tony wilson Posted October 4, 2013 Share Posted October 4, 2013 not fast or wide but it is tiny industar50mm f3.5 is tiny slow but very cheap and nice i made a step ring to go onto the iscorama. only good for iscorama as front spins for focus also iris ring at the front but interesting optic. Quote Link to comment Share on other sites More sharing options...
Lucian Posted October 5, 2013 Author Share Posted October 5, 2013 I am pretty sure the Isco will vignette at 25mm - at least with the Voigt 25mm. Check out Andrew's review of the Oly OM-D (smaller sensor as the GH2 - doesn't vignette): http://www.eoshd.com/content/8565/olympus-om-d-e-m5-review Regarding the aesthetics - I went through the same "problem". Tried this and that. Spent a lot on lenses and sold them again. Now I have a set of CanonFDn and the above mentioned "Russians". The Pentacon 29mm cost me €12,- and plays quite nice with them. I also tried Zeiss-Contax and I think Canon FD are better - color and sharpness. The Zeiss for Rollei (made in W.Germany is signifcantly better then the Contax lenses). Anyway sold them all. Haven't tried Nikon so far as I am more into film now (the CineNikkor for the R10 is said to be great!). When I have some spare time. I'll try to make some examples an upload. To summarize, you are saying the pentacon 29mm is the best isco compatible wide lens you have found that mixes with the Russians? Also, the EOSHD guide states the iscorama 36 can be used as wide as 25mm on m43rd sensor. Never tried anything wider than a 35mm myself, can anyone confirm if the guide is correct? Quote Link to comment Share on other sites More sharing options...
richg101 Posted October 5, 2013 Share Posted October 5, 2013 To summarize, you are saying the pentacon 29mm is the best isco compatible wide lens you have found that mixes with the Russians? Also, the EOSHD guide states the iscorama 36 can be used as wide as 25mm on m43rd sensor. Never tried anything wider than a 35mm myself, can anyone confirm if the guide is correct? 35mm is the widest possible on sony/nikon sized aps-c sensors-its a whisker away from vignette. 25mm is going to be on the cusp of touching vignette on m4/3. you'll need to be able to mount your iscorama so the optics are nearly touching, but you should get there by my calculations. the good resolution of the gh2 should mean you can always crop in slightly without a terrible loss of perceived detail. Quote Link to comment Share on other sites More sharing options...
Paulio Posted October 10, 2013 Share Posted October 10, 2013 I looked into the same thing and ended up going with the mir10a 28mm. The reviews I read even though its f3.5 it much more usable wide open than some of the vintage options. I'll let you know how it plays with the isco. Quote Link to comment Share on other sites More sharing options...
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