William Optics 1.25" Binoviewer Package (with 1.25" Wide Angle Eyepieces and 1.6x Barlow)

Stock count is accurate & shown in real time.
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available.
- This item is out of stock.
- We have no ETA from the manufacturer at this time.
- Sign up for back-in-stock alerts to be notified when this item becomes available.
Lower 48 States:
Orders over $50 ship free within the Lower 48 using a carrier and service we select based on your items and delivery location. Faster shipping options may be available at checkout.
U.S. Outside the Lower 48 (AK, HI, PR):
Free shipping on orders over $50 applies to many—but not all—items. Add items to your cart and enter your ZIP code to see available shipping options and any costs.
International Orders:
Free shipping does not apply to international orders. You’ll see available shipping options and costs during checkout. Some items can’t be shipped internationally due to size or manufacturer restrictions. Duties, taxes, brokerage fees, and tariffs are not included and are the customer’s responsibility.
Important Note: For users intending to remove the WO binoviewer nosepiece for use with Baader or other T2 diagonals, please note that from Feb of this year, WO has started gluing the 1.25" nosepiece to the body (to prevent frequent removals that strip the threads), and the nosepiece can no longer be unscrewed. If you have a WO binoviewer purchased before Feb, the nosepiece should be removable. So please check your unit before you consider any configuration changes that require the removal of the nosepiece. All of our stock is of the new type and the nosepiece cannot be unscrewed.
William Optics does it better and especially cheaper! Until today, you could choose only between high-end expensive binoviewers or monocular eyepiece observation. Today you can enjoy the benefits of BaK4 quality binoviewers in your refractor, Newtonian or SCT scope with a convenient package including:
- 1.25" Binoviewer with anti-marring compression rings
- 2x William Optics 20 mm WA 66 deg. eyepieces included
- 1.6x Barlow nosepiece for easier focusing with most telescopes! It can be mounted on other eyepieces too!
- Exclusive gift box.
The price is very inviting, but the experience of two-eye viewing is even better!
WO Fit & Finish
- Large chromed thumbscrews and anodized aluminum.
- A very useful optional 2x Barlow/Corrector and Extender are available separately for telescopes with special back-focus issues.
BAK4 Prisms
- Only high-quality BaK4 prisms with 20mm clear aperture for maximum brightness and contrast with any telescope.
- Fully Multi Coated.
- Anti-marring brass ompression rings for your eyepieces.
- Individual eyepiece focus adjustment.
Choose the Best! Best price!
- The best quality-prism 1.25" Binoviewers package out there at this price point!
Features:
- Prism material: BaK-4 FMC
- IP Accomodation: 53mm to 75mm
- Clear Aperture: 20.2mm
- E.P. holders: Helical focusing, compression rings
- Dimensions: 120mm x 112mm x 42mm
- Optical Path: 100mm (4")
- Weight: approx. 18.35 oz (without eyepieces)
Please note: These are very good binoviewers at an excellent price point. However, please note that minor imperfections like slight ghost images/reflections (especially during daytime terrestrial viewing) or slight differences in the color of the prism coatings may be present and are not treated as defects. You will see the same issues with virtually all binoviewers sold on the market for under $500. We have sold many pieces of this item to very satisfied customers over the years, but those looking for 100% perfection might want to consider other binoviewers costing 3-4 times as much. As WO puts it, "You cannot get Mercedez quality for Toyota prices."
Other Information
- Country of Manufacture: Taiwan
William Optics does it better and especially cheaper! Until today, you could choose only between high-end expensive binoviewers or monocular eyepiece observation. Today you can enjoy the benefits of BaK4 quality binoviewers in your refractor, Newtonian or SCT scope with a convenient package including:
- 1.25" Binoviewer with anti-marring compression rings
- 2x William Optics 20 mm WA 66 deg. eyepieces included
- 1.6x Barlow nosepiece for easier focusing with most telescopes! It can be mounted on other eyepieces too!
- Exclusive gift box.
The price is very inviting, but the experience of two-eye viewing is even better!
WO Fit & Finish
- Large chromed thumbscrews and anodized aluminum.
- A very useful optional 2x Barlow/Corrector and Extender are available separately for telescopes with special back-focus issues.
BAK4 Prisms
- Only high-quality BaK4 prisms with 20mm clear aperture for maximum brightness and contrast with any telescope.
- Fully Multi Coated.
- Anti-marring brass ompression rings for your eyepieces.
- Individual eyepiece focus adjustment.
Choose the Best! Best price!
- The best quality-prism 1.25" Binoviewers package out there at this price point!
Features:
- Prism material: BaK-4 FMC
- IP Accomodation: 53mm to 75mm
- Clear Aperture: 20.2mm
- E.P. holders: Helical focusing, compression rings
- Dimensions: 120mm x 112mm x 42mm
- Optical Path: 100mm (4")
- Weight: approx. 18.35 oz (without eyepieces)
Please note: These are very good binoviewers at an excellent price point. However, please note that minor imperfections like slight ghost images/reflections (especially during daytime terrestrial viewing) or slight differences in the color of the prism coatings may be present and are not treated as defects. You will see the same issues with virtually all binoviewers sold on the market for under $500. We have sold many pieces of this item to very satisfied customers over the years, but those looking for 100% perfection might want to consider other binoviewers costing 3-4 times as much. As WO puts it, "You cannot get Mercedez quality for Toyota prices."
Important Note: For users intending to remove the WO binoviewer nosepiece for use with Baader or other T2 diagonals, please note that from Feb of this year, WO has started gluing the 1.25" nosepiece to the body (to prevent frequent removals that strip the threads), and the nosepiece can no longer be unscrewed. If you have a WO binoviewer purchased before Feb, the nosepiece should be removable. So please check your unit before you consider any configuration changes that require the removal of the nosepiece. All of our stock is of the new type and the nosepiece cannot be unscrewed.
William Optics does it better and especially cheaper! Until today, you could choose only between high-end expensive binoviewers or monocular eyepiece observation. Today you can enjoy the benefits of BaK4 quality binoviewers in your refractor, Newtonian or SCT scope with a convenient package including:
- 1.25" Binoviewer with anti-marring compression rings
- 2x William Optics 20 mm WA 66 deg. eyepieces included
- 1.6x Barlow nosepiece for easier focusing with most telescopes! It can be mounted on other eyepieces too!
- Exclusive gift box.
The price is very inviting, but the experience of two-eye viewing is even better!
WO Fit & Finish
- Large chromed thumbscrews and anodized aluminum.
- A very useful optional 2x Barlow/Corrector and Extender are available separately for telescopes with special back-focus issues.
BAK4 Prisms
- Only high-quality BaK4 prisms with 20mm clear aperture for maximum brightness and contrast with any telescope.
- Fully Multi Coated.
- Anti-marring brass ompression rings for your eyepieces.
- Individual eyepiece focus adjustment.
Choose the Best! Best price!
- The best quality-prism 1.25" Binoviewers package out there at this price point!
Features:
- Prism material: BaK-4 FMC
- IP Accomodation: 53mm to 75mm
- Clear Aperture: 20.2mm
- E.P. holders: Helical focusing, compression rings
- Dimensions: 120mm x 112mm x 42mm
- Optical Path: 100mm (4")
- Weight: approx. 18.35 oz (without eyepieces)
Please note: These are very good binoviewers at an excellent price point. However, please note that minor imperfections like slight ghost images/reflections (especially during daytime terrestrial viewing) or slight differences in the color of the prism coatings may be present and are not treated as defects. You will see the same issues with virtually all binoviewers sold on the market for under $500. We have sold many pieces of this item to very satisfied customers over the years, but those looking for 100% perfection might want to consider other binoviewers costing 3-4 times as much. As WO puts it, "You cannot get Mercedez quality for Toyota prices."
Other Information
- Country of Manufacture: Taiwan
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Hide Found a better Shipped Price on Frontend? | No |

William Optics 1.25" Binoviewer Package (with 1.25" Wide Angle Eyepieces and 1.6x Barlow)


















