---
title: "Sigma 18-50mm F2.8 Sony — $1.4M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/sigma-18-50mm-f2-8-sony"
last_updated: "2026-08-11T21:17:01.590Z"
locale: en
meta:
description: "Niche score 35/100 · $1.4M/yr market · 238K searches/yr · $582.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $1.4M/yr market · 238K searches/yr · $582.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sigma 18-50mm F2.8 Sony — $1.4M/yr Amazon US Niche (2026) - Flapen"
---
# **sigma 18-50mm f2.8 sony**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 85Growth 55Conversion 13Competition 35Returns 19Price range 0Avg price 0Brand share 0Review moat 81Quality gap 20
**Market size**
**Great****$1.4M**
$1.4M/yr · 238K searches
**Review moat**
**Great****381.13**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+28.2%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Returns**
**Bad****6.7%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Avg price**
**Bad****$582.57**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****$223.78–$664.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, sigma 18-50mm f2.8 sony is a $1.4M/yr Amazon United States market (238K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 35/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sigma 18-50mm f2.8 sony market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$1.2M–$1.5M**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#219**
- **Page quality**
- **0%**
- **Prime**
- **53%**
- **Sponsored**
- **93%**
- **Out of stock**
- **3.2%**
- **Avg brand age**
- **69 months**
- **Avg seller age**
- **178 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**4 **▲rising
**Sellers**
**90**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**0%**
- Sigma91% - Tamron4% - SSE3% - Sony1%
## **Demand & seasonality**
Weekly Amazon search volume, last 80 weeks — +28.2% search growth over the last 90 days.
13K8KPrime Day '25Spike '25Black Friday '25Spike '26 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/electronics/sigma-18-50mm-f2-8-sony/trend)
## **Top sigma 18-50mm f2.8 sony search terms**
- **sigma 18-50mm f2.8 sony**175K/yr+23.0%1.1% conv. - **sigma 18-50**18K/yr+28.0%0.7% conv. - **sigma 18-50mm**9K/yr+69.3%0.7% conv. - **sigma 18-50mm f/2.8**6K/yr+92.4%1.0% conv. - **sigma 18-50mm f/2.8 dc dn**6K/yr+111.1%1.1% conv. - **sigma 18-50mm f2.8**6K/yr+46.2%0.8% conv. - **18-50mm f2.8 sony**5K/yr+22.0%0.5% conv. - **sigma 18-50mm f2.8 sony e-mount**2K/yr+24.5%2.0% conv. - **sigma 18 50**5K/yr-22.1%0.2% conv. - **sigma 18-50mm f/2.8 dc dn contemporary lens for sony e**2K/yr-24.0%5.0% conv. [**All search terms **](https://flapen.com/research/us/electronics/sigma-18-50mm-f2-8-sony/search-terms)
## **Top sigma 18-50mm f2.8 sony 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.
0%10%$143K20%$286K30%$428K40%$571K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Sigma 18-50mm F2.8 DC DN Contemporary Zoom Lens (for E Mount) Black**Sigma**$563.81**4.7★1,690 rev](https://www.amazon.com/dp/B09JVBB36L) [2**Sigma 18-50mm F2.8 DC DN Contemporary Lens for Sony E-Mount with Tiffen 55mm UV Protector Filter SanDisk 128GB Extreme PRO UHS-I SDXC Memory Card and Waith Camera Backpack (Bundle Set)**Sigma**$613.65**4.6★33 rev](https://www.amazon.com/dp/B0D3LRVTXZ) [3**Sigma 18-50mm f/2.8 DC DN Contemporary Lens for Sony E Bundle with UV Filter + Deluxe Cleaning Kit - Blower Lens Pen Brush & Case + Cap Keeper + Microfiber Cleaning Cloth (4 Items)**Sigma**$607.49**4.8★39 rev](https://www.amazon.com/dp/B0CSF289H3) [4**Sigma 18-50mm f/2.8 DC DN Contemporary Lens for Sony E Mount with Tiffen CPL Filter 64GB SD Card and Camera Bag Bundle (4 Items)**Sigma**$622.84**4.9★41 rev](https://www.amazon.com/dp/B09MJCJ5JF) [5**Sigma 18-50mm f/2.8 DC DN Contemporary Lens for Sony E with 4-Year USA Warranty 55mm UV/CPL/ND Filter Kit Backpack Cleaning Kit Lens Cleaner Cap Tether & Software Kit**Sigma**$618.70**4.4★14 rev](https://www.amazon.com/dp/B09PTKNNTK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Sigma 18-50mm f/2.8 DC DN Contemporary Sony E (MFR Part #585965) Bundle. Great for Professional Portraits Weddings Indoor/Outdoor Adventure Wildlife Travel and Photo use + Accessories**Sigma**$664.51**0 rev1y ago](https://www.amazon.com/dp/B0FDM2MYQ2) [**SIGMA 18-50mm F2.8 DC DN Contemporary Lens for Canon RF Mount Mirrorless Cameras**Sigma**$575.93**194 rev2y ago](https://www.amazon.com/dp/B0D81586GK) [**Sigma 18-50mm F2.8 DC DN Contemporary Lens for Sony E-Mount with Tiffen 55mm UV Protector Filter SanDisk 128GB Extreme PRO UHS-I SDXC Memory Card and Waith Camera Backpack (Bundle Set)**Sigma**$613.65**33 rev2y ago](https://www.amazon.com/dp/B0D3LRVTXZ) [**Sigma 18-50mm f2.8 DC DN Contemporary Lens for Sony E with Sunshine Photo Advanced Bundle - 4 Years USA Manufacturer Warranty**Sigma**$607.43**2 rev2y ago](https://www.amazon.com/dp/B0CXF9Q5LX) [**Sigma 18-50mm f/2.8 DC DN Contemporary Lens for Sony E Bundle with UV Filter + Deluxe Cleaning Kit - Blower Lens Pen Brush & Case + Cap Keeper + Microfiber Cleaning Cloth (4 Items)**Sigma**$607.49**39 rev2y ago](https://www.amazon.com/dp/B0CSF289H3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Sigma 18-50mm f/2.8 DC DN Contemporary Lens for Sony E - Bundle with 55mm Filter Kit Case Cleaner Cleaning kit Movo Sling Strap Cap Tether**Sigma**$617.44**5.0★**▲ 156%**](https://www.amazon.com/dp/B0CP2TSYQ3) [**Sigma 18-50mm f/2.8 DC DN Contemporary Sony E (MFR Part #585965) Bundle. Great for Professional Portraits Weddings Indoor/Outdoor Adventure Wildlife Travel and Photo use + Accessories**Sigma**$664.51**0.0★**▲ 107%**](https://www.amazon.com/dp/B0FDM2MYQ2) [**Sigma 18-50mm f/2.8 DC DN Contemporary Lens for Sony E with 4-Year USA Warranty 55mm UV/CPL/ND Filter Kit Backpack Cleaning Kit Lens Cleaner Cap Tether & Software Kit**Sigma**$618.70**4.4★**▲ 106%**](https://www.amazon.com/dp/B09PTKNNTK) [**Sony - FE 50mm F1.8 Standard Lens (SEL50F18F/2) Black**Sony**$223.78**4.7★**▲ 56%**](https://www.amazon.com/dp/B07XBX32GR) [**SIGMA 18-50mm F2.8 DC DN Contemporary Lens for Canon RF Mount Mirrorless Cameras**Sigma**$575.93**4.6★**▲ 53%**](https://www.amazon.com/dp/B0D81586GK)
**~~View all trending →~~**
## **What buyers say about sigma 18-50mm f2.8 sony**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Lenses**47%
*“the best lens I could choose for my camera”*
**Quality-Overall**11%
*“Great quality”*
**Value For Money**11%
*“Price is affordable”*
**Image/Picture Clarity**8%
*“The picture quality is stunning”*
**Zoom**4%
*“It strikes an ideal balance between performance, size, and price, making it a perfect everyday zoom for a wide range of shooting situations”*
**Aperture**2%
*“The bokeh is smooth and pleasing, and the constant F2.8 aperture is an absolute blessing for content creation in mixed or low-light environments”*
**Auto Focus**2%
*“fast autofocus”*
**Color**1%
*“the color is amazing”*
**Compactness**1%
*“Compact”*
**Advertised Vs Actual Product**1%
*“exactly as described”*
### **What buyers complain about **
**Lenses**23%
*“Truly awful lens”*
**Auto Focus**11%
*“autofocus not the best”*
**Size-Overall**8%
*“Its too big”*
**Product Condition**6%
*“Not a new lens”*
**Compatibility-Overall**4%
*“BUG / COMPATIBILITY ISSUES”*
**Durability**2%
*“one of the legs broke off immediately by just trying to unfold it”*
**Quality-Overall**2%
*“bought it all separately for quality”*
**Image/Video Stabilization**2%
*“the stabilization is just plain bad”*
**Add-Ons/Attachments**2%
*“Cheap accessories”*
**Functionality-Overall**2%
*“the card that is included in this bundle doesn't work”*
### **Top return reasons **
**Lenses**45%
**Value For Money**9%
**Image/Picture Clarity**6%
**Auto Focus**6%
**Compatibility-Overall**6%
**Zoom**5%
**Advertised Vs Actual Product**3%
**Size-Overall**3%
**Mounting**2%
**Product Condition**2%
## **Common questions**
- **Is sigma 18-50mm f2.8 sony profitable to sell on Amazon United States?**
- The niche generates $1.4M/yr across 15 tracked products. 90-day search growth is +28.2%. Flapen's verdict: Skip it (35/100).
- **How competitive is the sigma 18-50mm f2.8 sony niche?**
- 4 brands and 90 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in sigma 18-50mm f2.8 sony?**
- Top complaints mined from reviews: Lenses, Auto Focus, Size-Overall. The return rate is 6.7% — above our launch gate.
- **When does demand for sigma 18-50mm f2.8 sony peak?**
- Demand peaks in Jan–Feb–Mar; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the sigma 18-50mm f2.8 sony niche?**
- Listings span $223.78–$664.51; the average listing price is $582.57 (sweet spot $15–$100). The average incumbent carries 381 reviews — the moat a new listing must climb.
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