William Optics
Corporate
In a relatively short time, William Optics has established itself and its products as one of the world leaders in short-tube, highly-portable refractors, and has achieved quality recognition for many accessories such as the well celebrated WO Diagonals.
We plan to keep producing fine instruments both for the entry-level and the top-end segments. In the coming year, you will have many pleasant surprises: on top of a whole new range of larger Apochromatic telescopes, we will begin marketing new accessories and binoculars for all pockets.
In a relatively short time, William Optics has established itself and its products as one of the world leaders in short-tube, highly-portable refractors, and has achieved quality recognition for many accessories such as the well celebrated WO Diagonals.
We plan to keep producing fine instruments both for the entry-level and the top-end segments. In the coming year, you will have many pleasant surprises: on top of a whole new range of larger Apochromatic telescopes, we will begin marketing new accessories and binoculars for all pockets.
New ! Adjustable Flat61 for William Optics ZS61 II Telescopes
- Compensates for field curvature and enables sharp images at the edges
- Camera can be mounted directly with M48 camera adapter
- Suitable for refractors from f/5 to f/7
- Distance to chip plane is variably adjustable
309.00 €
Estimated delivery time : 1-4 days
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
799.00 €
Estimated delivery time : 3-4 days
Discover the universe in breathtaking clarity with the William Optics Fluorostar 120 Telescope!
Key data:
- High quality 3 lens optics with FPL53 lenses
- CNC tube
- Massive 3.3" R&P focuser with 1:10 reduction ratio
- Focal length 780mm
- Aperture 120mm
- Focal ratio f/6.5
- APS-C and Fullframe Format
4790.00 €
Estimated delivery time : 3-4 weeks
The APO refractor Fluorostar has a three-lens air-gap objective using the ED special glass FPL-53 from Ohara, Japan, and glass made of lanthanum.
Characteristics:
- 3 lens air spaced FPL-53 / lanthanum design
- Aperture156mm, focal lenght 1217mm, f/7.8
- Optimized OTA
- Attachable WO flatteners / correctors
- 3.7" R&P focuser
- Field illumination even for full frame sensors
8449.00 €
Estimated delivery time : 3-4 weeks
This three-lens apochromat with FPL-53 element and STM coating delivers color-pure, crisp images! Stars are pin sharp points, bright objects like moon and planets show no color fringes, but a lot of details!
Characteristics:
- 3 lens Apochromat with FPL-53 element
- Aperture132mm, focal lenght 910mm, f/6.9
- Optimized OTA
- Attachable WO flatteners / correctors
- 3.3" R&P focuser
- Field illumination even for full frame sensors
5490.00 €
Estimated delivery time : 3-4 weeks
Compact 50 mm f/4 guide scope with 1.25" connector - can be mounted on your telescope instead of the finder - perfectly suitable for ZWO mini autoguider and similar ones
- Aperture 50 mm
- Focal length 200 mm
- Weight only 520 grams
- Camera side connection 1.25" - clamping by Rotolock - clamped as screwed
- Sharpness adjustment by turning the objective - with lock ring
- Adjustable working distance of 0-15 mm behind the eyepiece clamp - suitable for all autoguiders with 1.25" body, such as ASI120 Mini
- Easy connection to the telescope instead of the finder, suitable for Skywatcher, TS-Optics, GSO, Vixen, Celestron, etc.
209.00 €
Estimated delivery time : 1 week
William Optics Adapter M68x1 - Flattener 68III/7A
69.00 €
Estimated delivery time : 1 week
William Optics Adapter M54x0.75 - Flattener 68III/7A
69.00 €
Estimated delivery time : 1 week
William Optics- 2-1.25 ROTOLOCK VISUAL BACK ADAPTER
69.00 €
Estimated delivery time : 1 week
High quality erecting prism with Red anodized plate , the complete housing is made by 6061T Aluminium by CNC .
159.00 € 140.00 €
Estimated delivery time : 1-2 days
William offers with the REDCAT61 Astrograph a very well corrected telescope for astrophotography up to full frame format.
- Aperture 61 mm / Focal length 300 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
1899.00 €
Estimated delivery time : 3-4 weeks
From the beginning, the goal was to create the best possible design for an affordable, small, lightweight, and fast Apochromatic refactor for astrophotography.
Characteristics:
- 4 lens Petzval optical design
- Aperture 51mm, focal lenght 250mm, f/4.9
- Massive OTA from Aluminum alloy
- Compact and ultra portable
- Field rotator
- Helical focuser design
- Tilting platform
- Field illumination even for full frame sensors
1061.00 €
Estimated delivery time : 1-4 days
