The Digital Video Information Network - View Single Post - What is this circular background blur, home made DOF Adapter

Jon Pettersen · June 11th, 2008, 03:18 AM

I experienced the same problem with my DIY adapter. Like this: http://www.pettersen-prod.com/35mm%2...web/still4.jpg

I had great luck in changing to a different, larger achromat that I made out of two binocular front elements. The "Vortex" dissapeared completely. The GG was not changed.

June 11th, 2008, 03:18 AM	#3
Jon Pettersen New Boot Join Date: Jan 2007 Location: Norway Posts: 18	I experienced the same problem with my DIY adapter. Like this: http://www.pettersen-prod.com/35mm%2...web/still4.jpg I had great luck in changing to a different, larger achromat that I made out of two binocular front elements. The "Vortex" dissapeared completely. The GG was not changed.