89edoctor said:In fact I find that my camera can focus the object within about 2.5-3.00 cm.
But should I change another with the macro focus range 1-2cm?
Macro of 2.5-3.00 works well. Closer requires a steady hand. Although you get larger photos with decreased macro focus range, there is increased blur due to tremor.
My camera only has a macro of 4 cm. All the photos taken in this article was with a macro of 4 cm: