|Agat 18K half-frame camera|
image by Tony Kemplen (Image rights)
In 1988 Belomo made this small revision to the original Agat 18. The new model adds a threaded shutter release; a wider shutter-speed and film-speed range (now labeled in ISO); and a rubbery black lens cap on a leash, which also covers the shutter release.
As before, the name appears in Cyrillic, as "Агат-18K."