William Optics Gran Turismo 81, f/5.9 OTA Blue

• Gran Turismo 81 , f/5.9 OTA. FPL53 three-element APO, 2.5” R&P Focuser.
• Bahtinov mask cover
• Dovetail plate
• Mounting rings
• CNC made handlebar

William Optics SpaceCat 51 250mm f/4

ZWO EAF Bracket for Celestron C8/C9.25

This bracket is designed to work with C8, C9 Celestron SCT scopes. You can directly connect it to the scopes without using the feather touch focusers.

It is CNC milled from an aircraft graded aluminum block. Quality reliable.

กล้องเล็ง SVBONY SV208 8x50 Straight-Through Correct Image Finder Scope พร้อมไฟ Illuminator

• The corrected image helps center objects precisely and quickly
• FMC coated glass results in less light loss and brighter images
• Excellent image sharpness with large field of view (FOV) of 7.3°
• Adjustable Brightness LED Illuminator make objects much more apparent against dark background
• Comfortable eye relief 
• Separately focusing of lens and crosshair is possible: Eyepiece and main objective can be focused independently so that you can obtain perfect focus for your eyes;
• Powered by 2x LR754 battery

SVBONY Dovetail Shoe / Base for Guidescopes and Finderscopes

• Standard dovetail shoe for guidescopes and finderscopes
• Solid all-metal construction with ultra-thin, ultra-lightweight design
• Width of internal slot is 5.1mm, can be fixed with M3-M5 screw
• Can be installed to: SVBONY SV48, SV48P, SV503 70/80/102ED, Celestron C8, C8HD, C925, C11HD, SKYROVER: 80ED, 102ED, 130APO, SKYROVER 100ED binoculars
• Compatible with other brands telescopes' mounting holes. Please see measurements of attachment slot in product descriptions

ตัวแปลง SVBONY Afocal Photography Fixed Camera Adapter for Spotting Scopes

ฟิลเตอร์ SVBONY UV IR Cut Filters สำหรับถ่าย, 1.25"

• Blocks undesirable ultraviolet and infrared rays that may interfere with obtaining the high contrast and high quality images possible with a digital sensor
• Serves as a permanent lens protector for DSLR cameras/CCD cameras/modified WebCams/telescopes
• True optical quality glass substrate and coatings.
• Achieves greater detail, less chromatic aberration, more natural colors and finer color gradation
• Combine with any standard 1.25” filter threads for 1.25" eyepieces and other accessories to deliver sharpest images;
• Reduce ghost images caused by IR radiation
• Comes with a plastic box to keep it safe and clean when not in use

• Quickly capture dark frames to optimize photo quality
• Opaque - blocks all light from the imaging camera sensor. Help remove dark currents - essential for astrophotography
• Easily eliminate camera noise and hot pixels
• Dark frame acquisition helps remedy such noise and "hot pixels" by canceling out these disruptive effects during image processing
• Threaded and can be directly connected to your filter wheelfor fast conversion between different filters;
• Made of metal for durability. High quality packing box includes foam-lined plastic case

Askar Guiding Ring Set for FMA180 Guidescope (Set of 2 Rings) #GR40

Askar Guiding Ring Set for FMA180 Guidescope (Set of 2 Rings) #GR40 is a stylish and elegant guiding ring with three-point collimation function. It can perfectly fit the Askar FMA180 to achieve ideal guiding effect. Though it’s designed mainly for FMA180, it’s suitable for tubes with a diameter of less than 50mm.

เมาท์ระบบคอมพิวเตอร์ iOptron HEM15 EQ SWG (ไม่รวมขาตั้ง)

• Advanced strain wave gear technology
• Payload capacity of 18 lbs (~8.2 kg) w/o CW and 26.5 lbs (12kg) with CW
• Mount weight of 5.5 lbs (2.5 kg)
• CNC machined
• Unique friction brake to safely stop movement during a planned or unplanned power interruption
• 360 second gear period
• Go2Nova® hand controller with ~212,000 object database
• No moving, no wrapping cable system
• Vixen dovetail saddle
• Built in zero position search and locator
• Integrated ST-4 autoguiding port
• Built-in Wi-Fi (via hand controller)
• USB port for firmware upgrade and computer control
• 3/8"-16 mounting hole for your camera tripod
• Soft carrying case
• Optional iPolar electronic polar scope for easy and accurate polar alignment
• Optional counterweight shaft (#P-SGP-CWS) and counterweight (#3006-05)
• Optional external iGuider for autoguiding (#3360-HEM)
• USA brand with 2 year limited warranty