iOptron iPolar Electronics Polarscope for SkyGuider Pro

Introducing iOptron iPolar^TM - a high precision, easy to use electronics polarscope (e-PS).

What makes iPolar unique?
1. Can be easily installed inside the RA shaft on all iOptron equatorial mounts (except SmartEQ Pro).
2. Can be used on any mounts with adapters either internally or externally.
3. USB plug and play (no driver needed)
4. Works globally, no need to set northern and southern hemisphere.
5. No visible Polaris (north) or Sigma Octantis (south) necessary.
6. No need to rotate the mount during polar align.

iPolar is a smart electronic polarscope for everyone.

ZWO M48(M)-M48(F) extender(16.5mm)

OAG-L has a large prism size of 12*12mm, far bigger than M68 OAG. The bigger clear aperture brings wider field of view in guiding. It is easy to use, and suitable for users who are interested in long focal length photography.

To take the most advantage of it, we recommend you to match it with large format guiding cameras.

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

SVBONY Universal Dovetail Mounting Plate สีแดง, 210mm 

• Can be use to mount telescopes or spotting scopes to tripod head
• Made of extruded, anodized aluminum. After anodizing treatment, an electrically insulating coating is formed on the surface to maintain the smoothness of the metal for a comfortable feel
• 1/4-inch standard screw thread fits almost all telescopes
• Length of dovetail mounting plate is 210mm
• Compatible with F9144C dovetail clamp, sold separately
• Two color options: red and silver

SVBONY Dovetail Clamp with 1 large bolt screw สีแดง

• Medium dovetail clamp with a brass screw for telescopes and cameras
• Brass locking screws protect your accessories and provide a very stable connection
• 8 holes available, five for M6 and one for 1/4 inch screws, two for M8 screws. Center distance of two holes for M8 screws is 35mm
• Allow connection to almost all kinds of accessories
• Compatible with SVBONY F9143 dovetail plate, sold separately
• Two color options: red and silver

เลนส์ถ่ายดาว Askar ACL200  200mm f/4 Full Frame Astrophotography Camera Lens #ACL200  (latest version)

• Askar 200mm f/4 manual focus lens especially designed for astronomical imaging
• Incorporates six elements in three groups including two ED elements to minimize chromatic aberration
• Easy to use, just like a manual-focus camera lens, with coarse and fine manual focus rings (requires 48mm T-ring adapter, sold separately)
• Includes rotable collar for framing images and a filter adapter for standard 2" astronomy filters
• Compact and lightweight form factor

ZWO Spare Filter Holder (2nd Gen) for FD-Nikon / FD-EOS / FD-M54-II / FD-M42-II

New 2″ filter drawer featuring the anti-light-leaking design that can effectively solve the light leaking issue under long exposure.

Antlia Tri-band RGB Ultra Filter - 2" Mounted

It is designed for light pollution suppression for OSC and Mono cameras. The spectral design selected the most substantial information in the RGB bands, which makes Antlia Triband RGB Ultra Filter possible to shoot over 90% of deep sky objects, in addition to its excellent performance on emission nebula, different from other ultra-narrowband filters, it is able to capture galaxies, reflection nebulae, and star clusters from a Bortle 8 location to Bortle 1 while presenting more balanced RGB colors in your images. Also, it has a broad bandpass designed to cope with faster optics up to the f/2 focal ratio.

William Optics Pier Mount 90

• Adapter: 3/8" Thread ( for ZWO AM3/AM5 )
  More EQ Mount types are optional
• Weight: approx. 7 kg
• Loading Capacity: 90 kg / 198 lbs
• Height: 
  Stance: 89.3 cm
  Closed: 79.3 cm
• Foot Adjustable Height Range: 15 mm
• Material : Aluminum Alloy
• Pillar Diameter: 100 mm / 4"