J001 2” Single Speed Focus Seat for Astronomical Telescope
All-metal construction ensures durability and thermal stability during long observation sessions
View details →Astronomy Accessory from Nanjing AMADA Instrument.
All-metal construction ensures durability and thermal stability during long observation sessions
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Fixed 15″ per division reticle graduation remains unchanged across different lenses, ensuring consistent measurement reference
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USB3.0 interface enables high-speed data transfer for real-time imaging and high frame rates
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Compact size enables easy integration into existing microscope setups without structural modification
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Auto focus with 0.01mm precision and configurable focus area for consistent imaging
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Dual magnification options (0.7X and 1X) for flexible imaging across different sample types
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Modular design allows mixing M42/M48/M54 screw structures for custom configurations
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Precise focal plane alignment for deep space imaging with consistent thread dimensions across M42 / M48 / M54
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14 standard sizes from 20mm to 90mm short axis for matching various primary mirror apertures
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114 mm aperture with 900 mm focal length provides high light-gathering capacity for deep-sky objects
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127mm aperture provides sufficient light gathering for deep-sky and planetary observation
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130 mm diameter and 650 mm focal length for balanced light gathering and compact telescope design
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150 mm diameter and 750 mm focal length for balanced light gathering and focal ratio in Newtonian telescopes
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305mm diameter provides large light-gathering capacity for faint celestial objects
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203 mm aperture provides high light-gathering capacity for deep-sky and planetary observation
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203 mm diameter provides high light-gathering capacity for deep-sky and planetary observation
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51mm diameter aperture provides high light-gathering capability for astronomical observations
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76 mm diameter and 300 mm focal length provide a balanced aperture for amateur and educational astronomy
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76 mm diameter spherical primary mirror provides sufficient light gathering for planetary and lunar observation
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Two-stage Peltier cooling reduces dark signal for long-exposure astrophotography
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High sensitivity and low noise performance matching CCD quality with CMOS sensor technology
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1.25-inch outer interface for direct mounting on telescope eyepiece holders
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Dual-speed focusing with 1:10 fine adjustment for precise focus control during planetary and deep-sky observation
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Single-speed manual focusing with 70 mm stroke for precise telescope alignment
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Universal fit with φ84.5 mm dovetail interface for compatibility with standard Newtonian telescope mounts
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All-metal construction ensures durability and stable performance under repeated use
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Dual-speed focusing with 1:10 fine adjustment for precise focus control during planetary and deep-sky observation
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360° full rotation allows continuous adjustment of eyepiece angle without repositioning the telescope
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Dual speed focusing with 1:10 fine adjustment for precise focus control
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Dual speed focusing with 1:10 fine adjustment for precise focus control during planetary and deep-sky viewing
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1:10 double speed gear rotation enables fine focusing adjustments without excessive hand movement
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All-metal construction ensures durability and long-term use in field and observatory conditions
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All-metal construction ensures durability and stable alignment during long exposure observations
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All-metal construction ensures durability and long-term reliability under field use
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High precision double helical focuser with 0.05mm accuracy for smooth, repeatable focusing
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High precision double helical focuser with 0.05mm accuracy for stable and smooth focusing
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High precision double helical mechanism with 0.05mm accuracy for stable focusing
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Double helix mechanism ensures linear movement without rotation of inserted components
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39 mm focusing travel enables precise focus adjustment for astrophotography and long-exposure imaging
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4-element Plossl design delivers sharp images and wide 52 degree apparent field of view
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58-degree field of view provides wide, immersive planetary views
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62 degrees field of view provides a wide celestial view, ideal for deep-sky observation
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Direct C-mount camera attachment to 31.75mm eyepiece tubes without modifying the optical system
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Direct mechanical and optical coupling between 31.75mm eyepiece tubes and C-mount cameras
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Four-piece fully multi-layer green film lens reduces glare and improves contrast
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50-degree apparent field of view provides wide, immersive viewing for astronomical and inspection tasks
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3x magnification provides moderate power for detailed celestial observation
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Five filter positions allow rapid switching between imaging filters without removing the sensor or changing optics
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Five 2-inch filters built into a single wheel for rapid switching during deep space observation
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Nine filter positions allow rapid switching between planetary and deep sky imaging filters
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Enables simultaneous imaging and guiding through one telescope, reducing system complexity
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Double helix focusing provides fine, smooth adjustment for precise guide star alignment
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Enables continuous astrophotography without interrupting the main imaging path
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