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 FLT 91 is the perfect apochromatic refractor for visually and photographically observing astronomers who demand the most from a medium-sized telescope.

• Three-element design with FPL53 glass
• 91 mm aperture, 540 mm focal length
• Rack and pinion focuser with gear reduction and "Rotolock" clamp
• Field rotator with degree markings and position lock
• Prism rail according to Vixen standard
• Versatile handle with Vixen standard finder shoe
• William Optics' patented Bahtinov mask

The Gran Turismo refractor is an apochromatic triplet with FPL-53 element for highest colour purity and strong contrast! A refracting telescope that is versatile and leaves little to be desired.

• An ideal travel instrument
• High-quality 3-lens optics
• Can be used visually and photographically
• 2.5" focuser with 1:10 gear reduction
• Supplied with focus mask according to Bahtinov

The William Optics GT 81 apo stands for optimal chromatic correction and best possible contrast - a powerful travel telescope for observation and photography.

• Aperture 81 mm
• Focal length 480 mm
• Focal ratio f/5.9
• Multicoated FPL53 triplet lens with air gap
• 2.5" RAP focuser with M63x1 connection thread, as well as 2" and 1.25
• Multifunction handle with holder for guide scopes
• Bahtinov mask integrated
• Variable carrier bag
• Vixen/EQ5 style dovetail bar

Innovative and revolutionary William Optics design combines precise internal focusing with the highest quality optics available to create the ultimate apochromatic refractor for astrophotography

• FPL53 Triplet Lens
• Aperture 81 mm, focal length 480 mm
• Internal focusing prevents image shift and vignetting
• Saddle bar handle for mounting the guiding telescope
• Incl. test report
• Incl. carrying bag

William offers with the RedCat 71 WIFD astrograph a very well corrected telescope for astrophotography up to full frame format.

• Aperture 71 mm / Focal length 350 mm / Focal ratio f/4.9
• Petzval design with chromatic aberration free FPL53 objective (4 elements in 3 groups)
• Very well corrected and illuminated image field up to full frame format - the corrector is built in - no more adapter battle necessary
• Camera connection via M48 male thread (suitable adapters are available) - working distance 55 mm
• 360° rotation of the camera for the right display window
• Focusing via internal focusing (William Internal Focus Design - WIFD) as with telephoto lenses
• Tilting option for individual adjustment of the camera sensor to the telescope
• Flexible dovetail bar at the base (long version), suitable for Vixen style and Arca-Swiss saddle plates, in addition with 1/4" female photo tripod thread
• Nylon carrying bag and Bahtinov mask for astrophotography are included in delivery
• WIFD R&P focuser - copatible with EAF

Fully automatic GoTo telescope for astrophotography with built-in camera - photographing the starry sky has never been so easy.

• Triplet APO objective with 30 mm aperture and 150 mm focal length with true apochromatic image
• Sony IMX662 color sensor with 6.45 mm diagonal and high resolution with 2.9 µm pixels - 2.10 megapixels
• Larger angle of view than the Seestar S50, plus wide-angle system with over nine times the field diameter
• WiFi and Bluetooth control via smartphone or tablet app
• Three versatile shooting modes: solar system objects, deep-sky objects, scenic views
• Recommendations for objects that can be seen that night, combined with quick setup so you can use your valuable time for observation
• Select one of more than 4000 objects, wait for the telescope to find it and start shooting.
• Three permanent built-in filters: UV/IR block filter for all objects, duo-band filter to increase contrast for all gas nebulae, dark filter for calibration
• One-touch capture of the Sun, Moon, planets, galaxies, nebulae, and star clusters
• Smarter Mosaic Photography - time-saving and effortless (automatically captures the selected region)
• Magnetically adhering front solar filter for observing the sun
• Sensors for tripod leveling via the app
• Low power consumption for long battery life (4 hours video mode, 6 hours in general)
• Autofocus ensures sharp and high-contrast images
• AI noise reduction for smoother and more beautiful images
• Very portable with a weight of only about 1.8 kg