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Skyoptikst 90mm F10 900mm Refractor Telescope OTA w/5x24 Finderscope & Tube Ring For Sale

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Skyoptikst 90mm F10 900mm Refractor Telescope OTA w/5x24 Finderscope & Tube Ring:
$219.99

Product DescriptionUpgrade your astronomical observation setup with the Skyoptikst 90mm F9 900mm Refractor Telescope Optical Tube (OTA)—the core component for building a high-performance refractor telescope.Core AdvantagesProfessional Refractor Optics：Adopts double separation four-surface image correction refraction structure, 90mm large effective aperture ensures light gathering power, ideal for lunar observation, planetary viewing, and deep sky target capture.High-Precision Coating：Full surface multi-layer broadband coating minimizes light loss, restores true color, and delivers crisp, clear images even in dim night sky conditions.All-Inclusive OTA Kit：Includes pre-installed tube rings, 5x24 fully corrected image finderscope (for quick target alignment) and Vixen dovetail bar—no extra assembly required for mounting.Smooth Precision Focusing：1.25-inch (31.75mm) focus interface with integrated precision machining focusing gear, eliminates screw loosening issues of standard focusers, ensuring stable and accurate focusing.Sturdy & Lightweight Build：CNC machined aluminum alloy main lens barrel, durable yet lightweight (only 1.70kg), with a portable barrel clamp for easy transport to observatories, camping sites, or stargazing locations.
Technical Specifications

ParameterSpecificationBrandSkyoptikstOptical StructureDouble separation four-surface image correction refractionEffective Aperture90mmObjective Focal Length900mmOptical CoatingFull surface multi-layer broadband coatingFinderscope5x24 Fully corrected image FinderscopeFocus Interface1.25 inch (31.75mm)Focusing GearIntegrated precision machining designMain MaterialAluminum alloyProduct WeightApprox. 1.70kgIncluded ComponentsVixen dovetail bar, pre-installed tube rings
Important Notes

• Package Includes ONLY：Telescope OTA, barrel clamp, 5x24 fully corrected image finderscope.
• Eyepieces, diagonal mirror, telescope mount, and tripod are NOT included in this listing.
• The Vixen dovetail bar ensures compatibility with most standard astronomical telescope mounts.

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