david carver Posted November 25, 2009 Share Posted November 25, 2009 <p>I want to buy a Voigtlander 21mm f/4 lens for my M6. It is my understanding that the 2 versions are indentical optically. Is that correct? The screw mount with the adaptor is less money that the newer version. Will I be missing anything getting the screw version? <br> Also, in the future I may want to buy a digital M camera. Will the screw mount with the adaptor work as well as the dedicated bayonet version.<br> Thanks in advance for your help.</p> Link to comment Share on other sites More sharing options...
tedms gallery Posted November 25, 2009 Share Posted November 25, 2009 <p>When I was looking, they appeared to have the same optics, though the build quality of the M ones might be better.<br> I went with an LTM version since it came with a VF, while the M does not. I find the optics to be very good on my unit, with film, and the M8 and RD1. The included VF is useful on the RD1 with a 15mm lens if you happen to get one later on.<br> I got mine at Photo Village who had good stock a few months back of the LTM/VF 21 combo.</p> Link to comment Share on other sites More sharing options...
david carver Posted November 25, 2009 Author Share Posted November 25, 2009 <p>Thanks Ted, the included VF is why I am leaning towards the LTM version. I think the difference in price is $130 between versions.</p> Link to comment Share on other sites More sharing options...
john_layton Posted November 25, 2009 Share Posted November 25, 2009 <p>Go to the Voigtlander website, look at the two versions, and you will see two very different optical designs.</p> Link to comment Share on other sites More sharing options...
david carver Posted November 25, 2009 Author Share Posted November 25, 2009 <p>Thanks Ted, the included VF is why I am leaning towards the LTM version. I think the difference in price is $130 between versions.</p> Link to comment Share on other sites More sharing options...
david carver Posted November 25, 2009 Author Share Posted November 25, 2009 <p>John, Thanks, I just went to this website - <a href="http://www.cosina.co.jp/seihin/voigt/english/s-wide-e.html">http://www.cosina.co.jp/seihin/voigt/english/s-wide-e.html</a>. Is this the website that you are referring to? What diff do you see?</p> Link to comment Share on other sites More sharing options...
eric rose Posted November 25, 2009 Share Posted November 25, 2009 <p>The build quality of the M one might be better....geez that's a hoot!</p> Link to comment Share on other sites More sharing options...
john_layton Posted November 25, 2009 Share Posted November 25, 2009 <p>When I go here: http://www.voigtlaender.de/cms/voigtlaender/voigtlaender_cms.nsf/id/pa_asan6m4e2e.html and click back and forth between the 21mm/F4.0 Color Skopar and the 21mm/F4.0 Color Skopar Pancake II, I see two very different designs. Furthermore, specs for these lenses indicate that the "regular" 21mm Skopar is available in screw mount, while the "Pancake" version is available in bayonet. Just calling it as I see it on this website. </p> Link to comment Share on other sites More sharing options...
john_layton Posted November 25, 2009 Share Posted November 25, 2009 <p>ps...I see by a pop-up ad that there is a screw mount version of the pancake version. So...is this the plot thickening, or are there simply two optical variations of this lens - with the "normal" one available in screw mount only, and the "pancake" version available in both mounts? </p> Link to comment Share on other sites More sharing options...
david_gregory Posted November 25, 2009 Share Posted November 25, 2009 <p>Not that I swear by everything he says, but Ken Rockwell is warning against using non-Leica lenses -- and the CV 21 f/4 specifically -- on the Leica M9. There are some color fringing problems that the M9 can't correct unless you use Leica's own coded lenses. If you're sticking with film it's problably not a big deal.</p> Link to comment Share on other sites More sharing options...
wgpinc Posted November 25, 2009 Share Posted November 25, 2009 <p>I'd be tempted to go with http://www.cameraquest.com/voigtlen.htm . They sell a lot of these lenses and they say they are both 8 elements in 6 groups. Good luck! </p> Link to comment Share on other sites More sharing options...
steve_levine Posted November 26, 2009 Share Posted November 26, 2009 <p>From everything I've ever read, the lenses are identical except for their mounts.</p> <p>The 21/F4 LTM I owned was a great lens. It had that intangible quality that high end German glass has, but at a fraction of it's cost.</p><div></div> Link to comment Share on other sites More sharing options...
alwin_meyer2 Posted November 28, 2009 Share Posted November 28, 2009 <p>I can not but agree with Steve's remark. I do black and white mostly. I looked for a wide angle to complement my Summicron 35 type I Wetzlar of which I love the rendering. After some research and advice from the forum I bought the VC 21/4.0 LTM and I am extremely happy with the way it renders. Below an example of my first test rol with the 21</p><div></div> Link to comment Share on other sites More sharing options...
andrew robertson Posted December 1, 2009 Share Posted December 1, 2009 <p>Actually, the M mount one may have "better" build quality. Voigtlander makes their lens barrels out of either aluminum or brass. The brass lenses are sure heavier, but as far as durability goes it's up in the air. I will say, the aluminum lenses are anodized and even if nicked, remain black. The brass lenses will lose paint with wear and tear.</p> <p>If the M mount lens has a brass barrel, it's probably more expensive for sure, and may indeed be a bit more durable over the extreme long haul.</p> Link to comment Share on other sites More sharing options...
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