Crossword Genius

Orthodox image Japanese camera ejects first (4)

Ross

I believe the answer is:

ikon

I'm a little stuck... Click here to teach me more about this clue!

'orthodox image' is the definition.
'ikon' can be an answer for 'image' (synonyms). I am unsure of the 'orthodox' bit.

'japanese camera ejects first' is the wordplay.
I cannot quite understand how this works, but
'first' could be 'i' (I in Roman numerals eg Elizabeth I) and 'i' is located in the answer.
The remaining letters 'kon' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for ikon that I've seen before include "Religious painting" , "Devotional painting in Eastern Churches" , "Revered image" .)

I've seen this clue in The Independent.
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