RT-M1228-MPW3

Home Optics Macro & Fixed focal length lenses EN-5RT series

RT-M1228-MPW3

Specifications

Main optical specifications
Focal length	(mm)	12
Magnification (1)	(x)	0.106
Image circle diameter	(mm)	11.0
Max sensor size		2/3″

Angle of view
1/2.5"	(deg)	33
1/1.8"	(deg)	40.8
2/3”	(deg)	49.3

Object field of view
1/2.5" (1)		53.77 x 40.38
1/1.8" (1)		67.26 x 50.28
2/3” (1)		80.19 x 66.89

Advanced optical specifications
Working distance range (2)	(m)	0.1 - inf
ƒ/N		2.8 - 16
Back focal length	(mm)	9.2
Distortion on 1/2.5" (3)	(%)	0
Distortion on 1/1.8" (3)	(%)	0.04
Distortion on 2/3" (3)	(%)	0.10

Mechanical specifications
Iris control		Manual
Focus control		Manual
Mount		C
Filter thread		M27 x 0.5
Outer diameter	(mm)	29.0
Length (4)	(mm)	43.5
Mass	(g)	60

Last update 28 Sep 2022

Notes

Calculated at minimum object distance.
Working distance: distance between the front end of the mechanics and the object.
Value calculated at the corner point of the sensor diagonal. For distortion graphs see datasheet
Measured from the front end of the mechanics to the camera flange at infinite focusing.

All product specifications and data are subject to change without notice to improve reliability, functionality, design or other. Photos and pictures are for illustration purposes only.

Layout files

Compatible products

Despite the efforts made to generate an error-free compatibility list, we always recommend to consult the Opto Engineering® technical support department before purchasing a compatible product. Opto Engineering® shall not be liable for any damage or malfunctioning caused by the incorrect selection of a compatible product.