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火山口景觀與科學技術

火山口景觀與科學技術

火山口景觀與科學技術

火山口景觀與科學技術

火山口景觀與科學技術

I examine an old camera lens in my hands and check the operation of the diaphragm.

Closeup of camera lenses with reflections

Close-up of a construction worker wearing gloves using a measuring tape measures holes in the wall of a house for sockets

A woman in a hard hat with a yellow construction level in her hands checks the sockets in the wall.

Close-up of a woman checking the smoothness of the sockets in the wall with a construction level in her hands.

黃鼠狼站立和警惕日本黃鼠狼野生

穿過洞穴_循環_水下

黃鼠狼站立和警惕日本黃鼠狼野生

Close-up of a camera lens seen through a torn paper hole, symbolizing hidden surveillance and observation. Perfect for concepts of spying, privacy, and security

Closeup of brown female eyes blinking

PM2.5

鑰匙孔和滑動電路板

Camera lenses for photographer work closeup

PM2.5

Modern camera lens to choose from

小孩，公園，玩

I clean the mirror of an old camera with a special wand, close-up

Abstract security camera with red indicator placed on the ceiling in dark room, safety and

Photographer examines the negatives of color film.

Content creator talking about camera lenses