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by PhotoDan
27.07.2019 02:05
Forum: Helicon Focus: Support
Topic: Camera not focusing with FB tube attached
Replies: 1
Views: 588

Camera not focusing with FB tube attached

I can not get my Canon 6D with a Canon 17-40mm L F4.0 lens to focus using the FB tube. The 6D works when I use the Canon 100-400 L F5.6 lens using the FB tube. The 17-40 lens is listed in the compatible lens. I used the 40mm settings when I downloaded the info into the FB tube and got the green ligh...