William Optics AP 73/430 Super ZenithStar 73 Gold OTA Apochromatic refractor (56414)

William Optics’ ZenithStar series presents compact yet exceptionally high-quality apochromatic refractors, perfectly suitable for pairing with DSLR cameras. These refractors enable the capture of stunning wide-angle images of expansive star fields. When coupled with an optional flattener, they deliver a corrected image field spanning 45 millimeters to the edges.

The lightweight and portable ZenithStar apochromats, along with a DSLR, seamlessly integrate onto photography mounts like the Skywatcher Star Adventurer or the iOptron Star Tracker, forming a straightforward and efficient astrophotography setup.

Included accessories

• Carry case: Yes
• Prism rail: Vixen-Style
• Tube clamps: Yes
• Dew Shield: Yes
• Focusing help: Bahtinov focus mask
• Finder base: Prism clamp
• Carrying handle: Yes

SPECIFICATIONS

Optics

Type: Refractor

Aperture (mm): 73

Focal length (mm): 430

Aperture ratio (f/): 5.9

Light gathering capacity: 110

Max. useful magnification: 146

Tube material: Aluminium

Carrying length (mm): 310

Tube weight (kg): 2.5

Limit value (mag): 11.1

Resolving capacity: 1.58

Tube construction: Full tube

Lens design: Doublet

Type of build: Apochromat

Focuser

Free aperture (mm): 64

Type of build: Gear rack

Gear reduction: 1:10 Fine movement

Mount

Mounting type: No mount

GoTo control: No

Type of build: OTA

General

Series: ZenithStar

Colour: Gold

Recommended for

Beginners: No

Advanced: Yes

Observatories: No