barlow lens
Skip itSoft demand (-10.8% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$54.80avg listing price — sweet spot $15–$100
Review moat
Good1,124.82avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.0%search→purchase rate — share of searches ending in a sale
Price range
Okay$12.38–$195.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Returns
Okay4.3%return rate — above 5% kills the launch gate
Market size
Bad$83K$83K/yr · 30K searches
Growth
Bad-10.8%90-day search growth — must beat 0% to launch
Brand share
Bad92%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, barlow lens is a $83K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jan–Oct–Dec. Verdict: Skip it — 37/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
barlow lens market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $69K–$82K
- units × avg price
- Conversion rate
- 5.0%
- Avg BSR
- #6
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 59%
- Out of stock
- 0.0%
- Avg brand age
- 79 months
- Avg seller age
- 224 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
8 falling
Sellers
26
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
4%
- Celestron43%
- SVBONY27%
- starboosa10%
- Bysameyee7%
- XCCYG5%
- Astromania4%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -10.8% search growth over the last 90 days.Peak months: Jan, Oct, Dec · busiest ÷ quietest = 2.5×
Top barlow lens search terms
- barlow lens15K/yr
- 2x barlow lens5K/yr
- barlow lens 2x3K/yr
- barlow lens for telescope7K/yr
Top barlow lens products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Celestron 93326 Omni Barlow Lens Silver 2 x 1.25 Inch
Celestron$34.124.6★2,481 rev
SVBONY Barlow Lens 2X 1.25 inch Barlow Lens with Multi Coated Broadband Green Film Telescope Accessories with M42 Thread for Telescope Eyepiece
SVBONY$16.384.5★2,231 rev
Celestron 93529 1.25 Inch X-Cel LX 2X Barlow Lens Black
Celestron$96.274.6★608 rev
Barlow Lens 2X Bysameyee 1.25 Inch Fully Multi-Coated Metal Barlow Lens with M42 Thread Camera Connect Interface for Telescope Eyepiece
Bysameyee$19.154.6★1,096 rev
Starboosa 1.25-inch 5X Barlow Lens & Moon Filter Kit-for Telescope Eyepieces
starboosa$19.384.0★270 rev
Newest
by launch date
Starboosa 1.25-Inch Telescope Eyepiece Set with Barlow and Filters
starboosa$56.1483 rev
1.25 5X Barlow Lens Fully-Multi Coated Achromatic Lens Fully Metal Astronomical Telescope Accessory with M42 Thread
Pocnsen$12.3844 rev
Telescope Barlow Lenses Kit 2X-3X-5X 1.25 Inch Telescope Accessory Fully Metal Multi Coated Broadband Green Film Barlow Lens for Astronomy Eyepiece
XCCYG$39.59151 rev
Starboosa 1.25-inch 5X Barlow Lens & Moon Filter Kit-for Telescope Eyepieces
starboosa$19.38270 rev
SVBONY SV137 2X Barlow Lens 1.25 inch Metal Body Fully Multi-Coated Telescope Accessory Internal Brass Ring with Male T-Thread for Telescope
SVBONY$18.43137 rev
Trending
90-day click momentum
AmScope SM05 0.5X Barlow Lens For SM Series Stereo Microscopes (48mm)
AmScope$54.294.7★
Starboosa 1.25-Inch Telescope Eyepiece Set with Barlow and Filters
starboosa$56.144.6★
Celestron 93529 1.25 Inch X-Cel LX 2X Barlow Lens Black
Celestron$96.274.6★
SVBONY 3X Barlow Lens Fully-Multi Coated Achromatic Barlow Lens 1.25 inch Telescope Accessories for Astronomical Visual and Photography
SVBONY$25.774.5★
1.25 5X Barlow Lens Fully-Multi Coated Achromatic Lens Fully Metal Astronomical Telescope Accessory with M42 Thread
Pocnsen$12.384.0★
What buyers say about barlow lens
What buyers praise and complain about, mined from review topics.What buyers love
“the build quality is superb”
“It works grate for astrophotography for lens quality”
“exactly what I ordered and needed”
“Good price”
“This actually works with a celestron c90 mak”
“easy to use”
“This this is powerful, I really enjoy getting close up views of the moon and planets”
“The zoom is intense so be sure to if you have a telescope that requires you to move on its own that you position ahead of the earths rotation”
“The amount of detail I can see on the moon was outstanding”
What buyers complain about
“Buy a lesser expensive one”
“Poor quality cheap made”
“Didn't work for me”
“Too powerful for most smaller scopes below 90MM x 1000mm Even with low power eyepieces like 40mm”
“Incompatibility”
“5x is tooo much for most scopes even with a 40mm low magnification eyepiece on a 80mm x 700mm scope a 2x or 3x is more than enough to play with different eyepieces down to 10mm”
“if the image quality is enhanced or limited in any way”
“I couldn't seem to focus the telescope with the moon filter in”
Top return reasons
Common questions
- Is barlow lens profitable to sell on Amazon United States?
- The niche generates $83K/yr across 17 tracked products. 90-day search growth is -10.8%. Flapen's verdict: Skip it (37/100).
- How competitive is the barlow lens niche?
- 8 brands and 26 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in barlow lens?
- Top complaints mined from reviews: Value For Money, Quality-Overall, Functionality-Overall. The return rate is 4.3%.
- When does demand for barlow lens peak?
- Demand peaks in Jan–Oct–Dec; the busiest month runs 2.5× the quietest.
- What does it cost to enter the barlow lens niche?
- Listings span $12.38–$195.40; the average listing price is $54.80 (sweet spot $15–$100). The average incumbent carries 1,125 reviews — the moat a new listing must climb.