The French photographer Frédéric Lepla, expert in the shooting of fireworks and an Hoya ambassador, has just published online 2 tutorials for amateur photographers on the best method to shoot fireworks.
The first tutorial provides the basis to produce your best pictures (camera, aperture, sensitivity, exposure time etc.). You can read it on Frédéric's website at the following address:
https://www.fireworksphotographer.com/howtophotographfireworks
The second tutorial clarifies why it is important to use a neutral density (ND) filter when shooting fireworks. With this accessory you can keep an aperture large enough to avoid the phenomenon of diffraction, and still use a long exposure time. You can read the article at the following address:
https://www.fireworksphotographer.com/whyiusendhoyaprondfilters
To read more about Frédéric Lepla and his biography, just click on the link below:
https://hoyafilter.com/community/ambassadors/frederic_lepla/