 |
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. |