LOMO Microscope Objective - 50x0.65, Ultraviolet

Magnification: 50x
Numeric aperture: 0.65
Immersion: None
Tube: 160mm
Cover glass: 0.17mm
Focal length: 3.61mm
Image size: ?
Work distance: 0.10mm
Parfocal height: 33.4mm (RMS)
Correction : ?
Spectrum range: 250-313nm (UV)
Research method: None
Contrast method: None
Works in transmitted light

Here are two links to pictures took with such UV lenses by one of our customers from Germany:

http://www.pbase.com/kds315/uv_photos - UV Images and lens/filter info
http://photographyoftheinvisibleworld.blogspot.com/ - his UV diary