Al ver que hay una abolladura, fotografío la carrocería.

Al + infinitive is a very common Spanish pattern meaning when, upon, or on doing something.

So al ver means something like:

• when seeing
• upon seeing
• when I see / when one sees

In this sentence, a natural English idea is When I see that there is a dent...

A useful grammar note:

• al is the contraction of a + el
• with an infinitive, this forms the structure al + infinitive

Examples:

• Al llegar, llamo a mi mamá. = When I arrive, I call my mom.
• Al abrir la puerta, vi humo. = When I opened the door, I saw smoke.

In sentences like this, the subject of al ver is usually understood to be the same as the subject of the main verb.

Because hay is used to say that something exists: there is / there are.

So:

• hay una abolladura = there is a dent

You would not say está una abolladura for simple existence.

Compare:

• Hay una abolladura en la puerta. = There is a dent in the door.
• La abolladura está en la puerta. = The dent is on the door.

So:

• hay introduces something as existing
• está tells you where a known thing is

Another possible way to express the idea would be:

• El auto tiene una abolladura. = The car has a dent.

That version focuses on the car possessing the dent.
Hay una abolladura focuses on the fact that a dent is present.

Here, ver que... means to see / notice that...

So:

• ver que hay una abolladura = to see/notice that there is a dent

The word que connects ver to the full clause hay una abolladura.

You could also say:

• Al ver una abolladura... = Upon seeing a dent...

That version is a little more direct and compact.

The difference is small:

• Al ver que hay una abolladura = on seeing/noticing that there is a dent
• Al ver una abolladura = on seeing a dent

Both are natural, but ver que hay... slightly emphasizes the realization or observation.

Abolladura means dent.

It is commonly used for a dent in:

• a car
• metal
• a door
• bodywork or another hard surface

It comes from the verb abollar, meaning to dent.

Examples:

• La puerta tiene una abolladura. = The door has a dent.
• Le hice una abolladura al carro. = I put a dent in the car.

In everyday speech, abolladura is a normal and useful word when talking about vehicle damage.

Carrocería means bodywork or the outer body of a vehicle.

It refers to the exterior structure of the car, not the engine or interior.

So in this sentence, fotografío la carrocería suggests photographing the vehicle’s exterior body, likely to document damage.

Related ideas:

• la puerta = the door
• el parachoques / la defensa = the bumper
• el capó = the hood
• la carrocería = the bodywork

Depending on the situation, a native speaker might also say something more specific, such as:

• fotografío la abolladura
• le tomo fotos al daño
• fotografío la puerta

But la carrocería is perfectly understandable.

Because the verb fotografiar is conjugated with stress on the í in forms like:

• yo fotografío
• tú fotografías
• él/ella fotografía

The accent mark shows that the i is pronounced as a separate stressed vowel.

So fotografío is pronounced roughly like:

• fo-to-gra-FEE-o

This is similar to other verbs ending in -iar that take an accent in some forms, such as:

• enviar → envío
• confiar → confío

So the accent is not optional here; it is the correct spelling.

The present tense here can express a habit, procedure, or general action.

So the sentence can mean something like:

• When I see that there is a dent, I photograph the bodywork.
• Upon noticing a dent, I photograph the bodywork.

This sounds like a routine or standard practice, not necessarily one single past event.

If you wanted a past event, you would normally use the preterite:

• Al ver que había una abolladura, fotografié la carrocería. = When I saw there was a dent, I photographed the bodywork.

So the present here is very natural if the speaker is describing what they do in general.

Because Spanish usually leaves out subject pronouns when the verb ending already makes the subject clear.

• fotografío already tells us the subject is yo

So:

• fotografío la carrocería means
• I photograph the bodywork

You could say yo fotografío la carrocería, but that would usually add emphasis, contrast, or clarification.

For example:

• Yo fotografío la carrocería, y mi compañero llena el informe.

In neutral Spanish, leaving out yo is more common.

This is a very common question.

In general:

• ver = to see, to notice
• mirar = to look at

So ver is a better choice here because the idea is noticing that a dent exists:

• Al ver que hay una abolladura... = Upon noticing that there is a dent...

If you used mirar, it would suggest the act of directing your eyes at something, rather than the result of noticing it.

Compare:

• Miro la carrocería. = I look at the bodywork.
• Veo una abolladura. = I see/notice a dent.

So ver fits the meaning better in this sentence.

Fotografío la carrocería is correct and understandable, and it sounds somewhat formal or written.

In everyday speech, many native speakers in Latin America would often say:

• Tomo fotos de la carrocería
• Le tomo fotos a la carrocería
• Tomo una foto de la abolladura
• Saco fotos or saco una foto in some regions

So yes, fotografío is grammatical and natural enough, but casual spoken Spanish often prefers tomar fotos or, in some countries, sacar fotos.

This is more about style and register than correctness.

Yes, it is grammatical and understandable.

That said, depending on context, some speakers might choose a slightly more specific or more everyday version, such as:

• Al ver que hay una abolladura, le tomo fotos a la carrocería.
• Al ver una abolladura, fotografío el daño.
• Cuando veo una abolladura, la fotografío.

Why? Because if the important thing is the dent itself, speakers often mention the damage directly rather than the whole bodywork.

Still, the original sentence is completely valid. It sounds like the kind of sentence you might see in instructions, reports, or formal descriptions of a procedure.