep 'em coming and write as long as you want - great stuff! Ditto what several people already said Roger – keep ‘em coming and write as long as you want – great stuff!

]]> By: Adarsha http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-1202 Adarsha Sat, 20 Aug 2011 22:47:16 +0000 http://www.lensrentals.com/blog/?p=2624#comment-1202 Agree with Jon and edward, write more Roger, make them long.. we will read it.. A big thank you from all of us for an excellent knowledge filled article. Agree with Jon and edward, write more Roger, make them long.. we will read it.. A big thank you from all of us for an excellent knowledge filled article.

]]> By: Lens Geneology Part 1 | Photography Gear News | Scoop.it http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1/comment-page-1#comment-1193 Lens Geneology Part 1 | Photography Gear News | Scoop.it Sat, 20 Aug 2011 07:20:52 +0000 http://www.lensrentals.com/blog/?p=2624#comment-1193 [...] Lens Geneology Part 1 In which I begin to answer the question “Why Do You Put the Lens Diagrams on Your Website?”Where do new lens designs come from? Source: www.lensrentals.com [...] [...] Lens Geneology Part 1 In which I begin to answer the question “Why Do You Put the Lens Diagrams on Your Website?”Where do new lens designs come from? Source: http://www.lensrentals.com [...]

]]>