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Nikon Rayfact 2-5x Variable Lens

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【Features】
・ Variable magnification : 2 - 5x
・ Prism optical optimization model available.(Coaxial vertical prism ：Thickness up to 25mm)
　(Coaxial vertical prism not available at Tochigi Nikon)
・ Large image size - φ86.4mm - For high resolution, large-sized line sensor cameras.
・ Recommendable line sensor cameras - 5μm×16K/5.2μm×12K/7μm×8K
・ Less difference in performance, securing performance in the whole range of magnification.
・ Variable diaphragm, open aperture F2.5
・ Diaphragm and floating ring setting lockable screws　
・ Gear on the diaphragm ring and the floating ring to have the mechanism be variable by external driving.
・ RoHs compliant
 
Main specifications
Model Nikon Rayfact 2-5x Variable Lens
Type L-OVM50167MN
Magnification range -2.0x ～ -5.0x
Magnification -2.0x -2.5x -3.0x -3.5x -4.0x -4.5x -5.0x (-5.2x)*2
Focal length 116mm
F-Number(∞) F2.5
NA(Diaphragm open) 0.133 0.143 0.15 0.156 0.16 0.164 0.167 0.168
Reference wavelength 546.07nm(e-line)
Wavelength range 400～700nm
Image size φ86.4mm
Object size(mm)*1 φ43.2 φ34.6 φ28.8 φ24.7 φ21.6 φ19.2 φ17.3 (φ16.6)
Distortion(%)*1 +0.08 +0.01 -0.02 -0.03 -0.03 -0.03 -0.03 (-0.03)
Relative illumination(%)*1 90.5 95.4 98.1 99.2 99.5 99.6 99.7 (99.7)
Aperture scale 2.5, 2.8, 4, 5.6, 8, 11
Object-to-image distance(mm) 503.6 550.4 601.0 653.8 707.9 763.0 818.7 (841.1)
Working distance(mm) 114.7 102.8 94.9 89.2 84.9 81.6 79.0 (78.1)
Mount size M67(P=0.75）
Flange-to image distance(mm) 248.8 307.5 366.1 424.6 483.0 541.4 599.8 (623.1)
Attachment size M58（P=0.75）
Diameter/length φ84mm×140mm
Weight Approximately 1350g
*1 Highest image height (Y'= 43.2mm) at F2.5.
*2 -5.2x : To fix the magnification at -5.0x and move the lens outward up to the maximal point.
Model Nikon Rayfact 2-5x Variable Lens (Prism)
Type L-OVM50170MN-BS
Magnification range -2.0x ～ -5.0x
Magnification -2.0x -2.5x -3.0x -3.5x -4.0x -4.5x -5.0x (-5.2x)*2
Focal length 117mm
F-Number(∞) F2.5
NA(Diaphragm open) 0.133 0.144 0.151 0.157 0.162 0.166 0.17 0.171
Reference wavelength 546.07nm(e-line)
Wavelength range 400～700nm
Image size φ86.4mm
Object size(mm)*1 φ43.2 φ34.6 φ28.8 φ24.7 φ21.6 φ19.2 φ17.3 (φ16.6)
Distortion(%)*1 +0.07 -0.01 -0.03 -0.05 -0.05 -0.05 -0.05 (-0.04)
Relative illumination(%)*1 88.2 93.3 96.2 97.5 98.1 98.6 99.0 (99.1)
Aperture scale 2.5, 2.8, 4, 5.6, 8, 11
Object-to-image distance(mm) 513.7 561.0 612.1 665.4 720.1 775.7 831.9 (854.5)
Working distance(mm) 119.8 107.8 99.8 94.0 89.7 86.35 83.7 (82.8)
Mount size M67(P=0.75）
Flange-to image distance(mm) 253.9 313.2 372.3 431.4 490.3 549.3 608.3 (631.8)
Attachment size M58（P=0.75）
Diameter/length φ84mm×140mm
Weight Approximately 1350g
*1 Highest image height (Y'= 43.2mm) at F2.5 with prism (25mm thickness･material BK7 or equivalent) to put between an object and the lens.
*2 -5.2x : To fix the magnification at -5.0x and move the lens outward up to the maximal point.
Specifications
  • Manufacturer: Tochigi Nikon
  • Type: Line sensors
  • Magnification range: -2.0x to -5.0x
  • Image size: φ86.4mm
  • Focal length: 116mm
  • Wavelength: 400 to 700nm