Based on the product name "i1Studio 151 Extra Quality" (which appears to be a typo or specific branding—likely referring to X-Rite i1Studio or a similar color calibration device, or possibly a large-format printer/paper type), here are the most useful features depending on what the product actually is.
Since the name is ambiguous, I’ve broken it down by the most likely possibilities:
First, let’s clarify the hardware. The "151" refers to the i1Studio’s specific spectrophotometer model number (sometimes seen as i1Studio Rev. D or E). It is the successor to the legendary i1Display Pro but with a crucial upgrade: the ability to read printed color patches. i1studio 151 extra quality
The i1Studio is a "hybrid" device. It functions as:
The "extra quality" modifier usually refers to the printer profiling workflow. Out of the box, the i1Studio produces "Good" profiles. But with specific techniques, you can push it to produce "Extra Quality" —profiles that rival those made by expensive solutions like the i1Pro 3 Plus. Based on the product name "i1Studio 151 Extra
The standard i1Studio workflow takes about 15 minutes. The i1Studio 151 extra quality workflow takes 2 to 3 hours (mostly drying time).
Who needs it?
Who can skip it?