Bleacher 4 Row 21' Tip & Roll Preferred Portable Aluminum - BLDP-421TRG Color:White Q4: What is the focal

Q4: What is the focal length and maximum aperture

1500 watts

Q: What is the Zeiss Touit 32mm f/1

(6) glass shelves & (1) mirror shelf

Bleacher 4 Row 21' Tip & Roll Preferred Portable Aluminum - BLDP-421TRG Color:White Q4: What is the focalBleacher 4 Row 21' Tip & Roll Preferred Portable Aluminum BLDP 421TRG Length: 21 4 row configuration seats 52 Lightweight and stable with double foot planks All aluminum 10 non skid seat planks and understructure Tips for easy mobility and storage Transition foot prevents floor marking (4) 4 non marring swivel casters 4 row bleachers do not exceed 30 in height Guard rails may not be needed (check your local codes) Also available as standard bleachers