How to model converging illumination through object plane (in ZEMAX)
Oct 25, 2025 · Hello community, I'm designing a projection lens system for a 35mm film projector in Zemax OpticStudio and struggling with the correct sequential mode setup for the illumination …
Graphically determining the focal length of a converging lens
Nov 5, 2023 · The discussion revolves around graphically determining the focal length of a converging lens using the lens formula, specifically the relationship between object distance (do) and image …
What do convergence and divergence mean? And why do they matter?
I understand that when a series diverges, y doesn't approach 0 when x approaches infinity, and converging series do. But what does this say? I just want to understand some applications. NOTE: I'm...
Does Light Focus When Passing Through Converging and Diverging …
Jan 28, 2009 · The discussion centers on the optical behavior of a converging lens and a diverging lens separated by a distance greater than the focal length. The converging lens focuses parallel light rays …
Calculating Flow Rate: Pressure Source to Converging Nozzle
Jul 30, 2014 · The discussion revolves around calculating the flow rate of water from a pressure source through a converging nozzle to the atmosphere. Participants explore various equations and methods …
Finding Image Distance with a Converging Lens: Magnifying Glass …
Nov 14, 2015 · The discussion revolves around a problem involving a converging lens, specifically a magnifying glass with a focal length of 15.0 cm. The original poster seeks to determine the distance …
Finding Distance Between Lens Positions: Solve for a
Apr 3, 2007 · The problem involves finding the distance between two positions of a converging lens with a focal length of 4.2 cm, given that the total distance between the object and image is fixed at 40.0 …
Real Object, Images formed by a single converging or diverging lens
Mar 31, 2010 · The discussion revolves around the properties of images formed by single converging and diverging lenses, focusing on the truth of various statements regarding image characteristics …
What is the magnification problem with two lenses?
Oct 25, 2006 · The problem involves two lenses positioned 38 cm apart, where one lens is diverging with a focal length of -7 cm and the other is converging with a focal length of 16 cm. Participants are …
How to Calculate Radii for a Symmetric Converging Lens to Double …
Feb 16, 2009 · The discussion focuses on calculating the radii of a symmetric converging lens required to double the image size of an object located 34.0 cm from a screen, using the index of refraction of …