Robert Hart
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I have two of these close-up attachment lenses left over from old AGUS35 groundglass adaptor builds. If any one is interested let me know and I will list them on eBay. They can be used with some Nikon 35mm AIS film stills lenses with suitable step-up adaptors. They can be also used with CP-Ultra T* 16mm film camera primes except the 9mm.
They are unlikely to be suitable to use with cine lenses or cinevised stills type lenses which do not have threaded front filter mounts. Whilst they could be attached with innovations, many 35mm cine lenses and cinevised stills lenses have lens bodies which extend well forward of the front elements and would hold the dioptre too far forward to be ideal.
Achomatic dioptres confer a superior image compared to single element screw-in close-up lenses.
They are unlikely to be suitable to use with cine lenses or cinevised stills type lenses which do not have threaded front filter mounts. Whilst they could be attached with innovations, many 35mm cine lenses and cinevised stills lenses have lens bodies which extend well forward of the front elements and would hold the dioptre too far forward to be ideal.
Achomatic dioptres confer a superior image compared to single element screw-in close-up lenses.