Nikon Rayfact 2-5x Variable Lens

Quantity:
 
 
【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