Reflectors and flags

Reflectors are often overlooked as lighting accessories, but you shouldn’t underestimate the power of them when it comes to your photography. They come in a variety of colors and sizes, making them a versatile tool suited to studio and location work.

In this photography class Karl guides you through a number of different reflectors, from the standard pop-open reflectors to some of his home-made ones, and provides visual examples of where and how they can be used.

In this photography class we cover the following:

  • Using reflectors to add light to an image
  • Using flags to create shadow
  • How and when to use negative fill
  • The most useful reflectors for different genres of photography
  • Visual examples of how reflectors and flags can be used

NOTE: This photography class is available with English subtitles.


  1. Hi Karl I have a Nikon D750 what size in mm would i have to cut a hole for the lens flare sheild

    1. Hi Wayne, the ratio of your sensor is 36mm x 24mm – so you can have any size you like that is larger than that but retains the same ratio. For example if you multiply by 5 you would end up with 180mm x 120mm. I make window masks in a variety of sizes maintaining the same ratio.

  2. Karl looks like he would have a short fuse but I must say he does really well when explaining basic things he would have learned long ago. Everyone is on a different path and I think he realises that which is why there’s never any ego or frustration behind him explaining things which would frankly bore him at this stage. That’s what I like about his teaching style. He still somehow puts energy and excitement into basic principles. Plus I think he just loves what he does. I’m sure he gets bored with it but Thankyou Karl. These things are invaluable to people just starting out.

    1. Hi Tod, thank you for your kind words and I would say you were correct on all counts in your comment, I really love photography, have done for 30 years, but I also love imparting knowledge even if for me it is quite basic. I think it’s also very important to impart it in a certain way so that it can be easily absorbed.

  3. Ok, I’ll stop watching your videos. After every video, I end up buying something more to my studio 🙂

    Jokes aside, the I didn’t even know about the foam board yet it’s pretty convenient to use for a lightweight v-flat. So many great tips, thanks!!

  4. Hi Karl,
    I have some spare cardboard sheets at home, and I wonder if I could use those instead of foam board as an alternative? Or would it not be as effective?

    1. Hi Maha, iof they are white then they will work as reflectors, the thing I like about foamboard is it is stiff and light weight.

  5. What sort of locations can you find that polished metal sheeting? I cant seem to find it in common hardware stores here in Canada. I rather like the look of it for a stage floor on product photos. Great video and I really enjoy seeing what other photographers create for custom lighting setups and workflows.

    1. Hi Jason, if you can’t find it at your hardware store, check with your local metal workshops or signmakers. Cheers Karl.

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