The min focusing for macro is 5cm.
You might need to get the tube adapter inorder to use closed-up
filter to increase the closed-up power.
The adapter come in 52mm or 37mm. More can be ready HERE.
So with the adapter, you can get 52mm or 32mm closed-up filter to add on.
If you interested, I am selling the 37mm tube adapter for A95.
for indoor, when you use ISO 50 and f8, usually you will get speed like 1/8sec or slower, it is good to mount your cam on tripod. The timer mode is to reduce the necessary shake when you press the shutter button.