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Sigma 18-35mm f/1.8 DC HSM Art Lens for Canon EF


Sigma 18-35mm f/1.8 DC HSM Art Lens for Canon EF
The Sigma 18-35mm f/1.8 DC Art Series HSM lens in Canon mount integrates one aspherical element into its construction as well as Special Low Dispersion (SLD) glass to help minimize various aberrations and distortions throughout the zoom range as well as provide greater image sharpness and clarity. A Super Multi-Layer Coating has also been applied to lens elements to reduce surface reflections, lens flare, and ghosting to produce images with higher contrast and color fidelity. The lens barrel design is constructed from a Thermally Stable Composite (TSC) material that is akin to metal in texture and resistance to temperature and environmental changes while also remaining lightweight and compact.
An internal focusing and zooming mechanism also helps to maintain a compact and consistent overall length and a non-rotating front ring also better enables the use of circular polarizing filters. For control of focus, a Hyper Sonic Motor (HSM) is used to ensure fast, precise, and quiet focusing capabilities that are well suited to continuous shooting and movie recording. Also, for updating lens firmware and fine-tuning its nuances to best suit your personal shooting, this lens is compatible with the Sigma USB Dock. The dock allows you to specify certain parameters and other settings through the Sigma Optimization Pro software, such as AF speed and focusing limitations.
This lens features the latest SIGMA technologies to offer F1.8 throughout the zoom range and unparalleled performance
Impressively bright constant f/1.8 maximum aperture is well-suited for working in low-light conditions
Five Special Low Dispersion (SLD) elements are featured in the optical design and help to reduce color fringing and chromatic aberrations for improved clarity and color accuracy
Specifications:
Focal Length: | 18 to 35mm (35mm Equivalent Focal Length: 28.8 to 56mm) |
Maximum Aperture: | f/1.8 |
Minimum Aperture: | f/16 |
Lens Mount: | Canon EF |
Lens Format Coverage: | APS-C |
The angle of View: | 76.5° to 44.2° |
Minimum Focus Distance: | 11.02" / 28 cm |
Maximum Magnification: | 0.23x |
Macro Reproduction Ratio: | 1:4.3 |
Optical Design: | 17 Elements in 12 Groups |
Diaphragm Blades: | 9, Rounded |
Focus Type: | Autofocus |
Image Stabilization: | No |
Filter Size: | 72 mm (Front) |
Dimensions (ø x L): | 3.07 x 4.76" / 78 x 121 mm |
Length at Maximum Extension: | 4.77" / 121.1 mm |
Weight: | 1.78 lb / 810 g |
Tips for protecting your children online
In today's digital age, ensuring your children's safety while they browse the internet is paramount. As they explore the vast online world through smartphones, gaming consoles, laptops, and other devices, it's essential to implement measures to shield them from potentially harmful content and interactions. Here are some tips to help you safeguard your children online:
1. Communication is Key
Open and ongoing communication with your children about online safety is crucial. Discuss the potential dangers they may encounter online, such as pornography, cyberbullying, and violent content. Encourage them to come to you with any concerns or questions they may have.
2. Set Clear Boundaries
Establish clear rules and boundaries regarding internet usage. Define appropriate time limits for browsing and specify which websites and apps are off-limits. Make sure your children understand the consequences of violating these rules. You can also restrict some of these apps or online content utilising device level parental controls explained below.
3. Utilise Parental Controls
Take advantage of the parental control features available on devices and internet browsers. These controls allow you to block access to specific websites, set age-appropriate content filters, and monitor your children's online activities. Familiarise yourself with the parental control options on smartphones, gaming consoles, and laptops to effectively manage your children's online experiences.
4. Educate Yourself
Stay informed about the latest trends and technologies related to online safety. Familiarise yourself with popular social media platforms, gaming communities, and messaging apps that your children may use, including the functions they provide. This knowledge will help you understand the potential risks and take appropriate action to protect your children.
5. Monitor Their Online Activities
Regularly monitor your children's online activities to ensure they are adhering to the rules and staying safe. Keep an eye on their browsing history, social media interactions, and messaging apps. Be vigilant for any signs of cyberbullying or exposure to inappropriate content.
6. Encourage Safe Online Behavior
Teach your children about the importance of practicing safe online behavior. Remind them never to share personal information, such as their full name, address, or phone number, with strangers online. Encourage them to think critically about the content they encounter and to report anything that makes them feel uncomfortable or unsafe.
7. Lead by Example
Be a positive role model for your children by demonstrating responsible and respectful online behavior yourself. Show them how to navigate the internet safely and responsibly, and emphasize the importance of treating others with kindness and empathy online.
8. Reporting abuse, making complaints and finding more information
For additional resources and guidance on online safety, visit the Australian e-Safety Commissioner's website at www.esafety.gov.au. Here, you'll find a wealth of information, including tips for parents, educational resources for children, and tools for reporting online abuse and harassment.
You can also report abuse through the website’s online form.
By following these tips and utilising available resources, you can help keep your children safe from pornography, cyberbullying, violent content, and other unsafe material while they navigate the internet. Remember, proactive measures and open communication are key to fostering a safe and positive online environment for your family.
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Item received in a quick period of time and as described. I have it up and running for our business and it is amazing. Happy with the product and the seller. A++
Thanks guys. Very fast delivery. Loving the steam deck.
Battery life on this mobile is the best I’ve had from any brand.Does everything I need it to do at a fraction of the price of the big guns.Very Very Happy.
Sadly I thought the battery was not part of stick. To have to charge battery separately not a wall attachment. This makes it heavy and has a storage issue.
The canister is too small and messy to empty.
All in all not too impressed.
Absolutely perfect for what I needed it for. Cheers