Fresnel Lens

Fresnel Lens: Love Point, MD, 4, F

Fresnel Lens: Ludington North Breakwater, MI, 4, F

Fresnel Lens: Lydia Ann Channel (Aransas Pass), TX, 4 Drum, F

Fresnel Lens: Lydia Ann Channel (Aransas Pass), TX, 4, F

Fresnel Lens: Lynde Point (Saybrook), CT, 5, F

Fresnel Lens: Makapu'u Point, HI, Hyper-radial, F/W

Fresnel Lens: Manistique, WI, 4, F

Fresnel Lens: Manitowoc North Breakwater, WI, 5, F

Fresnel Lens: Marblehead (Sandusky), OH, 3.5, FL

Fresnel Lens: Marcus Hook Rear Range, DE, 4th Range, F

Fresnel Lens: Marquette Harbor MI, 4, F

Fresnel Lens: Marshall Point, ME, 5, F

Fresnel Lens: Mary Island, AK, 4, F

Fresnel Lens: Maryland Point, MD, 4,

Fresnel Lens: Matagorda Island, TX, 3,

Fresnel Lens: Matinicus Rock, ME, 3, FL

Fresnel Lens: Mendota, MI, 4, F/W

Fresnel Lens: Miah Maull Shoal, NJ, 4, FL

Fresnel Lens: Michigan City East Pierhead, IN, 5, F

Fresnel Lens: Michigan Island, WI, 3.5, FL/W

Fresnel Lens: Middle Island, MI, 3 Part,

Fresnel Lens: Middle Island, MI, 4,

Fresnel Lens: Mile Rocks, CA, 3, F/W

Fresnel Lens: Milwaukee Breakwater, WI, 4, F

Fresnel Lens: Milwaukee North Point, WI, 4, F/FL

Fresnel Lens: Minots Ledge, MA, 3, F