Rokinon 135mm f/2 ED UMC

The Rokinon 135mm F2.0 ED UMC is a manual focus prime lens that punches way above its price class for sharpness and low-light performance. It's a favorite among astrophotographers and portrait shooters who don't mind focusing by hand. Just know it's heavy, has no autofocus, and isn't weather sealed.

Sharpness is where this lens earns its keep. Wide open at f/2.0, it's genuinely impressive, and that's not something you can say about every budget prime. The ED element does its job keeping chromatic aberration in check, so you won't see much purple fringing on high-contrast edges. Our database puts the optical quality at the 58th percentile overall, which sounds middle of the pack until you remember this lens costs a few hundred bucks and competes with glass that costs three to five times more.

For astrophotography, the f/2.0 aperture is the star of the show. You can shoot at lower ISOs and shorter shutter speeds than you could with an f/2.8 or f/4 lens, which means cleaner night sky images with less star trailing. The 9-blade diaphragm produces round bokeh highlights, though our bokeh score lands at the 24th percentile, so don't expect the dreamiest background rendering in the business. It's good, not magical. Minimum focus distance is 790mm, which is fine for portraits but rules out any serious macro work. The macro score sits at the 48th percentile, so it's passable for close-up detail shots but not a macro lens by any stretch.

The Rokinon 135mm F2.0 doesn't have a ton of direct competitors at this price point, but there are some interesting alternatives. The Meike MIX Series 85mm F1.4 II is another manual focus prime that's popular with portrait shooters, and it's a stop faster at f/1.4, though you lose the 135mm compression. The Sigma Contemporary 18-50mm f/2.8 DC DN is a zoom that covers a completely different range, so it's not a direct rival, but it's worth mentioning if you're weighing a versatile zoom against a specialized prime. The Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD offers autofocus and stabilization plus a huge zoom range, but you sacrifice the fast aperture and the sharpness this Rokinon delivers wide open.

The Panasonic Leica DG Vario-Elmarit H-ES12035 and Sony E 18-135mm f/3.5-5.6 OSS are both zooms aimed at different use cases entirely. If you need one lens that does everything, those make more sense. But if you want a dedicated portrait or astro lens with a fast aperture and you're willing to focus manually, the Rokinon beats them all on pure image quality per dollar. The trade-off is real though: no autofocus means this lens is frustrating for anything that moves quickly. Our wildlife and sports score for this lens is 20.5 out of 100, which is a polite way of saying don't even try.

Here's where things get interesting. US pricing on this lens is all over the map, ranging from USD 299 to USD 1,513 across 9 listings. That's a USD 1,214 spread, which is wild. The low end is an absolute steal for this optical quality, and the high end is frankly absurd for a manual focus lens with no weather sealing. If you're in the US, hunt for the listings closer to that USD 299 mark. European buyers see a much tighter range of EUR 515 to EUR 577 across 4 listings, which is more predictable but less exciting. Canadian pricing runs CAD 614 to CAD 753, and Brazilian buyers are looking at BRL 3,801 to BRL 4,782. The value proposition depends heavily on where you buy and what you pay. At the low end, this lens is one of the best deals in photography. At the high end, you're better off looking at used first-party glass.

The Rokinon 135mm F2.0 ED UMC is a manual focus prime lens that sits in a weirdly wonderful spot. It's a telephoto portrait and astro lens that costs a fraction of what first-party 135mm glass goes for, and it's built for Canon EF and Nikon F mounts with full-frame coverage. No autofocus, no stabilization, no weather sealing. Just a big chunk of glass and a buttery focus ring. If you're shopping for a 135mm prime and don't mind doing the focusing yourself, this thing has a reputation that precedes it.

People search for this lens for two main reasons: astrophotography and portraits. The f/2.0 aperture lets in a ton of light, and the 135mm focal length gives you that compressed, creamy background look that portrait shooters obsess over. On a full-frame body you get an 18.8 degree angle of view, and on APS-C it tightens to 12.4 degrees, which is roughly a 202mm equivalent. That crop factor is worth knowing about before you buy.

At 830 grams, it's not a featherweight. But the build feels solid, and the manual focus throw is long and well-damped, which is exactly what you want when you're trying to nail focus on a star or an eyelash. The lens uses 11 elements in 7 groups with one extra-low dispersion element and Rokinon's Ultra Multi-Coating to keep flare and ghosting under control.

Skip this lens if you shoot wildlife, sports, or anything that moves fast. The manual focus and 20.5 out of 100 wildlife and sports score make it a frustrating choice for action photography. Event and wedding shooters who need autofocus to keep up with candid moments should look at autofocus primes or zooms instead. If you're on an APS-C body and want a versatile everyday lens, the 202mm equivalent focal length is too tight for general use, and something like the Sigma 18-50mm f/2.8 or Sony 18-135mm would serve you better. And if you shoot in harsh weather regularly, the lack of weather sealing is a real limitation.

Should you buy the Rokinon 135mm F2.0 ED UMC? If you shoot portraits, astrophotography, or anything where you have time to focus carefully, yes. This lens delivers sharpness and light gathering that would cost you a fortune from Canon or Nikon. The manual focus is a feature here, not a bug, because the long focus throw gives you the precision you need for critical focus at f/2.0. The build quality feels solid, and the optical performance is genuinely impressive for the price.

But this is not a general-purpose lens. If you need autofocus for events, weddings, or anything involving moving subjects, look elsewhere. The lack of weather sealing means you'll want to be careful in rain or dust. And the weight is noticeable after a long shoot. This is a specialist's lens, and for the specialist it's aimed at, it's one of the best values on the market right now.