Binoculars & Telescopes › 70 mm › Accessory

NEW 203mm Primary and Secondary Telescope Mirror set. Spherical Primary mirror... NEW 203mm Primary and Secondary Telescope Mirror set. Spherical Primary mirror with Mirror Diameter of 203mm and Focal Length of 750mm Focal ratio: 750/203 = 3.69 Mirror substrate: Float Glass Reflectivity=86% Optical quality: Diffraction imaging limit... more

150X 70mm Aperture Astronomical Telescope Refractor Tripod Finder For Beginner... 150X 70mm Aperture Astronomical Telescope Refractor Tripod Finder For Beginner Description: This astronomical telescope monocular telescope is small and compact suitable for camping and stargazing in the wild. It can be folded to fit your eye distance... more

ABOUT MAGNIFICATION The focal length of the eyepiece combined with the focal l... ABOUT MAGNIFICATION The focal length of the eyepiece combined with the focal length of the telescope determines the magnification power. To calculate the power of your telescope with any particular eyepiece simply divide the focal length of the... more

Barska 40070 88x 70mm Compact Refractor Telescope w/ Tripod & Carrying Case - ... Barska 40070 88x 70mm Compact Refractor Telescope w/ Tripod & Carrying Case - AE10100. Barska 40070 88 Power Compact Refracting Telescope features 400mm focal length and fully coated achromatic 70mm diameter objective lens. Compact Refractor Barska... more

Free Express Shipping! iOptron 70mm White-Light Solar Filter Adapt Nighttime S... Free Express Shipping! iOptron 70mm White-Light Solar Filter Adapt Nighttime Scope for Solar Viewing, Optical Density of 5, 70mm Clear Aperture, Fits Most 70-90mm OTAs, 84-106mm Inner Diameter, Durable and Reliable SolarLite Polymer more

Product Description: Discover the stars with our high-quality telescope, perfe... Product Description: Discover the stars with our high-quality telescope, perfect for beginners eager to explore the cosmos. more

Embark on celestial adventures with the SUGIFT Telescope, tailored for kids, a... Embark on celestial adventures with the SUGIFT Telescope, tailored for kids, adults, and astronomy beginners. more

Product Description: Discover the stars with our high-quality telescope, perfe... Product Description: Discover the stars with our high-quality telescope, perfect for beginners eager to explore the cosmos. more

DayStar Filters 70mm White-Light Universal Lens Solar Filter (Single, 65-89mm ... DayStar Filters 70mm White-Light Universal Lens Solar Filter (Single, 65-89mm OD) ISO 12312-2 Certified for Solar Viewing, Safe Solar Viewing and Photography, For Lenses, Telescopes, and other Optics, Fits Outside Diameters from 65-89mm, 70mm Clear... more

DayStar Filters 70mm White-Light Universal Lens Solar Filter (2-Pack, 65-89mm ... DayStar Filters 70mm White-Light Universal Lens Solar Filter (2-Pack, 65-89mm OD) Safe Solar Viewing and Photography, For Lenses, Telescopes, and Binoculars, 12312-2 ISO-Certified SOLARLITE Film, Fits Outside Diameters from 65-89mm, 70mm Clear Filter... more

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Descriptions: Quality Refractor Telescope Optics: 500mm focal length and 70mm ... Descriptions: Quality Refractor Telescope Optics: 500mm focal length and 70mm aperture 500mm is a larger focal length than 400mm or 300mm which helps you to observe objects more clearly. Fully coated optical glass lens provides clearer and brighter... more

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Stepping into the art of stargazing for the very first time can be an overwhel... Stepping into the art of stargazing for the very first time can be an overwhelming experience. Overly complicated telescopes hidden features and confusing accessories only make the process of getting started more difficult. A balance between affordable... more

This 100mm x 70mm Telescope Secondary Mirror has a MAJOR Axis of 100mm and MIN... This 100mm x 70mm Telescope Secondary Mirror has a MAJOR Axis of 100mm and MINOR Axis of 70mm.Secondary Mirror: Glass 100mm x 70mmMAJOR Axis of 100mm.MINOR Axis of 70mm.Mirrors Aluminized: 89% SiO2 surface aluminized. more

ALING Telescope-Portable Astronomical Telescope For Beginners And Kids 70mm Tr... ALING Telescope-Portable Astronomical Telescope For Beginners And Kids 70mm Travel Scope Aperture 500mm AZ Mount Astronomical Refracting Telescope With Carry Bag Wireless Remote Highly recommend this astronomical telescope ideal for any... more

From exploring Jupiter’s equatorial cloud belts to Saturn’s impressive rin... From exploring Jupiter’s equatorial cloud belts to Saturn’s impressive rings the Explore One 70mm Gemini Telescope allows young astronomers to see Earth’s neighbors in a whole new way. Featuring superior optics that generate bright crisp images... more

Description: Material: plastic + metal Optical system: refraction system Focal... Description: Material: plastic + metal Optical system: refraction system Focal length: 300mm Focal ratio: 4.29 Eyepiece: 20mm 6mm Multiplier: 3X/1.5X Finder mirror: 5x24 Field of view: 1.2° Tripod: aluminum alloy tripod Total weight: 1.65kg Packing... more

Description: with tripod is quite convenient to use. Besides this astronomical... Description: with tripod is quite convenient to use. Besides this astronomical is suitable for beginners. With H20mm eyepieces and lunar to the details of the moon and use H6mm eyepieces to view ground objects . 70mm Multi-Layer Optical Coating greatly... more

Description: with tripod is quite convenient to use. Besides this astronomical... Description: with tripod is quite convenient to use. Besides this astronomical is suitable for beginners. With H20mm eyepieces and lunar to the details of the moon and use H6mm eyepieces to view ground objects on land. 70mm Multi-Layer Optical Coating... more