The most common and most likely answer to this crossword clue is the 10 letter word VIEWFINDER
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More clues leading to the result VIEWFINDER
Buddy explains!
The straight part
We know that "camera attachment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case camera attachment = viewfinder.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 VIEWFINDER mean?
VIEWFINDER noun- A device on a camera that shows what will appear in the field of view of the lens; it helps the user target a subject, zoom and focus the image.