http://www.steris.com/media/PDF/support/education/StudyGuides/M1722%20Lighting%20the%20Way%20to%20Surgery%20SG%203%207-10.pdf
Some of the key specs:
- Surgical luminaire should produce between 40,000 and 160,000 lux
- Pattern size should be a min diameter of 6" to a max diameter of 12"
- Luminaires with diameters greater than 20" offer best shadow control
- Intended working distance (focal length): 39" (100% luminance)
- Desirable working range: 30" - 50"
- Close distance where illuminance is 20%: 24"
- Far distance where illuminance is 20%: 60"
- Depth of field: 36" (distance from 24" to 60")
Some pictures I found online that might give us an idea...
image from http://www.faqs.org/photo-dict/phrase/3395/surgical-lamp.html
- Elliot -
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