Cassini Porro Prism Binoculars Solar Filter Caps w/Smartphone Adapter Nitrogen Purged Gray

Cassini Porro Prism Binoculars Solar Filter Caps w/Smartphone Adapter Nitrogen Purged Gray. A set of 2 Solar Filter Caps are included to safely view the sun. The SS-C1570SF is also a long eye relief binocular featuring 21mm of eye relief increasing the viewing comfort of all users. The prisms are positioned in a Porro prism design affording them increased depth perception over other binocular designs. Additionally the SS-C1570SF features fully multi-coated optics for improved glare reduction and further increased contrast & clarity water resistant comfort grip rubber armoring full range center focus and binocular tripod socket. Included with the Cassini SS-C1570 is a binocular tripod and tripod adapter carrying case neck strap lens cloth and protective eye caps and the G-SPA. As well as mounting to the binoculars the Galileo G-SPA Smartphone adapter lets you use the camera feature on your smartphone to take pictures or video through the optics of your binoculars telescope spotting scope microscope etc. as well. It also allows you to mount your Smartphone on a standard camera tripod for hands-free video calls family photos with everyone in the picture or anytime you want to include yourself in the action. Fits most popular smartphones. The Cassini SS-C1570SF features fully multi-coated optics for improved glare reduction and further increased contrast & clarity a 4.7mm Exit Pupil and exhibits a minimum focusing distance of 60?. Linear Field of View is 231? at 1000yds and Angular Field of View is 4.4. The Relative Brightness Index (RBI) is 21.78 and the Twilight Factor is 32.40. Interpupillary Distance (IPD) ranges from 59mm to 75mm and Eye Relief is 21mm. GALILEO SOLAR FILTERS CONFORM TO REQUIRMENTS OF ISO 12312-2:2015 (E) ''FILTERS FOR DIRECT OBSERVATION OF THE SUN'' Specifications for Cassini 15 x 70mm Binoculars Solar Filter Caps: Manufacturer: Cassini Color: Gray Magnification: 15 x Objective Lens Diameter: 70 mm Prism System: Porro Prism Material: BK-7 Image Stabilizer: No Eye Relief: 21 mm Exit Pupil: 4.7 mm Field of View Linear: 231 ft at 1000 yds Field of View Angle: 4.4 degrees Optical Coating: Fully Coated Binoculars Focus System: Center Focus Twilight Factor: 32.4 Interpupillary Distance: 59 - 75 mm Close Focus: 16 m Diopter Adjustment Range: -5 - 5 dpt Weather Resistance: None Yes Water Resistance Level: Water Resistant Length: 1.75 in Finish: Nitrogen Purged Fabric/Material: Rubber Package Type: Box Magnification Type: Fixed Features of Cassini 15 x 70mm Binoculars Solar Filter Caps Water Resistant Comfort Grip Rubber Armoring Binocular Table Top Pan Head Tripod Binocular Tripod Adapter Full Range Center Focus Fold Down Rubber Eye Guards Binocular Tripod Socket Carrying Case with Shoulder Strap Neck Strap Lens Cloth Package Contents: Cassini 15 x 70mm Binoculars Solar Filter Caps Carrying Case Neck Strap Lens Caps Solar Filter Caps Table-Top Tripod Tripod Adapter Smartphone Adapter Cassini SS-C1570SF: 15 x 70mm Binoculars Solar Filter Caps w/ Smartphone Adapter Gray