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BTI 310-7578-BTI Replacement LampType: Projector LampCompatibility: 310-7578-BTI Replacement LampSpecifications: Lamp Life:2000 Hour Standard
2500 Hour Economy Mode
Lamp Power:260 WParts: 6 Month LimitedModel #: 310-7578-BTI
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BTI Projector LampType: Projector LampCompatibility: Projector LampSpecifications: Lamp Power:150 W
Lamp Life:2000 HourParts: 6 MonthModel #: 310-3836-BTI
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Nikon 24-85mm f/2.8-4D IF AF Nikkor Zoom LensType: Zoom LensDiameter: 72 mmCompatibility: FX
DX
FX in DX Crop Mode
35mm FilmSpecifications: Focal Length Range: 24-85mm
Maximum Aperture: 2.8
Minimum Aperture: 22
Minimum Focus Distance: 1.6 ft. (0.5m)
Maximum Angle of View: 84°
Minimum Angle of View: 20°30'
Maximum Reproduction Ratio: 1:2
Dimensions: 3.1" x 3.2" / 78.5 x 82.5mm (Diameter x Length)
Weight: 19.2 oz. (545g)Model #: 1929
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Canon TS-E 24mm f/3.5L II Tilt-Shift LensType: Tilt-Shift LensCompatibility: Four Thirds SystemDiameter: 82 mmSpecifications: Focal Length & Maximum Aperture: 24mm 1:3.5
Minimum Aperture: f/22
Lens Construction: 16 elements in 11 groups
Diagonal Angle of View: 84° (without tilt or shift)0
Image circle diameter: 67.2mm
Focus Adjustment: Manual focus, rear focusing system (no floating system)
Closest Focusing Distance: 0.69 ft./0.21m (maximum close-up magnification: 0.34x)
Aperture Control: EMD with 8 blade iris diaphragm, circular aperture
Max. Diameter x Length, Weight: 3.5" x 4.2"/88.5 x 106.9mm, 27.5 oz./780gModel #: 3552B002
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BTI Projector LampType: Projector LampCompatibility: Projector LampSpecifications: Lamp Power:250 W
Lamp Life:3000 HourParts: 6 MonthModel #: 310-4747-BTI
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CELESTRON AstroMaster 130EQ 31045 TelescopeType: TelescopesSpecifications: Optical Design: Newtonian Reflector
Aperture (mm): 130 mm (5.12 in)
Focal Length: 650 mm (26 in)
Focal Ratio: 5
Focal Length of Eyepiece 1 (mm): 20 mm (0.79 in)
Magnification of Eyepiece 1: 33 x
Focal Length of Eyepiece 2 (mm): 10 mm (0.39 in)
Magnification of Eyepiece 2: 65 x
Finderscope: Built-on StarPointer
Mount Type: CG-3 Equatorial
Tripod: 1.25" steel tube legs
Highest Useful Magnification: 307 x
Lowest Useful Magnification: 19 x
Limiting Stellar Magnitude: 13.1
Resolution (Rayleigh): 1.07 arc seconds
Resolution (Dawes): 0.89 arc seconds
Light Gathering Power (Compared to human eye): 345 x
Apparent Field of View: 1.5 degree
Optical Coatings: Aluminum
Optical Tube Length: 24 in (610 mm)Color: MultiField of View: 79 ft (24 m) (@1000 yds)Model #: 31045