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Nikon Rayfact 2.5xS/3.5xS/5xS

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【Features】
・	Large image size - φ86.4mm - For high resolution, large-sized line sensor cameras.
・	Recommendable line sensor cameras - 5μm×16K/5.2μm×12K/7μm×8K
・	Variable diaphragm, open aperture F2.5
・	Diaphragm lockable screws
・	RoHs compliant
・	Prism optical optimization model available.(Coaxial vertical prism ：Thickness up to 25mm) (Coaxial vertical prism not available at Tochigi Nikon)

Model	Nikon Rayfact 2.5xS	Nikon Rayfact 3.5xS	Nikon Rayfact 5xS
Type	L-OFM25143MN	L-OFM35156MN	L-OFM50167MN
Magnification	-2.5x	-3.5x	-5.0x
Focal length	116.3mm	116.3mm	116.4mm
F-Number(∞)	F2.5
NA(Diaphragm open)	0.143	0.156	0.167
Reference wavelength	546.07nm(e-line)
Wavelength range	400～700nm
Image size	φ86.4㎜
Object size(mm)*1	φ34.6	φ24.7	φ17.3
Distortion(%)*1	+0.01	-0.03	-0.03
Relative illumination(%)*1	95.4	99.2	99.7
Aperture scale	2.5, 2.8, 4, 5.6, 8, 11
Object-to-image distance(mm)	550.4	653.8	818.7
Working distance(mm)	102.8	89.2	79.0
Mount size	M67(P=0.75)
Flange-to image distance(mm)	307.5	424.6	599.8
Attachment size	M58(P=0.75)
Diameter/length	φ83㎜×140㎜
Weight	Approximately 1200g

*1 Highest image height (Y'= 43.2mm) at F2.5.

Rayfact 2.5xS/3.5xS/5xS Specifications

Manufacturer: Tochigi Nikon
Type: Line sensors
Measurement: -2.5x, -3.5x, or -5.0x
Image size: φ86.4mm
Focal length: ~116.3mm
Wavelength: 400 to 700nm

Rayfact 2.5xS/3.5xS/5xS Technical Resources

NikonRayfact2-5xVariableLens_Ver4.0.pdf