First ZenSlider promo video We finished editing our first promo video. We tested the load capabilities of ZenSlider using a Hasselblad H4D31 and a Really Right Stuff BH-55 ballhead. Total weight is 3.2 Kg. Enjoy ZenSlider and Hasselblad H4D31 from zenslider on Vimeo. Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.