I played around with OSLO EDU and setup the design as described, that being a 100mm x 4000mm plano convex lens as an objective and achromat place 2000mm from the objective. I used an Edmund A32-886 50mm achromat which has 150mm focal length. This is a typical binocular achromat. I found the color correction to be fairly good but the effective focal length of the system is only 278mm which is not close to 6 meters. I also found that the 50mm diameter lens would be too small in diameter when placed at 2000mm away from the objective. Maybe I'm not understanding the design correctly ?
- Dave
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Re: A new refractor concept
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