The most common and most likely answer to this crossword clue is the 5 letter word KODAK
I've seen this crossword clue in The Times
K
O
D
A
K
More clues leading to the result KODAK
Buddy explains!

The straight part
We know that "Camera makers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case camera makers = kodak.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does KODAK mean?
KODAK noun- A camera: a device for taking still photographs.
- A still photograph.
- To photograph.
- To describe or characterise briefly and vividly.