- #1
martim
- 2
- 0
Hi, i have a simple optical system composed of:
1. objective with 50 mm focal lenght
2. CCD camera that can not be mounted behind the objective, for mechanical reasons... it can only be mounted 1-2 cm far behind the objective.
So i need to "translate" the focal point of the objective 1-2 cm behind the ojcetive original focal point.
How can i do this?? Have i two use one or at least two lenses?
Thanks in advance!
1. objective with 50 mm focal lenght
2. CCD camera that can not be mounted behind the objective, for mechanical reasons... it can only be mounted 1-2 cm far behind the objective.
So i need to "translate" the focal point of the objective 1-2 cm behind the ojcetive original focal point.
How can i do this?? Have i two use one or at least two lenses?
Thanks in advance!