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I am trying to shoot some garments such as hoodie tshirts.
I am using 2 softboxes with white lights of 350W each on a white background. The lighting looks good.
As per camera, I am using my 18-105mm Nikon lens shooting on Aperture mode with 200 ISO and some extra exposure, not zooming too much. I had the aperture at f3.4 or so and did not use a tripod.
However, when checking my photos, the background does not come white at all, it is still very yellow. The garment looks ok. It could be better but my concern is the background. It definitely has to do with the camera settings as the lighting set up is good.
How can I get a good white background so I can avoid too much Photoshop post retouching? What settings in my camera can help me with this?