William Optics 2 inch Rotolock M63 for GT71 / GT81 / Z73 / Z103 - Silver

William Optics All New Slide-base UniGuide 32mm Scope - Red

 Support QHY, SBIG, ZWO and other 1.25" cylinder type Guiding Cameras

William Optics New Adjustable Flat61 for Z61

William Optics All New Adjustable Flat6AIII

William Optics Adjustable reducer flattener Flat73R for Z73

New, dedicated 2" flattener by William Optics optimized for use with their Z73 Zenithstar OTA. Designed for APS-C size or smaller imaging chips (not for use with full-frame cameras).

• Features an M63 male thread for a direct threaded connection to the Z73 on the telescope side.
• On the camera side, the flattener has a male M48x0.75 thread. You can use your Canon or Nikon DSLR directly with the use of an optional M48 camera-specific T-ring (sold separately). With this, your camera chip will be placed at the correct 55mm working distance.
• Note that you cannot use this with the smaller T rings that have a 42mm T thread.
• The WO Flat73R also has a female M48x0.75 (2" filter thread) on the inside to which you can attach standard 2" filters. To access this thread, you need to unscrew the telescope adapter portion of this flattener.
• A very neat fature of this item is that a rotator/camera angle adjuster is built into the mechanism of this item, making a separate rotator unnecessary.

William Optics Guide Star 61 (Soft Carry Case included)

William Optics ZenithStar 61 II Gold *รวม Uniguider*

• รวมกล้องไกด์รุ่นใหม่ Slide-base UniGuide 32mm Scope!
• Latest 2nd Gen version! 
• 61mm f/5.9 doublet air-spaced objectives APO
• Use of synthetic fluorite FPL-53 glass material
• Very sharp image with excellent colour correction
• Precision optics with fully multi-coated lenses using super-high transmission (STM) coating on all surfaces
• Designed for astrophotography, wildlife photography & visual observation 
• Product of Taiwan. 2-year warranty

William Optics ZenithStar 61 II f/5.9 OTA with Cat Handle Bar - Space Gray

• Latest 2nd Gen version! 
• 61mm f/5.9 doublet air-spaced objectives APO
• Use of synthetic fluorite FPL-53 glass material
• Very sharp image with excellent colour correction
• Precision optics with fully multi-coated lenses using super-high transmission (STM) coating on all surfaces
• Designed for astrophotography, wildlife photography & visual observation 
• Product of Taiwan. 2-year warranty

William Optics ZenithStar 61 II Red *รวม Uniguide 32mm*

• รวมกล้องไกด์รุ่นใหม่ Slide-base UniGuide 32mm Scope!
• Latest 2nd Gen version! 
• 61mm f/5.9 doublet air-spaced objectives APO
• Use of synthetic fluorite FPL-53 glass material
• Very sharp image with excellent colour correction
• Precision optics with fully multi-coated lenses using super-high transmission (STM) coating on all surfaces
• Designed for astrophotography, wildlife photography & visual observation 
• Product of Taiwan. 2-year warranty

William Optics ZenithStar 73 III APO, f/5.9 OTA, Gold *รวม 32mm UniGuide*

• Premium 73mm apochromatic refractor for astronomical and terrestrial imaging and visual observation
• Apochromatic f/5.9 doublet objective with FPL-53 glass
• Large image circle for imaging with APS-C and full-frame sensors when used with the optional field flattener
• Compact form factor and light weight ideal for transport and travel