Bryan Recommends Buying It Here. View the image quality delivered by the Canon EF-S 24mm f/2.8 STM Lens using ISO 12233 Resolution Chart lab test results. Compare the image quality of this lens with other lenses.
Canon RF 10-20mm f/4L IS STM at BHPhoto for $2,299. The new lens only zooms to 20mm at the long end, rather than 24mm on the prior model, though it does go slightly wider to 10mm rather than 11mm. This is a welcome tradeoff, as most people looking to buy this optic will likely have access to a 24mm focal length (with a lens like the Canon RF 24
Here is Canon's rated MTF curve: Canon 20mm f/2.8 USM MTF. Sunstars performance top. Six-Pointed Sunstar. Canon 20/2.8 USM on full-frame 5D Mk III, f/10 at 1/400 at ISO 100. bigger. With an ordinary 6-bladed diaphragm, sunstars are common 6-pointed ones, visible at many apertures, on brilliant points of light.
EF-S 35mm f/2.8 Macro IS STM. EF-S Series Macro Lens with Built-in Macro Lite. Bright f/2.8 Aperture and 35mm* Standard Angle of View. Hybrid IS (Shake Correction Function). High Image Quality with GMo Aspheric Lens. Compact, Lightweight Design. Smooth Movie Servo AF with Lead Screw-type STM. Need to order more than 10? Learn More.
I will be scrutinizing how this lens performs from a astro state of mind—which is extremely taxing on optics. I will also be putting it up against the legacy Nikkor 14-24 f/2.8G for F mount, as well as the Sigma Art 14-24 f/2.8 which is available for Nikon F Mount, Canon EF mount, Sony E mount and L-Mount cameras, and is a worthy competitor.
If you want to shoot sharp photos of stars, it helps to have the right lens for the job. After all, a good lens during the day might be a dud for resolving pinpoint stars in a photo’s corners at night. Here, I’ve tested five popular wide-angle lenses for astrophotography: the Laowa 12mm f/2.8, Rokinon 14mm f/2.4, Samyang 14mm f/2.8, Nikon
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canon ef s 24mm f 2.8 stm astrophotography
