Answer: enlarger

AnswerCrossword Clue
ENLARGER

It can result in a blowup

ENLARGER

Photo lab purchase

ENLARGER

Photo-lab gadget

ENLARGER
Photographer's device
ENLARGER
Expander.
ENLARGERSpecial type of camera.
ENLARGERPhoto lab equipment.
ENLARGERPhoto developer's device
ENLARGEROptical projector
ENLARGERPhotographer's gear
ENLARGEROne expanding
ENLARGEROne swelling