Hello,

I have a system of two lenses with f1=10cm and f2=20cm. Magnification is M=-1.1x.

We take two lenses be following links: https://www.newport.com/p/KBX166 and https://www.newport.com/p/KBX154 .

And need to define a distance between these two lenses if we place an object in 2cm from the front focal point.

So in terms of this task, I have two questions:

1. How can I define in Zemax distance between the first lens and the object if I know that between the object and the FFL it is 2cm.

2. How can I measure the distance between two lenses and the total throw?

Thank you in advance!