Olympus BX51 Instructions Manual page 29

Item
7. Condenser
8. Operating environment
Type U-AC2
Abbe
N.A.
Aperture iris dia-
phragm
Objective range 4X (for FN 22 widefield),
10X - 100X
(for FN 26.5 super
widefield)
· Indoor use
· Altitude: Max. 2000 meters
· Ambient temperature: 5° to 40°C (41° to 104° F)
· Maximum relative humidity: 80% for temperatures up to 31°C (88°F), decreasing linearly
through 70% at 34°C (93°F), 60% at 37°C (99°F), to 50% relative humidity at 40°C (104°F)
· Supply voltage fluctuations; Not to exceed ±10% of the normal voltage
· Pollution degree: 2 (in accordance with IEC60664)
· Installation/Overvoltage category: II (in accordance with IEC60664)
Specification
U-SC3
Swing-out
1.10 0.9 - 0.1
With numerical aperture scale
1.25X (for FN 22
widefield),
2X - 100X (for FN 26.5
super widefield)
BX51
U-AAC
Achromat/ Aplanat
1.40
10X - 100X (for FN 26.5
super widefield)
25