Benbo Trekker brand_Canon The extension tubes included in

The extension tubes included in this set can be fitted between a C mount camera and lens

This one comes with 4 slide trays and the original carrying case

Cosmetically

but it's bigger by a couple of centimetres in every dimension

Benbo Trekker brand_Canon The extension tubes included inThe Benbo Trekker is a unique (and slightly awkward) tripod with some unique geometry. The legs and column all pivot along a large bent bolt (hence "Benbo") that is secured with a single large locking handle, so they can be locked and unlocked at once. The legs are also "upside down," so that the sealed, larger diameter sections contact the ground. This allows the tripod to be used in wet conditions where a normal tripod would suck water up into its