Advantages disadvantages
Benefits:
-Adaptable Easily on all lenses with a diameter between 43 and 67mm without purchasing additional adapter since 43-67mm universal adapter is supplied with the lens.
-Can Be used both on bridge on reflex
-quality Of stunning image, having nothing to do with the studding found for about the 20th batch. The price difference is there but do not hesitate one second between.
-Good Dive, no loss of light or automation of the device
Disadvantages:
-Its Small diameter may cause vignetting on the short focal lengths and objectives having a large diameter
-As With all studding we lose in depth of field (the depth of field is smaller) but choosing a small opening can improve this phenomenon (albeit weak fields depths can be very interesting in macro)
