Cosinon 55mm f/2.8 (II)
Optical design
Bright lens thanks to the high aperture value Has 5 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.Physical characteristics
With a lens filter diameter of 49 mm commonly filter size, provides a range of filter options. Weights 155 grams so convinient to carry.Cosinon 55mm f/2.8 (II) purchase historyTrending up +2.9%/mo
Prices are firming up around 2.9% per month across 14 months of tracked sales — fair value today, not a guaranteed investment.
Best deals
1106 of 2194 tracked sales (50%) closed at or under the $253.50 fair value.
- Jun 18, 2025$1.00$-252.50 / typical
- Aug 21, 2025$1.00$-252.50 / typical
- Mar 21, 2025$4.00$-249.50 / typical
- May 9, 2025$4.00$-249.50 / typical
- Mar 21, 2025$5.00$-248.50 / typical
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Technical Specifications
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Reviews
This is a great all-around lens. If you want to upgrade to something better than the stock lens, this is a great buy. Its pricey, because it's a 2.8, and while not an "L" Series lens, it still offers superb image quality within the standard focal length. I use it for long trips and generally for everything else, especially in the winter months when the lighting gets less than ideal. The motor is fast for focusing, and it seldom has any focus errors (i.e. focusing on the wrong point). I do believe it works better with the T6i than the T5, but its so much more responsive, than the kit lens. And it's got the lower focal length that the 28-135 doesn't, so you don't have to back up when your in too close. Amazingly enough this one is nearly similar to the 16-35mm IS II. I've owned both, and I kept this one, as paying 1300 for the same focal length with just a slightly faster focusing, doesn't really make a whole lot of sense, as their both 2.8's. Your really not going to be disappointed with this lens, over the 16-35mm costing 2.5x times as much.Read full review
Thank you guys from Red Tag camera I loved this lens, she throw her camera up! this lens is superated all my expectations high quality image sharp col Thank you guys from Red Tag camera I loved this lens, she throw her camera up! this lens is superated all my expectations high quality image sharp colors, brilliant, she changed complete my image quality! I very satisfied with my acquisition.
Happy client Delivery if the lens had me on tenter hooks, but eventually the parcel made it's way to my door. Luckily it was tracked; otherwise I'd have given up a month ago. Enough about logistics. It is a great lens. I've played around with it a bit and saw it is sharp enough to catch decent sharp images of my 3 year old playing with the camera. The only point worth noting; at wide openings the camera's in-built flash (77D) throws shadows on the photo due to the large lens diameter. An external flash solved this at wide angles. At longer focus lengths the in-built flash gave no shadows.
Frequently Asked Questions
What is the Cosinon 55mm f/2.8 (II)?
Cosinon 55mm f/2.8 (II) is a camera lens with 55mm focal length, a maximum aperture of f/2.8/22, for the M42 mount, supporting the Full frame format, weighing 155g.
What mount is the Cosinon 55mm f/2.8 (II) compatible with?
Cosinon 55mm f/2.8 (II) uses a M42 mount and supports the Full frame format.
How much does the Cosinon 55mm f/2.8 (II) cost?
Based on recent eBay sold listings the Cosinon 55mm f/2.8 (II) typically sells for around $1.00. Actual prices vary with condition and seller.
Is the Cosinon 55mm f/2.8 (II) a good lens?
Cosinon 55mm f/2.8 (II) has a community rating of 4.6/5 from 31 review(s).
Which lenses are similar to the Cosinon 55mm f/2.8 (II)?
Similar lenses include Carl Zeiss Ultron 50mm f/1.8 (Icarex 35), Isco-Gottingen Edixa ISCO-MAT 50mm f/1.9, Kern Macro-Switar 50mm f/1.9.