Diopter

Marumi 67mm MC +3 200i

1 day:	200i
from 3 days:	180i
from 14 days:	150i
from 30 days:	140i
from 6 days:	140i

Hoya Close-Up +2 58 mm 150i

1 day:	150i
from 3 days:	135i
from 14 days:	113i
from 30 days:	105i
from 6 days:	105i

What is it and why is it necessary?

Here are the Diopter filters

Close Up or Full Field Diopters are used to shorten the close focusing distance when using a fixed focal length, allowing the camera to focus closer to the subject. This is extremely useful for lenses, especially Anamorphic lenses do not have a close focusing distance.

Diopter

freewell Prism Centerfield Split Diopter 82mm 400i

Marumi 67mm MC +3 200i

Hoya Close-Up +2 58 mm 150i

Kenko Close-Up +2 52mm 100i

What is it and why is it necessary?

Description

1 day:	400i
from 3 days:	360i
from 14 days:	300i
from 30 days:	280i
from 6 days:	280i

1 day:	100i
from 3 days:	90i
from 14 days:	75i
from 30 days:	70i
from 6 days:	70i