The Marumi Macro Achro 200 + 5 Filter DHG 62 mm is an achromatic conversion lens made of extra strong glass. The lens has a multiple coating which makes the lens water, scratch and dirt resistant. The macro achromatic lens shortens the focal length, so you can come closer to the object. Ideal for close-ups and product photography. The special designed ring prevents unwanted extra reflections. Compared with non-achromatic lenses (regular macro filters) this DHG lens (Digital High Grade) increases sharpness and shows more detail on difficult objects, such as glass and jewelry. An extension of the exposure time is not necessary.
The strength of an achromatic lens is specified in diopter, in this case +5. With the following formula you can calculate how you can reduce the minimum focus distance with a particular macro or close-up filter.
This formula is:
X : (D * X + 1)
X is the minimum focal length of your lens in meters and D is the diopter number on the close-up lens.
A calculation example:
You have a lens that can focus from 55 cm and using this close-up filter with a diopter of +5 . In this case, the calculation is:
0.55 : (5 * 0.55 + 1) and this is the same as:
0.55 : (2.75 + 1) or:
0.55 : 3.75 = 0.146 meters, so 14,6 cm.
Included in delivery
Marumi Macro Achro 200 + 5 Filter DHG 62 mm
0Marumi Macro Achro 200 + 5 Filter DHG 62 mm
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