Az élesség és az utómunka jó.

Az is the Hungarian definite article, equivalent to the.

Hungarian has two forms:

• a before a consonant sound
• az before a vowel sound

Here both nouns begin with vowels:

• élesség
• utómunka

So you get:

• az élesség
• az utómunka

This choice depends on the following sound, not on meaning.

Because both élesség and utómunka are separate definite nouns in the coordination.

So Hungarian naturally says:

• az élesség és az utómunka

rather than using one article for both.

For an English speaker, this may feel a bit more explicit than English, but it is very normal in Hungarian to repeat the article in this kind of structure.

In Hungarian, the verb to be is usually omitted in the present tense, third person when the predicate is a noun or an adjective.

So:

• A kép jó. = The picture is good.
• Az élesség jó. = The sharpness is good.

That is why Az élesség és az utómunka jó. has no visible verb meaning is/are.

But in other persons, Hungarian does use the verb:

• Jó vagyok. = I am good.
• Jó vagy. = You are good.

This is a very normal Hungarian word order.

Hungarian often puts the topic first and the new information/comment later. In this sentence:

• Az élesség és az utómunka = what we are talking about
• jó = what is being said about it

So the sentence ends with the evaluation.

You can also say:

• Jó az élesség és az utómunka.

That version is possible too, but it gives jó more emphasis, something like The sharpness and post-processing are good with stronger focus on good.

This is a good question, because learners often expect a plural form when there are two things.

With a clearly plural subject, Hungarian often uses a plural predicate adjective:

• A képek jók. = The pictures are good.

But with two singular nouns joined by és, Hungarian can use a singular predicate when the speaker is judging them together as one combined set of qualities.

So here:

• Az élesség és az utómunka jó.

sounds like an overall assessment of both aspects together.

In some contexts, jók could also appear if the speaker wants to stress that both items are individually good. But the singular jó is very natural in short evaluative comments like this.

The ending -ség makes an abstract noun, much like English -ness.

So:

• éles = sharp
• élesség = sharpness

This is a very common Hungarian pattern:

• szép = beautiful

• szépség = beauty

• kedves = kind
• kedvesség = kindness

The pair -ság / -ség follows vowel harmony. Here -ség is used.

Yes. Hungarian forms compounds very freely.

Utómunka is made of:

• utó- = after-, post-
• munka = work

So literally it is something like after-work or post-work, and in context it means post-processing or post-production work.

This kind of compact compound is extremely common in Hungarian.

A few useful pronunciation points:

• j in Hungarian sounds like English y
• s sounds like English sh
• long vowels with accents really are longer: ó, é

So roughly:

• jó ≈ yoh
• élesség ≈ ay-lesh-shayg, with a long sh sound in the middle
• utómunka ≈ oo-TOH-moon-kaw

Also, Hungarian words are normally stressed on the first syllable:

• Élesség
• Utómunka
• JÓ