SCHOTT VisiLED Serie Conseils D'utilisation page 68

Optical properties of
VisiLED illumination units
Subject to modifications and
amendments
66 | VisiLED-Serie
Component Working
distance
array
[mm]
Brightfield ringlight 55 – 110
S40 – 55
Brightfield ringlight 25 – 50
S80 – 25
Brightfield ringlight 50 – 135
S80 – 55
Darkfield ringlight 5 – 15
S40 – 10D
Slim Ringlight 20 – 40
40 – 90
(darkfield) 5 – 20
Transmitted light –
darkfield stage
Transmitted light –
brightfield stage
Brightfield-darkfield Suitable for microscope objectives with
adapter kit a 40-100 mm working distance
Maximum
illuminance [klx]
(at working
distance [mm])
120 klx (75 mm)
320 klx (30 mm)
200 klx (75 mm)
195 klx (10 mm)
45 klx (25 mm)
65 klx (50 mm)
40 klx (10 mm)
100 klx
(illuminance to-
wards bottom side
of the specimen)
Bright spot Ø Luminance
[mm] [cd/m 2
50 20000
]