C Mount Lens Tests on GF1

I picked up the Panasonic GF2 camera lately because I wanted something small and really lightweight. Sure you can adapt Nikon or Canon lenses, but that took so much away from being 'small and lightweight'. An excellent solution for Sony NEX and Micro Four-Third cameras are to use CCTV or 'C-Mount' lenses. Here's an excellent video test from Vimeo member Dario Viola showing the quality of these inexpensive lenses. These C Mount lenses are normally used in very small security cameras, but they've become a popular choice for many M43 shooters. You'll find many CCTV lenses with fast F/1.4 and F/1.7 apertures for about $30 dollars.

You can't go too wide without seeing the inside of these small lenses, but for the GH2 you might be able to use crop mode to use just the center of the lens (eliminating the barrel ring on the edges). The most popular sizes for the NEX5 and GF1/2 cameras are the 25mm F/1.4 and 35mm F/1.7. Keep in mind that M43 is a 2x crop, so a 25mm is more like a 50mm F/1.4. I'm picking a few of these up to use on the GF2 and will post results soon after receiving. You can find other C Mount lenses below.

C Mount Lens Tests
find-price-button CCTV C Mount Lenses for NEX and M43

9 thoughts on “C Mount Lens Tests on GF1

  1. I'm wondering if this is workable on the Lumix Gh1 with adapter. And if so how much vignetting would there be?

  2. Garrett Nibb

    I'm amazed at the quality of these lenses. Makes you wonder how insane the markup is for the L lenses from Canon. Why can't Canon deliver L quality at $100 per lense? Cuz they want money.

  3. C-mounts are not compatible with EOS unless you use an additional piece of glass to be able to focus properly. Its all about flange distance, and mirror-less cams can match nearly any of them!

    I currently have a cine-nikkor 25mm f1.2 and it looks great on the GH2! A small amount of soft edges, but very very sharp.

  4. Olphus

    @Frank. Definitely not EOS compatible - if it did you would get something like 30% vignetting.

  5. Frank

    I'm not sure, but I think there is a c-mount adapter for canon eos systems as well. Would there be vignetting with these non-M42 camera's?

  6. Matt

    Good for a shoot where you want some special effects captured through the lens. Fun. I'll be buying a NEX this summer for a documentary shoot where this style would be appropriate.

    Thanks for the tip.

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