
A PADI certification is a good option if you are looking to become a certified diver. PADI offers several levels of training. The courses usually include three main components. There is an online self-study module that will teach you the basics of diving, confined water and open water diving, as well as a practical dive to put all your knowledge into action. PADI certifications are great for anyone who is just starting to dive or has been diving for a while.
PADI
PADI's certification chart lists the different levels of certification. If you're looking to become a diving professional, PADI offers a variety of courses. PADI offers certifications for all levels, including Open Water Diver and Scuba Diver.

SSI
To become a SSI instructor, you must first be familiar with the SSI certification charts. Important to note is that SSI certifications begin at the basic level, and go up to more complex levels. SSI certification courses can be taken online or in person. You will be required to complete both open and closed water training sessions. You'll also have a specialized instructor who will organize your skills according to your performance.
NAUI
There are many differences between the NAUI and PADI certification charts. The biggest differences are in the teaching method and certification requirements. These differences can have a large impact on a diver's skill level. The best way to choose which certification to pursue depends on your attitude toward diving and your physical capabilities.
CMAS
CMAS padi's certification chart is slightly different from PADI's. Although the agencies are similar in many respects, their certifications differ. CMAS requires 4 dives to learn and a dive of 18m, while PADI requires 5 dives.
BSAC
After completing the BSAC Open Water Diver programme, a diver can take further courses with BSAC. The BSAC certification chart lists courses that can be taken to enable a diver to achieve the advanced level. These courses might be charged a fee of between 25 and 55 US Dollars.

Digital Underwater Photographer
The PADI certification chart as a digital underwater photographer provides an introduction to underwater photography and various digital camera techniques. This specialty can be completed in a single course or as a two-part course, and includes topics such as the use of colour filters and white-balancing, as well as camera set up. Students also learn about file formats and image resolution.