Diopters are optical close up lenses that make macro photography easy.
•When added to a lens they greatly narrow the depth of field while reducing the minimum focusing distance of your lens.
•The effective focal length of the dioptere are:
• +1 = 1000mm
• +2 = 500mm
• +3 = 333mm
• +4 = 250mm
• +5 = 200mm
Reviewed by 1 customers
It picked this up as an alternative to the Canon 500D close up. While its construction and focal construction are different they yield about the same result. The Canon 500D is more of a straight magnification while this has a sweet spot. At 1/3 the price it is not a compromise.