Ronja Twibright Labs

Material for Ronja 10M 90mm Tubular Head

Material needed for Ronja 10M 90mm Tubular Head

Where do I get the material?

There is a variable "focus" which denotes the focal length of the lens you have.


One 90mm diameter glass loupe lens with 205mm focal length. Other focal length is possible, there is a variable "focus" in the building instructions which is the actual focus of the length. Some lenses have blueish or greenish colouring. Pick out the most clear ones with least colouring as the colouring will generate attenuation of optical signal. The range is specified for clear lenses.


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