Die reël betref die lens.

Because die is the Afrikaans definite article, meaning the.

So in this sentence:

• die reël = the rule
• die lens = the lens

Afrikaans uses die for all definite nouns, whether they would be the in English singular or plural.

Unlike languages such as German or Dutch, Afrikaans does not change the definite article for gender. So you just use die.

Reël can mean several things depending on context. Common meanings include:

• rule
• line (for example, a line of text)
• sometimes something like an arrangement in other contexts

So the exact meaning depends on the sentence you are given. In Die reël betref die lens, reël is most naturally understood as rule if that is the meaning already provided.

This is a good example of a word where context matters a lot.

The ë is there to show that the vowels are pronounced separately.

In reël, the word is not pronounced like one smooth vowel sound. The dots help signal that it is something like:

• re-əl / ree-ul

The exact pronunciation can vary a bit by speaker, but the important point is that the e and the following vowel are kept apart rather than fully merging.

This kind of spelling mark in Afrikaans is called a trema.

A rough English-friendly pronunciation is:

duh REE-ul buh-TREF duh lens

A bit more carefully:

• Die = usually like duh
• reël = roughly REE-ul or REE-əl
• betref = buh-TREF
• lens = very close to English lens

Stress usually falls like this:

• reël: stress on the first part
• betref: stress on the second syllable

So the sentence flows roughly as:

duh REE-ul buh-TREF duh lens

Betref is a verb meaning something like:

• concerns
• pertains to
• regards

It is a fairly formal or neutral word, often used in writing, instructions, rules, notices, and official language.

In this sentence:

• Die reël = the subject
• betref = the verb
• die lens = the object

So betref is being used as a normal main verb.

You may also see it in phrases like:

• Wat my betref ... = As far as I am concerned ...
• Dit betref die kamera. = It concerns the camera.

This is normal Afrikaans main-clause word order:

subject + verb + object

So:

• Die reël = subject
• betref = verb
• die lens = object

That is directly parallel to standard English structure:

• The rule concerns the lens

Afrikaans often keeps quite straightforward word order in simple statements like this.

It is correct and natural, but it sounds somewhat formal or official compared with everyday speech.

In less formal Afrikaans, people might sometimes use other expressions depending on context, such as:

• gaan oor = is about
• het betrekking op = relates to

But betref is perfectly normal, especially in:

• written instructions
• rules
• official language
• technical contexts

So this sentence sounds quite appropriate if it comes from a manual, regulation, or technical text.

Yes, lens in Afrikaans is essentially the same word as English lens in both meaning and form.

That makes it an easy vocabulary item for English speakers.

A few useful related points:

• singular: die lens = the lens
• plural: die lense = the lenses

So Afrikaans often adds -e to form the plural here.

No, not in the way that German or Dutch do.

Afrikaans does not use different definite articles for masculine, feminine, or neuter nouns. You simply use die for all definite nouns.

So you do not have to learn something like:

• masculine article
• feminine article
• neuter article

That is one reason Afrikaans grammar is often easier for English speakers than some other Germanic languages.

You would use ’n, which is the Afrikaans indefinite article meaning a or an.

So:

• ’n reël betref die lens. = A rule concerns the lens.
• Die reël betref ’n lens. = The rule concerns a lens.

A useful pronunciation point:

• ’n is usually pronounced like a very weak uh
• even if it is written with an apostrophe and n, you do not pronounce it like a full English en

Not always. Concerns is often a very good translation, but the best English equivalent depends on context.

Depending on the sentence, betref might be better translated as:

• concerns
• relates to
• pertains to
• regards
• is about

So it is better to learn the general idea of the word rather than forcing one fixed English translation every time.

In Die reël betref die lens, concerns or pertains to works very well.

Afrikaans normally uses double negation.

So the negative version would be:

Die reël betref nie die lens nie.

That literally looks like:

• nie after the verb phrase
• another nie at the end of the clause

This is a very important feature of Afrikaans grammar. English speakers often forget the second nie at first.

It sounds acceptable and idiomatic, especially in a formal, technical, or written setting.

Because betref is a somewhat formal verb, the sentence feels like something you might read in:

• a manual
• a policy document
• a technical explanation
• a list of rules

In casual speech, someone might choose a more everyday wording, but the sentence itself is absolutely fine Afrikaans.