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Telescope Dust Cap
Black component photographs shown. Shape varies by telescope model.
Fit the cap directly to your telescope, or leave the matching StargazeWorks shield in place and cap its front instead.
Choose the same telescope model for both parts. The shield is sold separately.
See how it worksCover your setup
Keep the front of your telescope covered between sessions. The same cap fits your telescope directly or over its matching StargazeWorks dew shield.
Normally dispatches in 1–3 business days.
Free replacement for confirmed fit or manufacturing issues reported within 30 days, for the model ordered.
Choose your telescope and color above to compare the matching pieces.
Masks and dust caps fit your telescope directly and the matching StargazeWorks shield. Each kit page opens with your model and color selected.
Model, fit, or choosing parts — we can help before you order.
Cover your setup
Includes one dust cap. Shield and masks are sold separately.
Covers the telescope or matching shield between sessions to help keep dust off the front optics.
Build around a cap that works with your matching telescope system. Read the telescope accessory guide, compare dew shields, or browse matched accessory kits. Choose the same telescope model for every matching part.
Where matching components are offered for your selected telescope model, the masks and dust cap can be used directly on the telescope or with the matching StargazeWorks dew shield. Check each product’s model options before combining parts.
Celestron C5 / NexStar 5SE: These options are for modern C5 SCT and NexStar 5SE front cells. Older C5, C5+, G5 and early NexStar 5 models need separate sizing; contact us before ordering.
Orion XT8: Front-cell dimensions vary by generation. If you are unsure which version you have, contact us before ordering so we can confirm the right sizing.
Designed to work together
The masks and dust cap fit both your telescope directly and the matching StargazeWorks dew shield. Choose pieces for the same telescope model and use the setup that suits your session.
Select the exact telescope model so the cap matches your setup.
Fit the cap directly over the telescope or the matching StargazeWorks shield.
Take off the cap when you are ready to use your telescope.
Preview a color
Real parts, in use
Original photographs show a Celestron SCT example. Check the captions for the parts shown.
Made for your model
Select the full model name in the menu above, then choose your color. Similar apertures can have different fittings.
Sky-Watcher Explorer 150P / 150PDS and Quattro 150P use different fittings. Pick the one you own. Need help finding your model?
Before your first night out
Made from carbon-fiber-reinforced PETG (CF-PETG).
Yes, with the matching StargazeWorks shield for the same telescope model. The cap fits the telescope directly or the shield.
This listing is for the dust cap only. Choose a shield-and-cap kit if you want both pieces.
Choose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P / 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.
If a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.
Normally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $35 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.
Tell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Use the question form on this page or contact us before ordering.
Let’s get your setup right
Tell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Send your question here. We’ll reply by email.
Normally dispatches in 1–3 business days.
On orders $35+. See delivery details.
Free replacement for confirmed fit or manufacturing issues reported within 30 days for the model ordered. Full policy.
This 3D printed telescope dust cap fits snugly and securely on my Orion XT8 dob. There are four small holes which will let a small amount of dust through but will also allow the telescope to breath and avoid humidity buildup.
