Coby Berger Posted May 9, 2019 Share Posted May 9, 2019 I was recently loaned this lens: it looks like the same size as a c-mount but it won't screw into my Beaulieu 6008 S. What type of adapter would I need to get it to fit a c-mount body? Link to comment Share on other sites More sharing options...
Martin Baumgarten Posted May 9, 2019 Share Posted May 9, 2019 The SPIRATONE FishEye Lens is an adapter lens. It requires an adapter so it'll fit onto a 'normal' focal length lens (based on 35mm camera standards, thus 50mm to 58mm range focal length). The mount on the lens is where the appropriate filter thread adapter is screwed onto. So, in order to use this on your BEAULIEU, you'd have to first fit a 50mm still camera lens to the camera, then this lens to that via the adapter ring. These rings for the SPIRATONE are harder to locate now, usually were sold with the lens. You can hunt on eBay for it possibly. Since the Circle-of-Illumination produced by a 50mm still camera lens is much larger than that needed for Super 8mm format, you will most likely end up with a full frame Fisheye effect or possibly just very wide angle. You could try using a wider lens, such as 35mm or 28mm, but it will take a little experimentation to sort it out. IF you were to attach this to the zoom lens of your BEAULIEU then you'll have to factor in the added weight, and might want to make some kind of support for it. Just to get in the ballpark of what might work, you could just hold it front of your zoom lens (use some kind of spacing rings etc or careboard cutout to avoid hitting your front optic!), and adjust the zoom lens down to around 15mm and go from there to see which focal length works best for a Full Frame Fisheye effect. 1 Link to comment Share on other sites More sharing options...
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