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Rokinon Reflex 300mm f/6.3 ED UMC CS Manual Focus Lens Sony E-Mount, Black

SKU: RK300MEBK MFR: 300M-E-BK
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Includes 2 Free Items ($60.89 Value)

SINDA8258
Sirui 58mm Lens Thread to NDH100-82 Filter Holder Adapter Ring
SINAMCCR58BR
Sirui 58mm Nano MC Circular Polarizer Filter, Brass Ring

Key Features

  • Capture stunning, detailed shots with this Rokinon 300mm telephoto lens for your Sony E-mount camera.
  • Experience unique, donut-shaped bokeh with the reflex-style design, perfect for creative photography.
  • Compact and lightweight at just 11.2 oz, this lens is ideal for travel and on-the-go photography.
  • The manual focus lens allows precise control, enhancing your skills in various shooting scenarios.
  • Achieve a 450mm equivalent focal length on APS-C sensors, bringing distant subjects closer easily.
  • Its fixed f/6.3 aperture ensures consistent exposure, great for wildlife and landscape photography.
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Special Order?Estimated to Ship: 08/23/2025
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Available to U.S. customers only.

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Questions & Answers

JOSEPHINE M : Since this is a static 300Mm, what is the 'wide" measure? 18mm, 24mm ?ANDREW R : I'm afraid I don't understand your question. This lens is a single focal length, 300mm.
JOSEPHINE M : Will this work with the Sony a6300?ANDREW R : This manual focus lens should work with most Sony "E" mount mirrorless camera bodies.
Shopper : Why Did You Choose This?ALEX C : Inexpensive 300mm. Won’t know if it’s right for me until I try it.RICK M : Reviews

Reviews about this item

Review Summary

2019-02-06T00:41:18

Rated 2 out of 5

Razor thin focus

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

Rated 4 out of 5

good construction, strong vignetting and limited sharpness

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.

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4 Accessories for Rokinon Reflex 300mm f/6.3 ED UMC CS Manual Focus Lens Sony E-Mount, Black

  • All Accessories (4)
  • Cleaning Accessories (4)

Designed For Use With:

  • Sony A6000
  • Sony a6100
  • Sony a6400
  • Sony a6600
  • Sony a6700
  • Sony ZV-E10
  • Sony ZV-E10 II
  • Sony A3000
  • Sony a5000
  • Sony a5100
  • Sony a6300
  • Sony a6500
  • Sony NEX C3
  • Sony NEX-3
  • Sony NEX-5
  • Sony NEX-5R
  • Sony NEX-5T
  • Sony NEX-6
  • Sony NEX-7
  • Sony NEX-F3

Compatible With Restrictions:*

* If using a APS-C Lens on a Full Frame Camera OR Full-Frame Lens on a APS-C Camera then Image sensor will be narrowed down to APS-C size.

  • Sony A7
  • Sony a7 II
  • Sony a7 III
  • Sony a7 IV
  • Sony A7C
  • Sony a7C II
  • Sony a7CR
  • Sony A7R
  • Sony a7R II
  • Sony a7R III
  • Sony a7R IV
  • Sony a7R V
  • Sony a7S
  • Sony A7S II
  • Sony a7S III
  • Sony a9
  • Sony a9 II
  • Sony a9 III
  • Sony Alpha 1
  • Sony ZV-E1

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For any questions about compatibility with this product, call us at 800-223-2500 or you can email us any time.