◆◆◆◆ Main light and supplementary light for indoor photography ◆◆◆

JD E 14 75w halogen modeling lamp is really a little weak. I suggest changing a big light bulb. As for what brand to change, I don't know much about it, so I don't recommend you.

Question 2

You should use a standard cover, otherwise the light will be too scattered. As for the beam barrel, it depends.

I hope it helps you. There are very few people in Baidu now, and there are no experts and professionals here. They won't help you answer your questions. Let's go to school to study.