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Review Summary
2019-02-06T00:41:18
Given this is a manual lens, focal depth is extremely important. Unfortunately, when taking pictures of deer standing within 3 feet of one another, one was in focus and the other out of focus. When attempting astro photos from a tripod, I could not get the moon or stars to properly focus either.
Christopher A.
2017-03-08T11:41:57
as stated in the title this lens represented a point on the compromise curve: very low cost, good physical construction, mediocre image quality. When shooting against any light background the vignetting is strong enough to make post processing a hassle. Sharpness in the dead center is also visibly worse than premium super telephoto lens. The other problem is the sheer difficulty of getting a good focus. I was trying to put it on infinity when shooting the moon, and it felt like that the focus ring needs to be placed with very high precision. I needed to do a 'focus bracketing'. Because of the low cost, I have to give this 4 stars rather a lower score reflecting its image quality. before you buy, check out all the reviews on the internet and think about your priority.
Ding D.
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Black
300mm
f/6.3
APS-C
Reflex Mirror (Catadioptric) 9 Glass Elements in 9 Groups
f/6.3 FIXED
Ultra Multi-Coating
2.95' (0.9m)
58mm/25.5mm
Removable
2.54 x 2.90" (64.5 x 73.7mm)
11.2 oz (318g)
192223263017, 4719850594343, 024066068095, 024066067951, 840014139958, 084438761450
For any questions about compatibility with this product, call us at 800-223-2500 or you can email us any time.
When capturing distant subjects with precision and clarity is your goal, the Rokinon Reflex 300mm f/6.3 ED UMC CS Lens for Canon EF-M is an exceptional choice. This mirror lens is expertly crafted for mirrorless cameras, offering a remarkable 450mm 35mm-equivalent focal length through its innovative Cassegrainian design. This design allows the lens to maintain a compact and lightweight profile, significantly smaller than traditional 300mm lenses, making it ideal for photographers on the go.
The lens features a fixed f/6.3 aperture and relies on manual focus, enabling photographers to focus as closely as 2.95 feet. Its construction includes one extra-low dispersion element, which, combined with the mirror design, effectively minimizes chromatic aberrations. This results in images with outstanding sharpness and clarity. The Ultra Multi Coated (UMC) technology further enhances image quality by reducing surface reflections, lens flare, and ghosting, thereby improving overall contrast from the center to the edges of the frame.
Designed with minimized flare and ghost effects, this lens ensures crystal-clear, sharp image quality, making it suitable for a variety of shooting conditions. Its compact and lightweight build is perfect for travel, while the smooth focus ring provides precise control, delivering images with incredible sharpness. This makes it particularly well-suited for indoor and night photography.
The reflex mirror lens design not only adds convenience with its short barrel but also creates a unique donut-shaped bokeh, adding an artistic touch to your images. This lens is bundled with Hoya 58mm UV and CPL filters, enhancing your photographic capabilities by protecting the lens and allowing for greater control over reflections and contrast.
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