Learn Hardcore Hebrew: שדה הראייה רחב.

שדה here is usually pronounced sde, not sa-deh
הראייה is ha-re'iya, with a small break between re and i because of the א
רחב is ra-KHAV, with the stress on the last syllable and the Hebrew ח pronounced like kh in Bach or Scottish loch

If the sentence has niqqud, it would look roughly like שְׂדֵה הָרְאִיָּה רָחָב.

Why is there no word for is in the sentence?

Because in Hebrew, simple present-tense sentences often do not use a word for is/are.

So Hebrew commonly says:

But the natural English meaning is The field of vision is wide.

This is called a nominal sentence. In the present tense, Hebrew usually leaves out the verb to be.

Why is שדה pronounced sde here instead of sadeh?