Traditional Culture Encyclopedia - Photography and portraiture - Is the wide-angle macro lens of the old frog copied?

Is the wide-angle macro lens of the old frog copied?

No, the old frog lens is unique in optical design and manufacture. It has many patents and is not plagiarism. The old frog lens focuses on manual focusing and macro photography, and its products can show excellent details and color performance when shooting at close range. The old frog mirror is also small in size and weight, which is convenient to carry and use.