The SkyMaster series features multi-coated optics and high-index BaK-4 prisms, ensuring excellent light transmission, contrast, and resolution. The large objective lenses enhance light gathering, making them perfect for stargazing and low-light use. With higher magnifications, the SkyMaster 12x60mm brings celestial objects into sharp focus, offering detailed views of the heavens and beyond.FeaturesOptical SpecificationsMagnification: 12x, providing a closer view of distant objects.Objective Lens Diameter: 60mm (2.36 inches), which maximizes image brightness in low-light conditions.Angular Field of View: 5.3°, offering a wide enough view for observing celestial objects.Exit Pupil: 5mm (.2 inches), suitable for low-light conditions.Eye Relief: 17mm (.67 inches), ideal for eyeglass wearers.Close Focus: 59 feet (18 meters), allowing for observation of nearby objects.Interpupillary Distance: Adjustable from 56mm to 72mm (2.20 to 2.83 inches), accommodating a wide range of users.Diopter Adjustment Range: -4 to 8, ensuring precise focus for individual vision needs.Twilight Factor: 27, and Relative Brightness: 25, contributing to excellent low-light performance.Limiting Stellar Magnitude: Ideal: 11.39, Moderate: 10.39, Poor: 9.39, indicating the binoculars’ capability to observe faint stars.Optical QualityLens Coatings: Multi-Coated for sharp, clear views.Prism Glass: High-index BaK-4, known for superior optical quality and light transmission.Prism Coatings: Not specified, but the BaK-4 glass ensures excellent image quality.Design and BuildPorro Prism Design: Offers brighter and clearer views by allowing more light in, though it results in a larger form factor compared to roof prism binoculars.Protective Rubber Covering: Provides an ultra-firm grip and protects against minor impacts.Large Center Focus Knob: Easy to use for precise focusing.Tripod Adaptable: Allows for stable viewing, though the adapter is sold separately.Additional FeaturesWeight: 39.2 oz (1111 g), making them somewhat heavy but manageable for handheld use.Environmental Protection: Water-resistant, though not nitrogen-filled.Included Items: Nylon carrying case, objective lens cap, rainguard, neck strap, lens cloth, and instruction manual. SpecificationsGeneralMagnification:12xObjective Lens Diameter:60mm (2.36″)Focal Length of Objective Lens:228.11mm (8.98″)Angular Field of View:5.3°Linear Field of View (@1000 yds) / @1000 m):278 ft (92 m)Exit Pupil:5mm (.2″)Eye Relief:17mm (.67″)Close Focus:59 ft (18 m)Interpupillary Distance (max):72mm (2.83″)Interpupillary Distance (min):56mm (2.20″)Diopter Adjustment Range:-4 to 8Twilight Factor:27Relative Brightness:25Limiting Stellar Magnitude:Ideal:11.39 |Moderate:10.39 |Poor:9.39Lens Coatings:Multi-CoatedPrism Glass (Type):BaK-4Prism Coatings:N/AWeight:39.2 oz (1111 g)Environmental Protection:Water ResistantNitrogen Filled:NoTripod Adaptable:YesCarrying Case:NylonDimensions:210mm x 206mm x 72mm (8.25″ x 8.1″ x 2.8″)Included Items:Objective lens capRainguardCarrying caseNeck strapLens clothInstruction manualSolar WarningNever look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result.Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.Package Includes1 x Celestron SkyMaster 12x60mm Porro Binoculars1 x Case1 x Strap1 x Eyepiece Rainguard1 x Push-On Objective Caps
