I found some instructions about constructing a Holga lens for Canon bodies here:
www.litratista.org/2006/04/29/homemade-lens-part-1-eos-ho...
It took about 3 hours to make using all the wrong tools (a leatherman multitool instead of a dremel,) but the results are pretty decent.
Digal Holga lens
Photo Properties
NP! ID: 1691644
Title: Digal Holga lens
File Size: 1536 × 1152 – 421.63 KB
Created: Wed, 09/17/2008 - 8:12pm
Modified: Wed, 09/17/2008 - 8:12pm
File Type: image (jpeg)
Licence: None (All rights reserved)


Most RecentMost Recommended Comments (1)
at 20:13 on September 17th, 2008
Note that this 10D body has a plastic toy camera lens attached.