Tuesday, October 23, 2018

LDM-1 long distance microscope for reflected UV (ultraviolet) light and African Violet

Today shots of an African Violet flower in reflected ultraviolet photography using a UV filter stack consisting of SCHOTT UG1 + BG40. All shots were done at f11. Lens was a rather rare LDM-1(s) 800mm mirror only lens, the close-up using the AP300 achromatic cloe-up lens, which was once sold with this lens system. Light source used was a 365nm Nichia UV LED light.

[click on image to see a larger one]

LDM-1(s) alone:

LDM-1(s) with the AP300 achromatic close-up lens:

And now here some comparison images I have shot with my "work horse" UV-Nikkor 105mm plus Baader-U filter.


Closeup at closest focusing distance:

I have written about this LDM-1 lens previously HERE
Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos