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Categories & Keywords

Category:Architecture and Structures
Subcategory:Lighthouses
Subcategory Detail:
Keywords:Fourth-Order Fresnel Lens, Fresnel Lens, Maine, Owl's Head Light, Penobscot Bay, Rockland harbor, Sea Scape, coast, lighthouse, sea
Photo Info

Dimensions3456 x 5184
Original file size17.6 MB
Image typeJPEG
Color spacesRGB
Date taken17-Sep-16 10:58
Date modified17-Sep-16 10:58
Shooting Conditions

Camera makeCanon
Camera modelCanon EOS REBEL T5
Focal length21 mm
Max lens aperturef/3.4
Exposure1/200 at f/8
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeAuto
Exposure prog.Normal
ISO speedISO 100
Metering modePattern
Owl's Head Fresnel Lens

Owl's Head Fresnel Lens

View of the fourth-order Fresnel Lens of Owl's Head