Apochromatic telescopes

The new ZenithStar 61 are the most versatile and lightest apos from William Optics.

• High-quality optics with FPL53 lenses
• Universally applicable for nature and astronomical observations
• Ideal for astrophotography
• An ideal travel instrument
• Precise R&P focuser with 1:10 gear reduction

The Premium ED apo with 96 mm aperture and fast f/6 is a transportable telescope for astrophotography and observation

• Aperture 96 mm / focal length 575 mm / focal ratio f/6
• Good correction of color aberration by FDC1 special glass
• Lens manufactured in Japan - very good image quality
• Internal baffles for contrast enhancement
• 2.5" RAP focuser with gear reduction and improved focuser support via large ball bearings
  1.25", 2" and M63x1 female thread connection on the eyepiece side
• Retractable dew shield for transport - can be extended up to 100 mm
• Finder shoe included for adapting finders and small guide scopes.
• CNC tube rings and two Vixen / EQ5 style dovetail bars included.
• For astrophotography, we offer a 0.94x reducer and corrector which is made for this
• elescope.

TS PHOTOLINE 85 mm f/6 triplet apochromat with color-clean image - high quality triplet objective from Japanese production.

• Aperture 85 mm / focal length 510 mm / focal ratio f/6
• Multi-coated 3-element lens with FCD100 APO element (similar to FPL53) from Hoya (Japan) for a color-pure image
• Lens including cell is made in Japan
• Internal baffles for higher contrast and against reflections
• 2.5" RAP dual-speed focuser with improved draw tube bearing - carries accessories up to 10 kg without shifting
• Connection for screw adaptations via M63x1 female thread, 2" and 1.25" receptacle
• Retractable dew shield for transport
• CNC tube rings, Vixen/EQ5 style dovetail bars on both sides and finder shoe are included in delivery
• Each apo is tested and optimized at our optical bench before shipping

The TS 110 mm ED with 770 mm focal length is a transportable telescope for astrophotography and for observing with good color correction.

• Aperture 110 mm / focal length 770 mm / focal ratio f/7
• ED Dublet objective with glass from Ohara (Japan)
• Good correction of color error by ED element up to magnifications around 220x
• Stable 2.5" RAP focuser with 2", 1.25" ring clamp and auxiliary thread for screw adaptions
  Dual-speeed and 360° rotation of the focuser - important for astrophotography
• 0.8x reducer and corrector for astrophotography specially calculated for the TS 110 mm f/7 ED available
• Only 65 cm transport length and 6.8 kg weight - is well supported by a mount of the EQ5 class
• Optimized CNC tube with retractable dew cap and CNC clamps with M6 female thread connection
• Vixen level dovetail bar with photo tripod connection thread included