Last Updated: Sep 27, 2023
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ | 
Package Dimensions: 17.78 cms (L) x 19.05 cms (W) x 26.035 cms (H)
Product Type: Camera Lenses
Package Quantity: 1
Country Of Origin: Japan
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Focus Camera LLC | 9.89 | ❌ | ❌ | ❌ | 
150-600mm F5-6.3 DG OS HSM / C
Minimum focusing distance : 280 cm/110.2 inches, focal length :150-600mm. Diaphragm blades: 9
First hyper-telephoto zoom from the Contemporary line, Dust proof and splash proof mount95mm filter
Lightweight & compact in construction for higher usability.SIGMA TELE CONVERTER TC-1401 and TC-2001 are dedicated to Tele Converter lenses, which should be used with only listed lenses.The converter cannot be attached to the camera and lens whose mount is different.Do not use the SIGMA TELE CONVERTER on top of another SIGMA TELE CONVERTER, or any other kinds of converters.
Water and oil repellent coating on front glass element makes maintenance of the lens surface easier
Weight : 1930g/ 68oz.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Pro Deals! | 6.40 | ✅ | ✅ | ✅ | 
Lightweight and compact in construction for higher useability
Water and oil repellent coating on front glass element makes maintenance of the lens surface
Filter Size: 95mm
Minimum focusing distance : 280 cm/110.2 inches, focal length :150-600mm
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Digital Village | 9.60 | ✅ | ✅ | ✅ | 
SONY E-mount
With nine rounded aperture blades, a stepping ring motor, and compact design
Perfect paring of high performance and pricing, Contemporary compactness, Art line Image Quality
Accessories Included: Lens Hood, Rear and Front Cap
For APS-C Mirrorless cameras including Sony E mount and Micro Four Thirds
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| PhoenixPhoto | 5.85 | ❌ | ❌ | ❌ | 
Featuring compact design, Light weight and outstanding image quality offered in sigma’s contemporary line
N addition, this lens is characterized by smooth and quiet autofocus ideal for video shooting. Compatible with the Sony E mount fast Hybrid AF, it also achieves precise AF tracking.
By using the face recognition or eye AF functions of the camera, focus Will continuously be on the face or the eye even if the subject Moves during the shoot.
Max Focal Length: 19.7 Mm. Angle of View (DC) 28.5º
Lens Type: Full Frame
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Gabrian's | 7.09 | ❌ | ❌ | ❌ | 
Designed specifically for APS-C sized sensors and the Pentax K-mount cameras.
Internal focusing and zooming allows for more usability and functionality
Minimum Focusing Distance 28 cm/ 11.0 in
The 18-35mm is ideal for landscapes, portraits, still life, snap shots, casual, and close-ups
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Digital Village | 9.60 | ✅ | ✅ | ✅ | 
Designed specifically for APS-C sized sensors
Internal focusing and zooming allows for more usability and functionality
The 18-35mm is ideal for landscapes, portraits, still life, snap shots, casual, and close-ups
Angle of view (SD1):76.5º-44.2º
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Digital Village | 9.60 | ✅ | ✅ | ✅ | 
Compatible with Sony E mount cameras
Perfect for nature & event photography
Large f/1.4 aperture for superb lowlight performance
Compact size makes it very portable
Fully accommodates Fast Hybrid AF
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Best Seller Deals | 6.52 | ❌ | ❌ | ❌ | 
50mm focal length
75mm equivalent focal length on APS-C cameras, 80mm equivalent focal length on Canon APS-C cameras
F1.4 maximum aperture; F16 minimum
Ring-type ultrasonic-type AF motor with full-time manual focusing
77mm filters.Angle of View (35mm):46.8°
Aperture Range: f/1.4 to f/16.
Hyper Sonic AF Motor.
Three Special Low Dispersion Elements.
Floating System & Large Diameter Design
Compatible with Sigma USB Dock.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Digital Goja | 9.95 | ✅ | ✅ | ✅ | 
F1.8 maximum aperture
F16 minimum
Ring-type ultrasonic-type AF motor with full-time manual focusing, 72mm filter size
Minimum focusing distance 28 cm/ 11.0 in. USB Dock compatible, MC-11 compatible.
Available in Canon EF (EF-S), Sony Alpha (dot), Nikon f (DX) mounts
0.23 optical Zoom
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Adorama | 9.86 | ❌ | ❌ | ❌ | 
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Digital Goja | 9.95 | ✅ | ✅ | ✅ | 
INCLUDES: Sigma 150-600mm Canon + Sigma USB Dock + Altura Photo Venture Camera Bag + SanDisk 64GB and 32GB C10 Ultra UHS-I SDXC Memory Cards + Altura Photo Rapid Fire Neck Strap + Altura Photo Mini Tripod with Pistol Grip + Altura Photo Rapid Fire Wrist Strap + Altura Photo Hard-Shell Case + Altura Photo Cleaning Kit + 3 Sizes MagicFiber Microfiber Lens Pouch
HIGH PERFORMANCE LENS: The Sigma 150-600mm f/5-6.4 DG OS HSM Contemporary Lens is the first hyper-telephoto zoom from the contemporary line. It is lightweight and compact in construction and offers a HSM (Hyper-Sonic Motor), Optical Stabilizer with Accelerometer, filter size of 95mm and features a minimum aperture of f/22.
COMPATIBLE with all Canon DSLR Cameras, including EOS 7D Mark II, 70D, 77D, 80D, 90D, Rebel T3, T3i, T4i, T5, T5i, T6, T6i, T6s, T7, T7i, SL1, SL2, SL3 APS-C Cameras, and EOS 5D Mark III, 5D Mark IV, 6D Mark II, 5DS, 5DS R, 1Dx Mark II Full Frame DSLR Cameras.
SIGMA accessories included: Sigma LCF-95 III 95mm Lens Cap + Rear Cap LCR II + LH1050-01 Lens Hood + TS-71 Tripod Collar + Protective Cover PT-11 + Lens Case + Shoulder Strap
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Digital Goja | 9.95 | ✅ | ✅ | ✅ | 
INCLUDES: Sigma 150-600mm f/5-6.3 DG OS HSM Super Telephoto Zoom Lens + Sigma USB Dock + Altura Photo Venture Camera Bag + SanDisk 64GB and 32GB C10 Ultra UHS-I SDXC Memory Cards + Altura Photo Rapid Fire Neck Strap + Altura Photo Mini Tripod with Pistol Grip + Altura Photo Rapid Fire Wrist Strap + Altura Photo Hard-Shell Case + Altura Photo Cleaning Kit + 3 Sizes MagicFiber Microfiber Lens Pouch
HIGH PERFORMANCE LENS: The Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary Lens is the first hyper-telephoto zoom from the contemporary line. It is lightweight and compact in construction and offers a HSM (Hyper-Sonic Motor), Optical Stabilizer with Accelerometer, filter size of 95mm and features a minimum aperture of f/22.
COMPATIBLE with all Nikon DSLR Cameras, including D500, D3100, D3200, D3300, D3400, D3500, D5100, D5200, D5300, D5500, D5600, D7100, D7200, D7500 APS-C Cameras, and D5, DF, D600, D610, D700, D750, D780, D800, D810, D850 Full Frame DSLR Cameras.
SIGMA accessories included: Sigma LCF-95 III 95mm Lens Cap + Rear Cap LCR II + LH1050-01 Lens Hood + TS-71 Tripod Collar + Protective Cover PT-11 + Lens Case + Shoulder Strap
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Focus Camera LLC | 9.89 | ✅ | ✅ | ✅ | 
Bundle Includes: Sigma 18-35mm f/1.8 DC HSM Art Lens for Canon DSLR Cameras with USB Dock for Canon Lenses, Camera System Gadget Bag with Accessory & Cleaning Kit, and 64GB Ultra SDXC UHS-I 100MB/s Memory Card
DC For Digital: Sigma's DG lenses are specifically designed to deliver the ultimate level of performance on full frame digital SLRs. Sigma DGs also maximize the abilities of 35mm SLR cameras and APS-C size DSLRs
Art Lens: Engineered for those who see photography as a critical expression of self, our Art line offers sophisticated optical performance and abundant expressive power to deliver faithfully on your artistic vision
Aspherical Lens Elements: The aspherical lens complex allows freedom of design, improved performance, a reduced number of component lenses and a compact size
Hyper Sonic Motor Focusing (HSM): Lenses employ a motor powered by ultrasonic waves that produce a quiet, yet high-speed AutoFocus. You can enjoy high performance with low noise in a variety of shooting situations.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Focus Camera LLC | 9.89 | ✅ | ✅ | ✅ | 
Bundle Includes: Sigma 24-70mm f/2.8 DG DN Art Zoom Full Frame E-Mount Lens, Rugged Mini 1TB USB 3.0 External Hard Drive, and 64GB Ultra UHS-I Class 10 SDXC Memory Card
For Professional and Advanced Armature Photographers: The Sigma 24-70mm f/2.8 DG DN Art lens exerts superiority in mirrorless camera-dedicated designs, resulting in a reduced lens size and weight while achieving uniformity and high resolution from the center to the periphery throughout the zoom range
Superior Optical Performance: The f/2.8 Art Series Lens is developed to achieve superior optical performance. By employing three aspheric lenses, this zoom lens thoroughly subdues aberrations such as axial chromatic aberration or sagittal coma aberrations, which are difficult to correct in post-processing, tailors the resolution and achieves uniformity and superior optical performance from the center to the periphery throughout the zoom range
Flexibility for Various Uses and Photographic Enviroments: Featuring a dust and splash-proof body and zoom lock mechanism for preventing the lens barrel from extending unexpectedly, the 24-70mm f/2.8 meets a wide range of needs for a variety of photographic environments
Dependable: Protected with USA Manufacturer Warranty
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Willoughby's Established 1898 | 6.82 | ❌ | ❌ | ❌ | 
Image quality that rivals our art line lenses.
The stepper motor ensures progressive and quiet autofocus.
Water and dust proof design.
Designed to minimise flare and ghost images.
International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Cambridgeworld | 7.29 | ❌ | ❌ | ❌ | 
Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 150mm with most cameras
Focuses down to 1:1 magnification ratio at its closest working distance of 12.3 inches
A hood adapter, lens hood, front & rear lens caps are included with the lens
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| tokyo lucky store | 5.77 | ❌ | ❌ | ❌ | 
Large aperture, stabilized, standard zoom lens
FLD glass with performance equal to fluorite
Carrying case, lens hood, front & rear caps. Lens Construction : 17 Elements in 13 Groups
OS is not available in Pentax and Sony mounts.
Maximum Magnifications 1:5, Minimum Focusing Distance 28 cm / 11 in
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Willoughby's Established 1898 | 6.92 | ❌ | ❌ | ❌ | 
30% more compact than previous lenses of its type
Close fucusing distance of 22cm
FLD, SLD and Aspherical lens technology
High speed autofocus
Lens can be customised when used with Sigma's USB Dock.No stabilizer for Sony and Pentax mounts.In order to avoid any malfunction problem, please operate one USB Dock per computer
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Wish United LLC | 6.99 | ✅ | ✅ | ✅ | 
Ultra wide-angle of view with large maximum aperture of F3.5
Sharp images with high contrast and superior peripheral brightness
Super multi-layer lens coating reduces flare and ghosting
Hyper Sonic Motor (HSM) ensuring silent, high-speed AF. Nikon mount built in motor lens: compatible with D40, D40x, D60, D3000, D5000
Aspherical lenses perfectly correct coma aberration.Corresponding Mounts:Nikon HSM,EX,DC
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Techinokitty | 5.15 | ❌ | ❌ | ❌ | 
17-70mm focal length
F2.8-4 maximum aperture; F22-22 minimum
Image stabilization
72mm filters
0.22m/8.66" minimum focus
Compatible with APS-C format DSLRs
Compatible with Sigma's USB Dock
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Tokyo Machinery Store | 6.82 | ✅ | ✅ | ✅ | 
Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 150mm with most cameras
Focuses down to 1:1 magnification ratio at its closest working distance of 12.3 inches
A hood adapter, lens hood, front & rear lens caps are included with the lens
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Willoughby's Established 1898 | 6.87 | ❌ | ❌ | ❌ | 
Sigma 17-70mm f/2.8-4 DC Macro OS HSM Lens - Lens Hood(LH-825-03) - Front & Rear Lens Caps - Sigma 1 Year North and South America Limited Warranty (3 Year USA Extended Warranty for a Total of 4 Years from Date of Purchase)
Brand: Sigma
MPN: 884101
72mm filters
Lens Series: Sigma DC
Color: Black
Minimum focusing distance of 22cm/8.6in throughout the entire zoom range
Maximum magnification ratio of 1:2.9
Thermally Stable Composite construction
7 diaphragm blades
72mm filter size
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Digital Village | 9.60 | ✅ | ✅ | ✅ | 
High speed with large aperture
HSM (Hypersonic motor) and inner focusing system
Accessories include: Lens Hood (LH730-03), carrying case
35 MM Focal length, Lens not zoomable
67mm filters
F1.4 maximum aperture; F16 minimum
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Digital Village | 9.60 | ✅ | ✅ | ✅ | 
offered in both SA-Sony FE and Canon EOS EF-Sony FE version
offers full electronic control of the lens, including autofocus and aperture selection
Support for both in len optical stabilizer or in camera shake reduction
PLEASE NOTE: Kindly refer the User Manual and Instructional Video before use which is highly essential.
VERY IMPORTANT: Kindly check Technical Specification for compatibility chart.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| tokyo lucky store | 5.84 | ❌ | ❌ | ❌ | 
Prime Lens
The Record-High Optical Performance
Lightweight And Compact
Focus Mode Switch, AFL button, Iris Ring Click and lock Switch
Dust and Splash Proof Construction
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Digital Goja | 9.95 | ✅ | ✅ | ✅ | 
INCLUDES: Sigma 16mm f/1.4 DC DN Contemporary Lens for Canon EF-M + AirBag Packable Bag and Camera Insert + Altura Photo Mini Tripod with Pistol Grip + Altura Photo Rapid Fire Wrist Strap + Altura Photo Hard-Shell Case + Altura Photo Cleaning Kit + 3 Sizes MagicFiber Microfiber Lens Pouch
A FAST, VERSATILE PRIME, this 16mm f/1.4 DC DN Contemporary Lens from Sigma is a 24mm-equivalent prime for APS-C-format Sony E-mount mirrorless cameras. Characterized by its bright f/1.4 maximum aperture, this lens is adept at working in low-light conditions, and also affords increased control over depth of field for selective focus control.
COMPATIBLE with APS-C Canon Mirrorless Cameras (M mount), including M, M2, M3, M5, M6, M6 Mark II, M10, M50, M100 and M200.
SIGMA accessories included: Sigma LCF-67 III 67mm Lens Cap + Rear Lens Cap + Sigma Petal-Type Lens Hood
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Focus Camera LLC | 9.89 | ✅ | ✅ | ✅ | 
Bundle Includes: Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary Lens for Canon, Sigma USB Dock for Canon Lenses, Sling Camera Bag, 2 x 64GB Ultra UHS-I Class 10 SDXC Memory Cards, Photo/Video Monopod 62-Inch, and 95mm Circular Polarizing and UV Protective Lens Filter Bundle
Compatible: Compatible with Canon DSLR cameras, including EOS 7D Mark II, 70D, 77D, 80D, 90D, Rebel T6, T6i, T6s, T7, T7i, SL2, SL3 APS-C Cameras, and EOS 5D Mark III, 5D Mark IV, 6D Mark II, 5DS, 5DS R, 1Dx Mark II Full Frame DSLR Cameras
Optical Image Stabilizer: Never miss that perfect shot with the Sigma contemporary lens. The optical stabilization function utilizes a built-in mechanism that compensates for camera shake. It dramatically expands photographic possibilities by alleviating cameras movement when shooting by hand held camera
Quiet and Fast Autofocusing: The Hyper Sonic Motor lenses employ a motor powered by ultrasonic waves that produce a quiet, yet high-speed AutoFocus. You can enjoy high performance with low noise in a variety of shooting situations
Contemporary Lens: This lens is part of the Contemporary category of Sigma's Global Vision. Sigma's Contemporary lenses combine modern techniques and materials in order to deliver a concept which combines a streamlined, lightweight construction with best-in-class optical quality and performance. This compact lens is one you trust for a variety of everyday applications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Willoughby's Established 1898 | 7.27 | ❌ | ❌ | ❌ | 
18-250mm focal length, only compatible with APS-C DSLRs
Minimum Focusing Distance 35cm / 13.8in.Maximum Magnification - 1:2.9
27-375mm equivalent focal length on APS-C cameras, 28.8-400mm equivalent focal length on Canon APS-C cameras
Micromotor-type AF motor with full-time manual focusing, Image stabilization, Up to 4 stops claimed, 62mm filters.Available in Canon EF, Nikon F (DX), Pentax KAF3, Sony Alpha, Sigma SA mounts
Optical Stabilizer (OS) is not available for Sony and Pentax
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING | 
|---|---|---|---|---|
| Adorama | 9.86 | ❌ | ❌ | ❌ | 
A wide-angle prime, this 16mm f/1. 4 is designed for micro Four Thirds mount Mirrorless cameras and provides a 24mm equivalent focal length.
Fast f/1. 4 maximum aperture excels in low-light conditions and also affords greater focus control for producing shallow Depth of field effects.
Three FLD elements, two Sled elements, and two molded aspherical elements to help reduce color fringing, chromatic aberrations, and spherical aberrations for notable sharpness, clarity, and color accuracy from Edge to edge.
A super multi-layer coating has been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlight conditions.
As an online shopper, it's crucial to make informed decisions. This review will focus on Sigma, a brand that has made its presence felt on Amazon. With its wide range of products in Camera Lens Sky & UV Filters, Sigma has become a go-to for many shoppers.
Sigma offers a vast product count of 215 items. This diverse selection caters to a wide array of needs and preferences, making it a versatile brand for consumers.
Quality is a defining factor for any brand. Based on customer feedback and ratings, Sigma's products have an average rating of 7.4 out of 10, indicating a high level of customer satisfaction.
When it comes to pricing, Sigma has products ranging from a minimum price of $9.21 to a maximum of $3,599.00, with an average price of $497.96. This pricing structure caters to a wide range of budgets, making Sigma an accessible choice for many shoppers.
Customer service is the backbone of any successful online brand. Sigma is sold by adorama cambridgeworld digital village willoughby's established 1898 tokyo lucky store gabrian's digital goja kumamoto-camera(japan) tokai camera shop from japan freeshipping 【premier house】 focus camera llc shutterbug camera shop amazon.com replay tech gk_store 6ave ブルーライフ port hole renewed usa_accessories bluebirdsales akashnil woodland hills camera & telescopes 42nd street photo electronics basket the pixel hub millennium camera awesome gift store tokyo dodd camera phoenixphoto optic supply wall street photo authorized seller peacock store true modern electronics best seller deals electronics dudes buzz-photo abe's electronics center pro deals! 2reasons 2120 sales wish united llc techinokitty rad savings beach camera same day shipping epoch camera 365 cycles japan-fast. selloutdeals walter's music action emporium gls72 amazon global store uk super trading pro tool liquidators goodwillbooks ogc store japancamerafreak nzuri apparel by mimi portable guy western slope photo & electronics ace photo world salas jk llc unalans store us bike liquidators worldwide cyclery wolfbite boxing skr camera store tradeinn shop kazal sdbikes&more bell's bike shop cojack407 tokyo machinery store star palace camera concacaf buydirect & save, usa exclusive electronics tree fort bikes rapid warehousing simple works tokyo power house and evernow online, who are known for their commitment to customer satisfaction. They have been responsive and helpful, according to customer reviews and feedback.
The shopping experience on Amazon with Sigma has been largely positive. The brand's wide range of products, combined with the ease of navigation on Amazon, has made shopping a breeze for many customers.
Delivery and packaging are yet another aspect where Sigma shines. Items are delivered in a timely manner and the packaging ensures the products reach the customers in pristine condition.
In conclusion, Sigma offers a wide range of quality products at varying price points, making it a brand worth considering for your next Amazon purchase. Their commitment to customer service, combined with a seamless shopping experience, makes Sigma stand out in the crowded Amazon marketplace.
Based on the analysis of product range, quality, pricing, customer service, shopping experience, and delivery, we rate Sigma [7.4 out of 10 stars].