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Rokinon FE75MFT-B 7.5mm F3.5 UMC Fisheye Lens for Micro Four Thirds (Olympus PEN and Panasonic), Black
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- 180 degrees angle of view
- 9 elements in 7 groups
- Aperture range F3.5-22
- Minimum focusing distance of 0.295ft
- Approximately 1.9 inches long
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|Aperture Control Design||Includes aperture ring|
|Compatible Lens Hood Part Number||Built-in petal-type hood|
|Compatible Mountings||Micro Four Thirds|
|Item Dimensions||2.36 x 2.36 x 1.89 inches|
|Item Display Weight||2 pounds|
|Item Weight||0.43 pounds|
|Lens Type||Prime lens|
|Manufacturer Warranty Description||30 Days and Manufacturer|
|Maximum Focal Length||7.5|
|Maximum Format Size||FourThirds|
|Minimum Focal Length||7.5|
|Real Angle Of View||180 Degrees|
|Shipping Weight||0.66 pounds|
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This item Rokinon FE75MFT-B 7.5mm F3.5 UMC Fisheye Lens for Micro Four Thirds (Olympus PEN and Panasonic), Black
|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Photo Savings||Amazon.com||Amazon.com||Amazon.com|
|Compatible Camera Mount||Micro Four Thirds||Olympus/Panasonic Micro 4/3||Micro Four Thirds||Micro Four Thirds|
|Item Dimensions||2.36 x 1.89 x 2.36 in||2.8 x 2.3 x 2.8 in||2.48 x 1.02 x 2.48 in||2.24 x 1.97 x 2.24 in|
|Item Weight||6.95 ounces||0.6 lb||3.07 ounces||5.47 ounces|
|Lens Type||Prime lens||Wide-angle||Prime lens||Zoom lens|
|Maximum Focal Length||7.5||12||20 millimeters||18 millimeters|
|Minimum Focal Length||7.5||12||20 millimeters||9 millimeters|
|Photo Filter Thread Size||—||67 millimeters||46 millimeters||52 millimeters|
The NEW ROKINON 7.5mm Ultra Wide Angle Fisheye Lens is the most affordable Fisheye Lens in the market for Micro Four Thirds cameras. It features an extremely wide field of view, it is small and compact, and its build quality and optical construction are superb. The Rokinon 7.5mm Fisheye lens was ergonomically designed by Rokinon for a balanced and comfortable fit on Micro Four Thirds cameras. The lens exhibits exceptional sharpness and color rendition and is a perfect addition to your Micro Four Thirds lens assortment.
Top Customer Reviews
Don't let the lack of auto focus and automatic aperture control prevent you from buying this lens. It's pretty easy to use. You must use the lens in either manual or aperture priority mode and focus is very forgiving because of the large depth of field. Automatic and Program modes will not work with this lens. If you want to check focus, you can very easily use the zoom display function and then set the focus. To use this lens, you must set your camera to "Shoot Without Lens" before using this lens because there is no electrical connections between the camera and the lens and the camera will not know that it is attached. To set the f-stop, you use a aperture ring on the lens, just like in the days before fully automatic SLRs. I normally shoot in manual or aperture priority mode, and I really like having the aperture control on the lens instead of using a control on the camera body.
The size of this lens is perfect for the micro 4/3 system. It's not too big and it's not too small.
The lens is sharp even wide open and the build quality is excellent. Yes it produces a distorted image..its a fisheye, but distortions are corrected in Photoshop or Lightroom and it does not produce a black frame around the image like other fisheyes.
The Rokinon 7.5mm is great for video and HDR photos.
I did a side by side test with a friends Panasonic 8mm and the image quality is pretty similar. But I have to admit, the Panasonic is easier to use because of the auto focus.
This isn't the kind of lens you will use every day so the significantly lower cost than the Panasonic 8mm is much appreciated. No regrets on this purchase.
First, the image quality: At F/5.6 it is razor sharp all the way into the extreme corners, at F/3.5 (wide open) it is razor sharp across almost the entire frame and is showing just the tiniest bit of softness (only visible at 200% really) in the extreme corners. I have to say, when I opened my test shots in Lightroom my jaw just about dropped, I really did not expect performance this good. There is a bit of red/cyan lateral chromatic aberration. This was easily handled in Lightroom with the CA slider and any modern image editor should have a similar control.
Second, the build: It is a well constructed lens. Most of the body is high quality plastic. The mount and base of lens is metal (the silver part of the black lens) as is the red ring. The rest of the lens body is plastic. The lens cap is an effective latching design that holds itself by the hood petals. This is nicer than a friction fit design, but it does require orienting the lens cap when attaching. It is a surprisingly small lens. Check online reviews to get a feel for the relative size. The focus ring is nicely damped. The aperture ring has a good feel and distinct clicks. It is a very small lens, so it does require some care to not bump one ring while adjusting the other.
Third, the price: Fisheyes twice this price and twice the size often don't perform as well as this lens. Samyang/Rokinon has been making some impressive and reasonably priced lenses recently and this one should be near the top for value and performance.
Finally, some hopefully helpful details and clarifications.
This is an equal area projection fisheye lens, like most every fisheye on the market. Samyang does make a 8mm APS-C fisheye which is unusual in that it uses a stereographic projection. There was some confusion on the web as to the projection of this new 7.5mm when it came out, but I've tested and measured it and it is a equal area projection. Check the Wikipedia article on "Fisheye lens" for details on the different kinds of fisheye projections (mappings).
This is an entirely manual lens, manual aperture and manual focus. There are a number of such lenses appearing for the micro-four-thirds cameras, but if you are not familiar with using such a lens do your homework! Essentially you will control the aperture with a ring on the lens and you will always have to manual focus. On many cameras you'll have to enable a setting somewhere like "shoot without lens" to let the camera know you are using a lens that has no electrical connection to the camera. For a fisheye this is not a big deal, you rarely focus the lens as the depth of field is so large. Manual focus is also quite easy on most micro-four-thirds cameras as you can zoom in liveview to check focus.
At the risk of stating the obvious - this is a 180 degree fisheye lens which makes it a "specialty" lens. You might find it odd to use and the novelty may wear off over time. However, there is another way to use this lens. Using software (both free and for purchase) you can "de-fish" the lens by applying a transform to the images you take with it. You can make it look like a 7.5mm recti-linear lens. As this lens is very sharp it actually works really well. You can find many examples of people doing this on the web. One issue, it becomes a bit hard to compose when doing this - a lot of what you see in the viewfinder will be clipped once you "de-fish" the image in post processing.
Bottom line, if you've ever wanted a fisheye lens and you own a micro-four-thirds camera this is the lens to get!
My Panasonic G1 and G2 cameras even can make good use of electronic flash indoors with this fisheye lens, under certain circumstances. Obviously no accessory flash unit will actually cover 180 degrees corner to corner to match the fisheye lens, but when shooting the length of my living room with a Nissin Di466 flash unit made for Four Thirds cameras, which has a zoom head that will cover lenses as short as 12mm, enough light bounces around from the off-white walls and ceiling to provide pretty good overall exposure, just some darkening in the extreme corners.
Some have complained about the difficulty of focusing this manual-focus lens. In fact this is a non-issue, since the depth of field is so enormous, even wide open, that focusing can simply be ignored. Leave it set at infinity, or just slightly "cracked" from the infinity setting, and you will be fine in practically all ordinary circumstances. In the Micro Four Thirds format, the depth of field of a 7.5mm lens at f/3.5 set at infinity is 3.55 ft to infinity. Stopped down to f/5.6, depth of field is 2.17 ft to infinity. Does anyone need a greater range of sharpness than that?
The Rokinon 7.5mm fisheye does focus of course; it focuses down to 0.08 meters, a bit closer than 0.3 feet. That is actually closer than it probably sounds to most people, since focus distance is measured in the traditional and correct way -- from subject to focal plane, not subject to lens. At closest focusing distance the subject is about a couple of inches in front of the lens. Really, the whole notion of focusing is rather whimsical with this lens anyway, except I suppose in some unusual circumstances that I can't even imagine. For most users just leaving the focus at or very, very close to infinity will be the best thing to do in most ordinary usage. Trying to improve sharpness by fiddling with the focus ring is unlikely to improve anything and may make things less sharp. Consider -- the marked distance next to infinity on the focus ring is 0.25 ft. But at that distance setting and f/5.6 for example, calculated depth of field is only 0.23 ft to 0.28 ft. It would be nice if there were a mark for hyperfocal distance at some useful aperture, but again, such a mark would be very, very close to the infinity mark.
Everything about the Rokinon bespeaks quality. Construction feels very solid and the finish is great. Focus and aperture rings turn smoothly but with plenty of damping so they won't be accidentally moved off chosen settings. Sharpness is simply superb from edge to edge. This isn't just the opinion of myself and other users; the German lens testing site photozone.de using sophisticated modulation transfer function testing equipment gives the Rokinon very high marks.
I love fisheyes and have had one for every complete camera system I've owned since about 1975. This Rokinon is by far the least expensive one I've owned, but I have as much confidence in it as I've had for any of the others.
Most Recent Customer Reviews
If you want a full frame fish eye and don't need an ultra fast maximum aperture,...Read more