Port with flat optical glass element. Large 5" (127mm) outer diameter for use with telephoto and specialty lenses. Telephoto lenses are not recommended for use underwater.

This port can be attached directly to housings featuring the Dry Lock (DL) port system or combined with DL extensions.

SPECIFICATIONS:

• The optical grade glass element
• Acetyl body
• 5" front diameter (127 mm)
• 3" overall diameter  x 1.625" length (135 x 41 mm)
• Weighs 14.3 oz (405 g)