Despite I am a (Sony) mirrorless fanboy, I decided to pick a Canon EOS lens. I have a nice collection of Canon FD lenses, including the FD24mm/f1.4L, but I've always wanted to own a Canon EOS lens, too. I ordered a Viltrox EF-NEX (electronic) adapter and I visited a local shop and I tried the EF-S 24mm (adapted) on my A5100. The Best Canon APS-C-Only Landscape Lenses. 1. Canon EF-S 10-22mm f/3.5-4.5 USM Lens. Covering the Ultra Wide Angle Focal Lengths. The Canon EF-S 10-22 is a good APS-C choice for emphasizing foregrounds against and in-focus distant background. The look that 10mm allows is great. This lens is a relatively small, light, and easy to take with you. 2. Re: Canon EF-S 24mm f/2.8 STM Lens Questions! In reply to Okiedrifter • Mar 23, 2015 Finally blessed with a clear night so I tried out the 24mm. Expert news, reviews and videos of the latest digital cameras, lenses, accessories, and phones. Canon EF-S 24mm f/2.8 STM Lens Questions! Mar 15, 2015 Im fairly Better focus ring. The 50mm f/1.8 II might as well as not had a focus ring at all. It was terrible. Tiny, scratchy, and not at all fun to manually focus. The new focus ring will be a bit wider and definitely smoother, and STM does allow for full time manual override (unlike previous versions of this lens). Canon calls this the CANON MACRO LENS EF-S 35mm f/2.8 IS STM. MACRO: Focuses super close. EF: Electronic Focus, as all Canon's lenses have been since 1987. -S: Only fits Canon's APS-C DSLRs. IS: Image Stabilization. STM: STepper autofocus Motor. Optics. Canon 35 2.8 internal construction. Subject on left, image plane on right. If you're wanting this specifically for astro, I would say that instead, take a look at the Samyang 24mm F1.4 manual lens. It has excellent coma handling compared to Canon equivalents. Stop down to F2 for sharpness. Still a very fast lens. Just search for comparison reviews of that lens vs a Canon lens and see the examples. MELVILLE, N.Y., April 6, 2017 – Compact and lightweight, the new Canon EF-S 35mm f/2.8 Macro IS STM, announced today by Canon U.S.A., Inc., a leader in digital imaging solutions, is the widest-angle Macro offering in Canon’s popular EF-S lens series. The new lens is designed to help both entry-level and advanced amateur DSLR photographers Canon announced the RF 24mm F1.8 Macro IS STM alongside the RF 15-30mm F4.5-6.3 IS STM ultra-wide zoom in July last year.But it has more in common with the RF 35mm F1.8 Macro IS STM that was introduced with the company’s first mirrorless full-frame camera, the Canon EOS R, back in September 2018. Why we liked the Canon EF-S 24mm f/2.8 STM. The Canon EF-S 24mm f/2.8 STM is an ultra-slim pancake prime and is one of the least expensive lenses you can buy. Measuring just 22.8mm thick, it’s ghmhjxf.