You can still make your light source bigger by using a simple bounce card.

你仍然可以使用简单的反光片来改变光源大小。

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Indoors, a bounce card like this has the added benefit of throwing light onto your subject from two directions, forward and bounced off the ceiling.

在室内，这种反光板还有一些额外的好处，可以从两个方向给被摄体打光：直接反射光和天花板发射光。

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The image below from ExpoImaging shows the various positions you can bend the bounce card.

FORBES: Going Rogue: Adding Flair to Photography with Lighting Tools

The smallest one, a bendable bounce card, measures 5 inches by 9 inches.

FORBES: Going Rogue: Adding Flair to Photography with Lighting Tools

Borrowing the same principles as the Lightscoop, you direct the light away from the subject, in this case reflecting it with the bounce card so a softer, diffused light illuminates the subject and background.

FORBES: Going Rogue: Adding Flair to Photography with Lighting Tools