Focus question ( white box )

What would I have to do to make the blueish tint disappear ? Like I said, I do shoot in manual mode, and shoot the grey card before hand and set it to that.

90blackcrx wrote in post #9708967
What would I have to do to make the blueish tint disappear ?

Correct the white balance.

True

Somehow you're screwing this up.

chauncey wrote in post #9709187
True

Somehow you're screwing this up.

I don't see how, I focus on the grey card, zoom in so it fills the view and snap the picture, then set it to that.

90blackcrx wrote in post #9713367
I don't see how, I focus on the grey card, zoom in so it fills the view and snap the picture, then set it to that.

Perhaps the grey card isn't as neutral as it should be?

90blackcrx wrote in post #9713367
I don't see how, I focus on the grey card, zoom in so it fills the view and snap the picture, then set it to that.

Try it again. Camera on tripod, gray card inside the lightbox and propped up so that it can fill the cameras view but still catches light from the remote, and hold the light in the exact same position that it will be when taking the real shots.

krb wrote in post #9713709
Try it again. Camera on tripod, gray card inside the lightbox and propped up so that it can fill the cameras view but still catches light from the remote, and hold the light in the exact same position that it will be when taking the real shots.

I'll do that, the only difference would be the tripod. The grey card has worked well up until this point, never had an issue before with a grey card.

My guess is that while juggling the light and the camera you're holding the light differently when shooting the gray card than you are when shooting the items. That's why I think the tripod will help.

Look at the image then look at the knife...can you discern the difference?

krb wrote in post #9715957
My guess is that while juggling the light and the camera you're holding the light differently when shooting the gray card than you are when shooting the items. That's why I think the tripod will help.

I'll try it, so basically put the grey card where I would be shooting the object right ?

chauncey I'm not sure what your mean

90blackcrx wrote in post #9718265
I'll try it, so basically put the grey card where I would be shooting the object right ?

Exactly. You want to make sure that the light hitting the gray card is going to be as similar as possible as what will be hitting the actual object.

krb wrote in post #9718333
Exactly. You want to make sure that the light hitting the gray card is going to be as similar as possible as what will be hitting the actual object.

I might of been a little closer then I wanted to be, and not in the same spot in the room. I'll post back as soon as I get a chance.

90blackcrx wrote in post #9703324
Yeah I have a tripod, just no remote right at the moment, but thats still better then hand held. Point taken thanks

While you're at it, 1/5 is in the "danger zone" for mirror vibrations affecting the exposure (1/30 to 1 or 2 seconds).

Ok, we shot the grey card, and used a tripod this time with a two second delay to get rid of camera shake. First one is in the middle, second is +1, third is +2. Still seem bluish ?

Looks much better, but underexposed. Do the metering with the gray card. The camera will assume that everything is supposed to average out to gray, which is what your background looks like in the first shot. You need to be at least a stop higher than your +2 shot.