Amazon Prime Day 2025: The best early deals on optics, fitness gear and stargazing equipment this October 7-8
Amazon Prime Day 2025 kicks off October 7-8 — discover the best early discounts on cameras, telescopes, fitness gear and more today.

Amazon Prime Day is back, and although this one only runs for two days, it's still set to deliver some fantastic deals on our favorite science gear. Prime Big Deal Days kicks off at midnight on Tuesday, October 7 and runs until 23:59 on Wednesday, October 8. It's never too early to start shopping, though, as many excellent early deals are already available, giving you the perfect chance to grab a bargain and get ahead on your Christmas shopping.
We've browsed many of our trusted retailers alongside Amazon to bring you the best deals we can find ahead of the official event, including discounts on telescopes, binoculars, cameras, air purifiers, fitness trackers, electric toothbrushes and more. We're keeping an eye on price drops to ensure we're bringing you the biggest discounts across leading brands, including Celestron, Canon, Garmin, Fitbit and more.
But before you jump headfirst into a purchase, why not do a bit of research first? Maybe you're wondering whether you should buy a Garmin while they're discounted, or perhaps you're wondering which beginner telescope to buy to start your stargazing journey. Our guides weigh up the pros and cons and will help you make an informed choice of whether that Amazon Prime Day discount is worth it.
Amazon Prime Day 2025 Quick List
- 💲 Shop all Amazon deals
- 🔭 Telescope: Save over $100 on our favorite telescope brands
- 📸 Cameras: Save $$$s on your next camera
- 🔍 Binoculars: Save up to $80 on our favorite binoculars
- 📽 Star projectors: Deals with over 30% savings
- 🍃 Air purifiers: Save up to 35% on the best air purifiers
- 🪥 Electric toothbrushes: 50% off Oral-B Genius X Limited
- ⌚️ Fitness trackers: Garmin smartwatch over 50% cheaper
- 🏋️♀️ Exercise equipment: 25% off rowing machines, treadmills 20% cheaper
- 🎧 Running headphones: 50% discount on our favorite earbuds
- 👟 Running shoes: Up to 50% off brands like Underarmor
- 💧 Dehumidifiers: 20% cheaper during Prime Day
- 📱 Apple: Up to $100 off Apple AirPods, iPads and more
- 🔬 Microscope: Nearly 30% savings on the best microscopes
- 💻 Laptops: Our top picks are now 25% cheaper
- 📦 Amazon Prime: 30-day free trial membership for new members
Amazon Prime Day telescope deals

If you're on the hunt for one of the best telescopes during Amazon Prime Day, make sure you also check out our Prime Day telescope deals hub for all the cheapest deals.
You can also check out the best smart telescopes, best small telescopes, best telescopes for kids and best beginner telescopes.
Save $132 on the 5-inch Celestron StarSense Explorer DX 130AZ. Ideal as a beginner telescope, the Alt-Az mount makes it easy to start scanning the stars and, with the StarSense smartphone app and the red-dot finderscope, you'll be spotting the heavens in no time.
Save $90 on this beginner-friendly 102mm refractor. It's great for views of the moon, planets and bright deep-sky objects. Plus, you can use your smartphone with the accompanying app to make your way through the night sky. Make sure you apply the coupon at checkout.
Grab a free backpack worth $365 when you buy the Unistellar eQuinox 2 at Sam's Club. This excellent smart telescope is capable of viewing planets and deep space objects, and we loved how detailed the galaxies and nebulas looked.
Save $40 on this compact and portable telescope that comes with everything you need for under $100 — perfect for beginners.
Save $600 on this incredibly powerful 11-inch telescope from Celestron. Perfect for near and deep-sky observation and astrophotography, this setup is for serious astronomers who want the perfect blend of power and portability.
Save $600 on this exceptional 9.25-inch telescope. Although it's more expensive than the 11-inch we listed above, this variant has EdgeHD technology to eliminate field curvature and spherical aberration, as well as improve sharpness and clarity right to the edges of the field of view.
Save $380 on a telescope that offers sharp views of a variety of celestial objects, from planets and the Moon to faint galaxies, nebulas and star clusters. It's fantastic for astrophotography and lightweight enough to transport to areas with dark skies. We think it's ideal for intermediate astronomers who want to take the next step.
Save $250 on the newest and most affordable smart telescope from Unistellar. Fully automated, there's no manual star alignment, slewing or focusing; everything happens with the press of the screen on your smartphone. With over 5000 celestial objects, including 37 million stars, it's ideal for beginners and veteran astronomers with limited time. Currently, it's the same price at Amazon.
Save $450 on the brilliant Unistellar Odyssey Pro. Want the magic of observational astronomy with an eyepiece alongside the intelligence of a smart telescope? The Odyssey Pro perfectly fits the bill. You can also buy it for the same price at Amazon.
Save $500 on the best premium smart telescope on the market. It has the same observational eyepiece experience as the Odyssey Pro, but with better light gathering power, battery life and overall performance. It's also the same price at Amazon.
Read our full Unistellar eVscope 2 review
Save $280 on this beginner-friendly smart telescope. Although it's still not cheap, it's great for beginners or anyone who doesn't have the time or patience for a lengthy setup. If you're focusing on deep-space observation, you can't go wrong. Currently, it's the same price at Amazon.
Read our full Unistellar eQuinox 2 review
Amazon Prime Day star projector deals

Head over to our Prime Day star projectors hub for even more deals on star projectors this Prime Day.
Save $20 on the Orzorz Galaxy Lite star projector. It's rechargeable and projects high-quality imagery and comes with 5 slides included, with the option to purchase more to expand your library.
Full review: Orzorz Galaxy Lite ★★★★★
Featured in: Best star projectors
Save 50% on this affordable star projector from BlissLights. It's little more than a pretty light, but we thought it was a great, cheap option for adding atmosphere to your home, plus it has voice control. It's not listed as a deal as such, but it's cheaper than it was last Prime Day.
Read our full BlissLight Sky Lite Evolve review
Featured in: Best star projectors
Amazon Prime Day camera deals
Looking for your next camera? Head over to our Prime Day camera deals hub for all the cheapest deals on the best cameras, best astrophotography cameras, best cameras for wildlfe photography, best beginner astro cameras, best beginner cameras and more.
Save $200 on one of the best cameras for wildlife photography. While it doesn't have the fastest burst rate, its 61MP resolution produces outstanding images. We love this camera and gave it 4.5 stars in our review.
Save $500 on the Canon EOS R6 Mark II. Its 40FPS burst rate, excellent autofocus and comfortable handling make it a dream for wildlife photography. If you're not looking for mega resolution, it'll last you years.
We gave it 5 stars in our full Canon EOS R6 II review
Save a huge $1,425 on the Sony A1 — a seriously powerful camera for serious pros or anyone with the cash to spend. We were very impressed in our full review.
Amazon Prime Day binocular deals

For all the cheapest binocular deals in one place, head over to our prime day binocular deals hub, where we'll be keeping track of all the best binoculars, best binoculars for stargazing, best binoculars for kids, best compact binoculars, best binoculars for birdwatching and best image stabilized binoculars.
Save $159 on these huge stargazing binoculars with serious power. A massive 25x magnification and huge 100mm objective lenses produce stunning images of the night sky, but with such big magnification, you will need to mount them on a tripod to keep them still enough (plus, they're very heavy). Make sure you add the $40 coupon at checkout.
Featured in: Best binoculars for stargazing
Read our full Celestron SkyMaster 25x100 review
Save $55 on these entry-level binoculars. They're fantastic for all types of viewing, from stargazing to birdwatching, and the optics are great for the price. Make sure you apply the coupon at checkout.
Save $103 on the Celestron TrailSeeker 10x42 binoculars at Amazon. They have dielectric and phase-coated prisms which allow for increased light transmission for brighter and sharper images. We love them.
Save $92 on the Celestron TrailSeeker 10x42 ED. With ED glass and phase and dielectric-coated prisms, these binoculars are hard to beat. If you want quality optics in a pair that will last a long time, you can't go wrong.
Save 57% on these 10x42 binoculars from Bushnell. Waterproof, nitrogen-purged and versatile, they're ideal for a number of activities from birdwatching and wildlife spotting to stargazing and getting a better view at sports games on a budget.
Cheaper than Amazon — These are one of the best binoculars we've ever used — the views are bright and steady thanks to the image stabilization. Expensive, but worth it.
Full review: Canon 10x42L IS WP ★★★★
Featured in: Best binoculars, Best image stabilized binoculars
Save 40% on these budget-friendly stargazing binoculars with powerful 15x magnification and large 70mm objective lenses — we got beautiful views of the moon, Pleiades and Jupiter's Galilean moons.
Make sure you add the $10 coupon before checkout.
Review: Celestron SkyMaster 15x70 ★★★★
Featured in: Best binoculars for stargazing
Editor's note, Jul 8, 2025 — Deal still live. Although the $10 coupon isn't the biggest saving, they're a fantastic price for what they offer.
Save $50 on the Nikon Prostaff P3 10x42 binoculars. We gave 4/5 stars to the Prostaff P3 8x42, which are identical except for the magnification. We were surprised by their optical quality for the price and the 42mm objectives are good for generalist use and birdwatching. Plus, they're waterproof and fogproof.
Editor's note, Jul 8, 2025 — $30 cheaper than yesterday.
Save $60 on stargazing binoculars that are suited to night observing thanks to their powerful 15x magnification and 70mm objective lenses. They're the pro version of the binoculars we mentioned above, giving improved build and optics.
Editor's note, Jul 8, 2025 — Deal still live. The $20 coupon makes this a decent deal, but we saw them for $188.99 last Prime Day
Save 30% on these binoculars for kids over at Amazon. We think they're great compact binoculars and they give fantastic clarity and performance for their size and price.
Read our full Occer 12x25 compact binoculars review
Featured in: Best binoculars for kids
Editor's note Oct 10 — It was cheaper during prime day (we saw it as low as $23.03), but this is still a great price with the 30% coupon).
Save 48% on these binoculars with clear, bright and sharp views with a very usable magnification for a variety of pursuits. They're waterproof and fogproof, and they come with a padded carry case for easy transport and storage.
They also come in 8x42, 10x50 and 12x50 variants, although the 10x42 is a fantastic all-rounder.
Editor's note Oct 10 — It's been fluctuating up and down by a few dollars every day for the past week — this is actually cheaper than Prime Day!
Save $60 on our favorite pair of stargazing binoculars, with a powerful 20x magnification and massive 80mm objectives, these monstrous binoculars are perfect for sharp, detailed views of the night sky.
Read our full Celestron SkyMaster Pro 20x80 review
Featured in: Best binoculars for stargazing
Editor's note Oct 9 —They typically sit at $289 rather than the advertised 'was' price of $319.95, but we have seen them as low as $212 in previous years.
Nikon Prostaff P7 10x42: was $199.95, now $166.95 at Amazon
Save $33 on these durable, compact and lightweight 10x42 binoculars from Nikon. They have bright, clear and sharp views with minimal chromatic aberration, plus they're waterproof and fogproof — we think they're fantastic for the price.
Read our full Nikon Prostaff P7 10x42 review
Featured in: Best binoculars for stargazing
Save $79 on a pair of the best binoculars for stargazing. Their impressive 12x magnification and 56mm objective lenses are ideal for stargazing and for spotting wildlife.
Read our full Celestron Nature DX 12x56 review
Featured in: Best binoculars, Best binoculars for stargazing, Best binoculars for kids (8x32 version)
Editor's Note 10/08: They added a $20 coupon on 10/02 that you can apply at checkout, which is still live today.
Amazon Prime Day air purifier deals

Save 33% on the Blueair Blue Pure 511i Max. This stylish appliance is essentially a slightly smaller version of our favorite budget air purifier, the BlueAir Blue Pure 411i Max. With its great air-cleaning performance, user-friendly design and smart features, it is also one of the best options for tight spaces.
Save $50 on this smart-enabled air purifier, which we named as the best overall in our guide to the best air purifiers. With a three-stage HEPA filtration system and up to 1,588 square feet coverage, the immensely powerful Levoit Core 600S-P is a great choice for large spaces. This model does not get discounted often, so snap this deal up while it lasts.
Read our full Levoit Core 600S review (★★★★½)
Featured in: Best air purifiers, Best air purifiers for allergies
Save 46% on this sleek and efficient Dyson fan-purifier combo. It cools the air and removes a wide range of airborne pollutants, making it a great choice for hot summer months. Our favorite thing about this appliance? Dyson's signature smart features.
Read our full Dyson Purifier Cool review (★★★★)
Save 22% on the smaller version of the Molekule Air Pro, a medically graded air purifier that we named as the best option for large rooms in our guide to the best air purifiers. This compact appliance features patented pollutant-destroying PECO technology and a HEPA filter, and some of the best air quality readings we have seen in a commercial air purifier.
Save 33% on the powerful Coway Airmega AP-1512HH. We named this quirky-looking air purifier the best option for saving energy — it does an excellent job of removing airborne particles, but it does not use a lot of electricity. Best suited for medium to large rooms, the AP-1512HH will keep your indoor air clean and fresh.
Read our full Coway-AP-1512HH review (★★★★)
Featured in: Best air purifiers
Save 16% on the Coway Airmega 250, one of the most powerful air purifiers we have tested. It may not be the best-looking appliance out there, but it is easy to clean, pet-friendly and suitable for spaces up to 1,860 square feet, and most importantly, it is effective against a wide range of airborne pollutants.
Read our full Coway Airmega 250 review (★★★★½)
Save $175 on the Blueair Classic Pro CP7i, the first air purifier equipped with the HINS blue light technology capable of removing yeast, viruses, bacteria and other harmful germs. Not only is it effective against a wide range of airborne pollutants, but it is also quiet, smart-enabled and very durable.
Read our full Blueair Classic Pro CP7i review (★★★★½)
Featured in: Best air purifiers, Best air purifiers for allergies
Amazon Prime Day electric toothbrush deals

Save 50% on our all-time favorite electric toothbrush at Amazon. Rated at an impressive 4.5 out of 5 stars in our Oral-B Genius X review, this smart gadget boasts a stylish design, long battery life and plenty of AI-powered smart features to help you improve your brushing technique. The cherry on top? It comes with a spare brush head and a handy travel case.
Read our full Oral-B Genius X review (★★★★½)
Featured in: Best electric toothbrushes
Save 33%. The Oral-B iO Series are some of the best electric toothbrushes out there, especially when it comes to smart features, brushing performance and AI-powered brushing personalization. They do not get discounted that often, so snap this early Prime Day deal while it lasts.
Save 45% on the Philips Sonicare ProtectiveClean 5300. With over 14,000 five-star reviews, it is one of the most popular electric toothbrushes on Amazon — and understandably so. It is sleek, travel-friendly, efficient and boasts up to 14 days of battery life, plus it comes with two spare brush heads and a travel case.
Editor's note 10/07/25: It's now dropped to its Black Friday price.
Save $130 on the ultra-premium Oral-B iO Series 10, one of the best electric toothbrushes money can buy, and our favorite model with smart features. With its excellent performance and advanced design, it is a go-to choice for those who do not want to cut any corners.
Read our full Oral-B iO Series 10 review (★★★★½)
Featured in: Best electric toothbrushes
Save 30% on one of the best electric toothbrushes money can buy. Equipped with advanced AI-powered technology and a pressure sensor, the Oral-B iO Series 9 offers a highly personalized brushing experience and a wealth of premium features. It looks great on the bathroom shelf, too.
Read our full Oral-B iO Series 9 review (★★★★)
Featured in: Best electric toothbrushes
Save 26% on the Bitvae R2. We gave this model a strong 4.5/5 rating and included it in our guide to the best electric toothbrushes as the best budget option. The Bitvae R2 comes with a whopping 8 brush heads, five cleaning modes and up to 60 days of battery life, so you can get a lot of value for your buck.
Read our full Bitvae R2 Rotating Electric Toothbrush review (★★★★½)
Featured in: Best electric toothbrushes
Save 25% on this sleek, travel-friendly toothbrush made of recyclable materials. The SURI Sustainable Electric Toothbrush not only looks and feels good, it also delivers a superb clean and lasts up to 40 days on a single charge.
Read our full SURI Sustainable Electric Toothbrush review (★★★★)
Featured in: Best electric toothbrushes
Amazon Prime Day fitness tracker deals

Save 28% on the Apple Watch Series 10, one of the best smartwatches for iOS users. It looks and feels great, but more importantly, it packs plenty of tracking features and a rich ecosystem of apps to help you hit your goals with ease. The only downside? Short battery life.
Save $130 on Garmin's signature GPS smartwatch with fantastic battery life, sleek design and a multitude of workout tracking options. With its lightweight build, waterproofness and accurate heart rate measurements, it is a particularly great option for runners and triathletes.
Read our full Garmin Forerunner 945 review (★★★★½)
Save $100 on our reviewer's 'go-to' fitness watch. It's great for hiking, swimming and comes with a whole heap of body-stat tracking functionality. Best suited for large wrists.
Read our full Suunto Race Review (★★★★½)
Save 25% on the smaller size version of the Garmin Venu 2 smartwatch, one of the best Garmin watches for daily use. With its comfortable strap, sleek design and beginner-friendly features, it is a perfect option for those who do not like bulky, intimidating devices.
Save 32% on the Amazfit Active, our favorite smartwatch on a budget. With its compact build, comfortable straps, heaps of fitness tracking features and crisp, colorful display, this unassuming fitness tracker delivers excellent value for money. With this early Prime Day deal, the Amazfit Active is now more affordable than it was during the Black Friday sale.
Read our full Amazfit Active review (★★★★)
Featured in: Best fitness trackers
Save $53 on the latest iteration of our favorite smart ring. This compact and lightweight fitness tracker is a more discreet alternative to chunky smartwatches, and it offers heaps of valuable insights into your sleep, stress and general fitness. Available in a wide range of sizes and colors.
Read our full Oura Ring Generation 3 review (★★★★)
Featured in: Best fitness trackers
Save 35% on the stylish and ultra-light Amazfit Balance, one of the best smartwatches for stress and sleep management, and our favorite fitness tracker overall. This affordable gem is designed to help you strike a perfect balance between physical activity and rest, with features like breathing exercises, daily exercise suggestions and heart rate variability measurements.
Read our full Amazfit Balance review (★★★★½)
Featured in: Best fitness trackers
Save 49% on the Samsung Galaxy Watch 7, an excellent all-rounder fitness tracker for Android users. With its advanced health stats and a rich ecosystem of apps, it is a particularly good choice for busy gym-goers.
Editor's note 11/07/25: It's just dropped to its lowest-ever price, so snap this deal up while it lasts.
Amazon Prime Day rowing machine deals

Save $600 on the Aviron Strong Series Rower, one of the best cardio machines for fun workouts and an excellent pick for fitness beginners. From addictive games and interactive races to guided workouts and a weight-inclusive design, this rowing machine has everything you may ever need to hit your fitness goals.
Read our full Aviron Strong Series Rower review (★★★★½)
Featured in: Best rowing machines, Best exercise equipment for beginners
Save $260 on the Hydrow Wave, our favorite rowing machine for beginners. With its comprehensive coaching videos, fun-filled guided workouts and other interactive features, it offers an excellent introduction to this full-body exercise. It looks and feels great, too.
Read our full Hydrow Wave review (★★★★½)
Featured in: Best rowing machines
Save 35% on this ultra-quiet magnetic rowing machine. With 16 levels of resistance, compact design, durable frame and a connected app filled with free courses and programmed exercises, it is one of the best cardio machines on a budget.
Amazon Prime Day exercise bike deals

Save 25% on the bestselling Peloton bike. There is plenty to like about this iconic exercise machine — it is sturdy, sleek and easy to use, and it offers some of the best exercise classes on the market. We named it as the best option overall in our guide to the best exercise bikes you can buy in 2024.
Read our full Peloton bike review (★★★★½)
Featured in: Best exercise bikes
Save $60 on our favorite budget-friendly exercise bike. Sturdy, comfortable to ride and accessible to larger individuals, this flagship YOSUDA machine is a great choice for cycling beginners. The cherry on top? It comes with a handy tablet mount.
Read our full Yosuda Indoor Cycling Bike review (★★★★)
Featured in: Best exercise bikes
Amazon Prime Day running headphones deals

Save $100 on our favorite Apple AirPods Pro 2. These ultra-compact and comfortable earbuds come with up to 30 hours of battery life, and they can automatically pair to your iPhone and switch between Apple devices including Mac, iPad, and even Apple Watch.
Read our full Apple AirPods Pro 2 review (★★★★★)
Amazon Prime Day laptop deals

Save $150 one of the best portable laptops for photo editing. With a speed M4 processor and 16 GB RAM, this is a fantastic all-rounder that you can lean on for almost everything.
Featured in: Best laptops for photo editing
Save $400 on last generation's M3-powered MacBook Air. This 15-inch version is ideal for those who need more space on the screen while working.
Save $800 on this incredibly powerful yet portable workstation. We raved over the power you can tap into in our ZBook Power review, with its smaller and more slender cousin equally as potent.
This portable powerhouse with a lightweight frame and fantastic build is currently 35% off on Amazon. We gave its larger 15-inch cousin 4.5 stars in our review, and this brilliant alternative is just as capable and travel-friendly.
Save $1,050 on a laptop designed to boost your productivity, with an unbelievable 64 GB RAM and a high-end AMD processor, all for under $1,000.
For more on the best laptop deals during this year's Prime Day sale, check out our Prime Day laptop deals hub for more massive savings on the best models.
What is Amazon Prime Day?
When is Amazon Prime Day 2025?
Amazon Prime Day 2025 starts at midnight on Tuesday October 7 and ends at 23:59 Wednesday October 8.
When does Prime Day end?
Prime Day 2025 ends on Wednesday October 8 at 23:59.
Who else has a sale during Amazon Prime Day?
Sometimes big retailers like Walmart and Best Buy compete with Amazon during sales events — this isn’t a guarantee though and as this event is a ‘surprise’ sale there may be fewer retailers offering deals. If you’re looking for particular products at low prices, have a scroll through our round-ups of the best treadmill deals or electric toothbrush deals.
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Jase Parnell-Brookes is the Managing Editor for e-commerce for Live Science and Space. Previously the Channel Editor for Cameras and Skywatching at Space, Jase has been an editor and contributing expert across a wide range of publications since 2010. Based in the UK, they are also an award-winning photographer and educator winning the Gold Prize award in the Nikon Photo Contest 2018/19 and named Digital Photographer of the Year in 2014. After completing their Master's degree in 2011 and qualifying as a teacher in 2012, Jase has spent the last two decades studying and working in photography and publishing in multiple areas, and specializes in low light optics and camera systems.
- Anna GoraHealth Writer
- Kim SnaithContributing writer
- Kimberley LaneE-commerce writer
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