9 things you should know about using prime lenses

Posted On: Jul 12, 2018   |   Posted By: TechRadar

9 things you should know about using prime lenses

Zoom lenses are undeniably great when it comes to convenience and versatility, delivering a wide range of focal lengths at the flick of a wrist. However, they demand a compromise in terms of outright image quality. With complex arrangements of large groups of lens elements moving back and forth to enable zoom, the optical purity suffers. Sharpness is often the first casualty, and barrel and pin-cushion distortions often appear at the wide-angle and telephoto ends of the zoom range respectively. You can also expect an increase in chromatic aberration (colour fringing around high-contrast edges in a scene) and vignetting. The latter effect is most commonly seen when you're using large apertures at the wide-angle end. Zoom lenses are also often more prone to ghosting and flare. Switch to a high-quality prime lens, and distortion and vignetting should be much less noticeable. Sharpness should also be excellent, so you can really make the most of the high-resolution sensors fitted to current digital cameras.
A...

Continue reading ...

 








Early Black Friday deal: Apple's HomePod speaker is on sale at its lowest...

Early Black Friday deal: Apple's HomePod speaker is on sale at its lowest price ever

There's no question whatsoever that in terms of sound quality, the Apple HomePod Smart Speaker is the best device in its class at that size. It can't quite match larger... Read more ...

Fortnite introduces new Food Fight mode for a limited time

Fortnite introduces new Food Fight mode for a limited time

Epic Games has announced that Fortnite is getting a new mode, dubbed Food Fight, as part of its today's v6.30 patch. The new Limited Time Mode is a food-themed base defense... Read more ...

Uber launches rider loyalty Rewards like credits & upgrades 9 cities

Uber launches rider loyalty Rewards like credits & upgrades 9 cities

Uber's new loyalty program incentivizes you not to check Lyft or the local competitor. Riders earn points for all the money they spend on Uber and Uber Eats that score them $5... Read more ...

Tencent returns to profit growth despite concern around games

Tencent returns to profit growth despite concern around games

Chinese internet giant Tencent bounced back from a disappointing previous quarter , but for once the company didn't have its gaming business to thank. Tencent may be best known... Read more ...

Amazon's Fire TV Recast is a decent DVR for antenna users

Amazon's Fire TV Recast is a decent DVR for antenna users

Amazon's Fire TV companion DVR, the Fire TV Recast , is available today to the public, after previously having been only offered for pre-order. The new device offers a way for... Read more ...

Samsung's new mobile chip has a dedicated AI unit, supports 8K video recording

Samsung's new mobile chip has a dedicated AI unit, supports 8K video recording

Samsung unveiled its newest flagship mobile chip, the Exynos 9820, today. It's the Korean hardware giant's first chip with a dedicated Neural Processing Unit , and also the... Read more ...

Seraient-ce les spécifications de la version la moins onéreuse du Samsung...

Seraient-ce les spécifications de la version la moins onéreuse du Samsung Galaxy S10 ?

Le Samsung Galaxy S10 sera le prochain flagship du constructeur sud-coréen. Il se pourrait qu'il se décline cette fois en 3 modèles différents, dont un plus abordable que les... Read more ...

Ford and Walmart are teaming up to test delivering products with...

Ford and Walmart are teaming up to test delivering products with self-driving cars

Ford announced on Wednesday that it is partnering with Walmart and Postmates to explore how the companies can use self-driving vehicles to deliver products in Miami-Dade County... Read more ...

Google Assistant adds broadcast replies, alarm routines, more

Google Assistant adds broadcast replies, alarm routines, more

The Google Assistant is getting an upgrade, with new features for smart displays like the Google Home Hub, along with better use of Routines and more flexible broadcasts. The... Read more ...

Microsoft is acquiring a Texas-based AI startup as it prepares for the next...

Microsoft is acquiring a Texas-based AI startup as it prepares for the next wave of the cloud wars

Microsoft announced Wednesday it would acquire an Austin-based software product design and development studio called XOXCO. XOXCO is known for Howdy, a bot for the popular... Read more ...