Visible crew/equipment: When Charlotte approaches Wyle in front of the fire extinguisher, the boom mic is visible at the top of the screen. (00:10:40)
Visible crew/equipment: When Carrie is sitting at the table writing on her laptop after her trip with the girls to the sports bar, the camera comes round and you can see her TV. You can see a boom mic reflecting on the TV screen, and another camera.
Twenty-something girls vs. thirty-something women - S2-E17
Visible crew/equipment: A white screen and crew member holding a boom mic are reflected in Samantha's glasses when she is talking to Carrie on the beach.
Sacha

Oh come, all ye faithful - S1-E12
Visible crew/equipment: When Charlotte visits the psychic who tells her that she doesn't see marriage, a boom mic moving around is visible at the top middle of the screen, when the psychic is in shot.
Visible crew/equipment: During the scene when the four girls are at the bar talking, you can briefly see the boom mic swing quickly overhead at the top of the shot. (00:06:10)

Visible crew/equipment: After Carrie lies to Miranda about getting her teeth cleaned, she turns around and you can see the shape of a square microphone pack through her coat.
ViolaThrashAn american girl in paris (part une) - S6-E19
Visible crew/equipment: Big lighting screen reflected on Sam's glass. (00:10:02)
Sacha

An american girl in paris (part deux) - S6-E20
Visible crew/equipment: When the pastry shop scene starts, there's a wide angle of the store and a big glass door opening wide. The whole filiming crew and equipment are perfectly visible.
Sacha

An american girl in paris (part une) - S6-E19
Visible crew/equipment: When Big shows up at Carrie's place, a screen used for lighting and the boom mic are reflected on the car.
Sacha

An american girl in paris (part une) - S6-E19
Visible crew/equipment: Crew member in jeans with filming camera reflected on the Parisian hotel entrance.
Sacha
Lights, camera, relationship - S6-E5
Visible crew/equipment: Set lights and screens are reflected on both helmets' surfaces. (00:20:33)
Sacha
Visible crew/equipment: In the close-up shot of Big in the tub, the reflection on the bottle shows two lighting screens, a boom mic pole and a silhouette, most likely a crew member. (00:24:36)
Sacha
Visible crew/equipment: When Carrie confesses she bought six outfits for her date, camera and crew are reflected on the glass of Coke.
Sacha
Visible crew/equipment: At the phone booth, Steve says "blue moon", and right then two lighting screens get reflected on his lenses. (00:23:42)
Sacha

Visible crew/equipment: After Stanford tells Derek he's going to be a star, the steadicam operator is reflected on the mirror behind.
Sacha

Visible crew/equipment: When Stanford and Carrie walk backstage with the models, check the reflection on the glass and you'll see: the boom mic operator, camera and, best of all, a group of technicians crouching on the floor, failing to hide and moving around when Carrie and Stanford walk around.
Sacha

Visible crew/equipment: When Big arrives at the cafe a moving boom mic is perfectly visible on the glass behind with an arm and a hand moving it.
Sacha

I heart ny - S4-E18
Visible crew/equipment: Lighting screens are reflected on Sam's sun glasses when she spies Richard.
Sacha
Visible crew/equipment: When Carrie tells Big that there's no-one she'd like to be except Aidan, two lighting screens get reflected on his glass.
Sacha
Answer: Yes, it is.