Recent G1 and u4/3 lens adapter web discussion.

<p>This is the result of an ad-hoc test using a C mount lens with the Panasonic G1. I simply held my Kern Switar 10mm f1.6 in the throat of the G1. It was difficult positioning the lens so that it was perfectly central, plane to the sensor and in focus. The result is a little skewed but shows the amount of vignetting with this particular lens.<br>

<img src="http://farm4.static.flickr.com/3496/3182606429_426212a7fb.jpg" alt="" width="500" height="375" /></p>

<p><br /> The largest rectangular clip I could make was 2200x2304 pixels<br>

<img src="http://farm4.static.flickr.com/3334/3182606443_23d154040f.jpg" alt="" width="478" height="500" /></p>

<p>I built an adapter for my L1 (just for fun) a while back to try out some of those lenses, and found some longer lengths will cover. Of course, due to flange back distance, I am forced to shoot macros;) so maybe they would vignette when actually mounted 20mm from the sensor on the g1, don't know. I will try to upload some full frame coverage examples made with a telephoto 16mm cine lens off a broken bell and howell I bought at a goodwill and and a Schneider for 16mm I found at a flea market. Both are shot on the L1 from less than a foot away.<br>

Godfrey you are right there is really no reason to use wierd old lenses, the new ones are great. I just like the whole fun of it, fabricating the adapters, and seeing the wierd and sometimes pleasing results. Plus you can sometimes find those old lenses for dirt cheap. These old lenses have alot of character, and if you already have them its a bonus.</p>

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<p>Here's another</p><div></div>

<p>This one picks up that wierd glow of old fast lenses around the OOF highlights I kind of like. No post other than a black level bump, because the color looked a bit washed out in the raw image.<br>

I recently bought the 50 f2 macro and love it, but the look is more "clinical" and the shots seem like something you could see in a catalog. Almost scary, too perfect for me sometimes.<br>

Its a darn shame that the 10mm didn't cover. It would be so cool to score a reasonably priced wide prime. Adapting lenses to 4/3 can be alot of fun.</p>

<p>Nice photos chris. I have always thought about using Chounds for Macro work with my 35mm camera. To me it always seemed like the most economical and logical use of the lenses if you had them laying arround.</p>

<p>Hey David Wright, nice peep hole effect with the C-mount. I think i like the 1st one better.</p>

<p>Are there any Sci-Fi fans here ? I ask because im remided of somthin in the Sci-Fi channels series BattelStar Glactica. In that world all photographs are rectangles with the corners chamfered. That would woek more for photos taken with Cmount lenses :)</p>

<p>Yeah, David managed a pretty nice shot with just handholding it there! The image quality looks good too. Gotta love those Kerns.<br>

Based on ad-hoc tests similar to David (on the l1) with lenses I have on hand (sticking them in the throat on live view to get infinity focus), i think at least 75mm and up will cover without any vignetting. Probably 50 and up, but I don't have that focal length to try. That fellow on ebay reports only some minor vignetting on the angenieux 25mm, but too bad he didn't include the test shots so we could check it out.<br>

Of course most of us have the longer focal lengths covered already with other more practical legacy lenses, so too bad.</p>

<p>yes and i been seeing on ebay Cmount adapters selling for 300 dolars , does that sound right? does anyone have sources for cheeper?</p>

<p>That sounds really high, I would guess no one has bothered to tool up for a large run, probably since the desirable focal lengths won't cover the sensor. Who knows...maybe they will show up cheap soon. The one I made is fashioned out of a leitz microscope camera adapter that fits over and locks onto the OM to 4/3 adapter, but i'm sure it would allow infinty focus on MFT bodies. Its fine for macros though. I think it might be easy to convert a m42 to 4/3 adapter for use on the G1 or MFT bodies, but I don't have that adapter to try yet...</p>

<p>Hayata Camera Lab, a famous and renowned repair shop in Tokyo, has released C-to-M4/3 mount adaptor. Their website is only in Japanese, but here you can see the adaptor and sample images using P. Angeneux Type M1 25mm/f0.95 (the puppy) and Son Bertiot Cinor 10mm/f1.9 (street with buses):<br>

http://www.hayatacamera.co.jp/article/photo200901.html<br>

Click the thumnails, see larger images of adaptors and some cine lenses, and enjoy!</p>

<p>wow Akira thanks. I love the immages But i cant even see any prices. My browser did not even process half the symbols on the page. Can you translate for me and let me know what they are costing about?</p>

<p>Dan,</p>

<p>they sell the adaptor for 10,000 yen: about 70% of a Rayqual adaptor.</p>

<p>Holey crap! Have you heard about the Samsung Hybrid camera?I just found about it today. I am surprised i never came across it being discussed here. it was announced this past summer. <a href="http://www.amateurphotographer.co.uk/news/new_interchangeable_lens_system_compact_digital_camera_system_on_the_way_news_266661.html?aff=rss">This </a> is the article i came across and its written up <a href="http://asia.cnet.com/crave/2008/09/03/samsung-unveils-plan-to-pit-against-micro-four-thirds-system/">here </a> too. I have not yet purchased any kind of digital camera. I still shoot film, mostly 120. Since i am not a professional and don't shoot 50 or 60 shots a day, the production costs have not motivated me to do so yet. I still have been gathering information the past few years. However my main reasoning to looking at purchasing a four thirds system was the fact i can use all my Minolta MD lenses on it, and the second reasoning was the cost factor, being low. I was almost ready to set my mind on getting the Panasonic G1, But if Samsung is going to release a similar interchangeable lens camera with the larger APS-C sensor, i think i would be steering towards that system more, as that would use more of the field of my lenses, and the larger sensor would surly have less noise.</p>

<p>I wasnt sure where to talk about this or what forum i would even post it in if i wer to start a new thread, so i posted it here.</p>

<p>hy =)<br>

a list of c-mount lens with photos,<br>

hope it s help us to choise =)<br>

http://www.c-mount.passion.pro/</p>