Media Summary: This video is many months in the making! Once you have your This video talks about the stop caused by how a I do some ray tracing to show why a lens-less camera may look like it gives you a good interferogram but it's actually a disaster.

Bath Interferometer - Detailed Analysis & Overview

This video is many months in the making! Once you have your This video talks about the stop caused by how a I do some ray tracing to show why a lens-less camera may look like it gives you a good interferogram but it's actually a disaster. Please watch the new version of this video in my channel instead of this older version. DFTFringe has a handy calculator that can tell you how much your First video in a series of how to use DFTFringe. This goes over the minimum features you need to measure a mirror. InformationĀ ...

I show two web page interactive tools to help you choose a camera and lens to test your telescope mirror.

Photo Gallery

Setting up and using a Bath Interferometer (to test telescope mirrors)
Making a Bath interferometer
How to get super clean interferograms from your Bath Interferometer
Using a Bath Interferometer
Choosing a camera and lens for Bath Interferometry part 2 of 3: why many lenses won't work
Choosing a camera and lens for Bath Interferometry part 1 of 3: why are lenses mandatory?
Bath and mirror collimation.  How to adjust the Bath interferometer components.
(OLD VERSION) Setting up and using a Bath Interferometer
Bath Interferometer Astigmatism Calculator
Bath interferometer setup Part 1.
DFTFringe quick start guide version 2 (measuring telescope mirror with Bath Interferometer)
Choosing a camera and lens for Bath Interferometry part 3 of 3: two tools to help
View Detailed Profile
Setting up and using a Bath Interferometer (to test telescope mirrors)

Setting up and using a Bath Interferometer (to test telescope mirrors)

This video is many months in the making! Once you have your

Making a Bath interferometer

Making a Bath interferometer

How to build a simple

How to get super clean interferograms from your Bath Interferometer

How to get super clean interferograms from your Bath Interferometer

all about

Using a Bath Interferometer

Using a Bath Interferometer

How to set up and align a

Choosing a camera and lens for Bath Interferometry part 2 of 3: why many lenses won't work

Choosing a camera and lens for Bath Interferometry part 2 of 3: why many lenses won't work

This video talks about the stop caused by how a

Choosing a camera and lens for Bath Interferometry part 1 of 3: why are lenses mandatory?

Choosing a camera and lens for Bath Interferometry part 1 of 3: why are lenses mandatory?

I do some ray tracing to show why a lens-less camera may look like it gives you a good interferogram but it's actually a disaster.

Bath and mirror collimation.  How to adjust the Bath interferometer components.

Bath and mirror collimation. How to adjust the Bath interferometer components.

Bath

(OLD VERSION) Setting up and using a Bath Interferometer

(OLD VERSION) Setting up and using a Bath Interferometer

Please watch the new version of this video in my channel instead of this older version.

Bath Interferometer Astigmatism Calculator

Bath Interferometer Astigmatism Calculator

DFTFringe has a handy calculator that can tell you how much your

Bath interferometer setup Part 1.

Bath interferometer setup Part 1.

This video shows how to setup a

DFTFringe quick start guide version 2 (measuring telescope mirror with Bath Interferometer)

DFTFringe quick start guide version 2 (measuring telescope mirror with Bath Interferometer)

First video in a series of how to use DFTFringe. This goes over the minimum features you need to measure a mirror. InformationĀ ...

Choosing a camera and lens for Bath Interferometry part 3 of 3: two tools to help

Choosing a camera and lens for Bath Interferometry part 3 of 3: two tools to help

I show two web page interactive tools to help you choose a camera and lens to test your telescope mirror.

Bath update

Bath update

Which lens is best to use with the