[Jeffrebbie]

I would like to ask all your experts a couple of questions.
My camera doesn't support aperture or shutter priority, but it supports M mode.
I would like to capture fast-moving things for example cars, I adjust the shutter speed to be 1/250s and selecter the largest aperture (f2.8) but the resulted photo is black. I doesn't apply flashlight as I think the indoor lighting is adequate.
Besides, I would like to create the blurred background effect. I select the largest aperture(f2.8) and the suitable shutter speed. However the resulting photo seems clear everywhere. I don't know why...............

Can anyone help me ?
Thanks you guy!

[jackngai]

請說明你用哪個機種及型號.....

[Jeffrebbie]

canon a40