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概览

白色干渉計での使用を目的とした対物レンズです。合焦位置でのサンプル像とともに、内蔵するビームスプリッタと参照ミラーによりサンプルの高低差に対応した干渉縞が得られます。独自の位置調整機能を搭載し温度変化に伴う微調整もスムーズに行うことができます。

白色干渉対物レンズ　WLI100XMRTC

Objective Name	WLI10XMRTC	WLI20XMRTC	WLI50XMRTC	WLI100XMRTC
Correction	Infinity-corrected	Infinity-corrected	Infinity-corrected	Infinity-corrected
Magnification (with a Tube Lens of 180 mm Focal Length)	10X	20X	50X	100X
Numerical Aperture (NA	0.3	0.5	0.8	0.8
Working Distance (WD) [mm]	8.2	1.0	1.0	0.7
Focal Length [mm]	18	9.0	3.6	1.8
Objective Field Number (OFN)	22	22	22	22
Immersion Medium	Air/dry	Air/dry	Air/dry	Air/dry
Spring Loaded	N/A	N/A	N/A	N/A
Termal Compensation Adjustment Ring for Interferometry Pattern	Yes	Yes	Yes	Yes
Adjustment Ring Fixing Screw	Yes	Yes	Yes	No
Chromatic Aberration Correction Level	Semi-apochromat (FL)	Semi-apochromat (FL)	Semi-apochromat (FL)	Semi-apochromat (FL)
Parfocal Distance [mm]	45	45	45	45
Back Focal Plane (BFP) Position [mm]	-3.2	-8.8	-4.8	-3.0
Outer Dimensions (W x H)	Φ 29.7 mm × 36.8 mm	Φ 29.8 mm × 44.0 mm	Φ 31.5 mm × 44.0 mm	Φ 29.0 mm × 44.3 mm
Screw Thread Size	W 20.32 mm × 0.706 mm (RMS)	W 20.32 mm × 0.706 mm (RMS)	W 20.32 mm × 0.706 mm (RMS)	W 20.32 mm × 0.706 mm (RMS)
Guaranteed Measurment Temperature	23 °C ±1 °C	23 °C ±1 °C	23 °C ±1 °C	23 °C ±1 °C
Storage Temperature/Humidity (Noncondensing Environment)	0 °C to 40 °C / 20%～80 %	0 °C to 40 °C / 20%～80 %	0 °C to 40 °C / 20%～80 %	0 °C to 40 °C / 20%～80 %
Usable Temperature	15 °C to 30 °C	15 °C to 30 °C	15 °C to 30 °C	15 °C to 30 °C
Intended Use	Indoor use	Indoor use	Indoor use	Indoor use

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