There are certain features in some cameras such as the follow focus which may need a third party accessory to make it all happen. However in the case of some cameras such as the Canon 7D, you may have to be inventive about it. Something like what this person did when he made use of a $6 steel hose clamp from Home Depot.

DSLRs don’t normally have this follow focus feature but with this steel hose clamp paired with a rubber band around your focus ring, you may be surprised at what type of images you will get. It is an improvement and certainly something cost-friendly for people who want to explore image-enhancing opportunities.

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