Fisheye Body Cap Lens 9mm BCL-0980 (Black)

SKU# V325040BW000-410


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As creative as a body cap can get; It appears to be a protective body cap for your micro four-thirds camera, but this body cap also doubles as a fisheye lens with an 35mm equivalent focal length of 18mm. Item number: V325040BW000.

Mount Standard Micro Four Thirds System Standard
Focal Length [35mm Equivalent Focal Length] 9mm [18mm]
Lens Construction 5 elements in 4 Groups, 2 Aspherical lenses
Dust, Splash Proof, Freezeproof No
Angle of View 140 Degree
AF System None, Manual Focus Only
Zoom Mechanism None
Closest Focusing Distance 7.87" 
Maximum Image Magnification 0.046x 
[35mm Equivalent Max. Image Magnification] [0.092x]
Minimum Field Size NA
Number of Blades 1
Maximum Aperture F8.0
Minimum Aperture F8.0
Filter Size NA
Dimensions Diameter 2.2" x .5"
Weight 1.05oz.
Box Contents Lens Rear Cap (LR-2),  Instruction Manual,  
*Specifications and design are subject to change without notice.

Review Summary for the Fisheye Body Cap Lens 9mm BCL-0980 (Black)






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Customer Reviews of the Fisheye Body Cap Lens 9mm BCL-0980 (Black)

January 27, 2016


Better than the 15mm body cap lens

WAY better than the 15mm body cap lens. I hate fish-eye lenses and would not pay for one if my life depended on it.
However, you bundle fish-eye with a body cap and you have a happy customer in me.
It is fastly superior to the 15mm body cap lens at $50. Is this lens worth the $125 price tag? Maybe wait for a sale. If you are on a budget and you need a fish-eye this is the way to go. Much better than shelling out $1000 for a fisheye lens.

January 21, 2016


Small Lens Very Useful

Like the 140 degree format. Only fixed f/8 but works great in good light. Even have goo night images from it when I can shoot a slow shutter speed. A sleeper lens. I keep it on my PM2 or PL/7 when I want to pocket the camera for a long walk or a hike. I carry the 17 f/2.8 or 14-42 in pocket, add the 40-150 if I take a vest and have everything I need. Such a small package with this lens. Fisheye images are so much fun! Image quality is better than expected and center is very sharp. Not cheap for a little fixed f/8 body cap lens but still only $100 and worth it for the fun you can have with it. I have a 7.5mm fish eye - a full 180 degree f/3.5-f/16 lens but its much bigger and heavier. I take it with me when I have a case but for light duty walking around this 9mm fisheye is great!

October 13, 2015


Exceptional value Fisheye

An economical may to get a fisheye lens. It compliments my 12-40 F2.8 PRO that I use as my primary lens. The F8 aperture is not an issue as the lens would would have been stopped down for depth of field if I were using a super wide zoom. There is only minimal barrel distortion, less than I expected at the cost of the lens.

I did not find the opening mechanism a problem as there is an indent that allows almost infinite depth of field

The camera and lens are now compact enough to fit in a pocket. It will be perfect for street shooting in travel situations where it is unwise to advertise an expensive camera and still get better than point and shoot quality.

April 10, 2015


Adding Metadata in Lightroom

This is a fun little lens. The only downside to the 9mm body cap lens is that photos taken with it will not have any lens metadata in them, as there’s no electronics in the lens and therefore the camera doesn’t know what lens is attached. Fortunately, it’s possible to add lens information, which can be useful when sorting or searching photos. There are a few ways to do this. I tried using exiftool and the LensTagger plugin, but couldn’t get either to work.

What worked was to create a XMP file for each photo, save it in the same location as the photos, and then import them into Lightroom. The lens information is saved in Lightroom’s database, and in a sidecar XMP file if you have that option enabled in Lightroom or use the “Save Metadata to File” command. The advantage of this approach is that the metadata is not written into the original RAW file, avoiding the potential of corrupting the file.

The XMP file that I created contains the following:

<?xml version="1.0" encoding="UTF-8"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/">
<rdf:RDF xmlns:rdf="">
<rdf:Description rdf:about="" xmlns:exif="">
<rdf:Description rdf:about="" xmlns:aux="">
<aux:Lens>OLYMPUS 9mm F8.0</aux:Lens>

Note that the ApertureValue of 6 converts to an F-stop of 8.0. There is a similar MaxApertureValue field, but I could not get Lightroom to read the information correctly, so I didn’t include it in the XMP file (Lightroom will record the maximum aperture value as 0/256 in the XMP file and display it as an F-stop of 1.0). As for the name of the lens, I used the same format that Olympus uses for their other Micro 4/3 lenses, but I left out the “M.” as it’s not an M.Zuiko lens.

The XMP file must be saved as a plain text file with the same name as the photo, and the extension XMP. Creating multiple versions of the same file is relatively easy in Mac OS X (I have no idea about Windows). I press Command-D to duplicate the file, and keep pressing it until I have as many XMP files as I need, then I bulk rename them to match the RAW file names (which are usually in sequence).

April 04, 2015


A cute little lens

Easily opened in error in your bag and completely manual but, for little money, size and weight, it's a fun lens to have.

June 24, 2014


Cute cap lens

The fisheye cap lens is a cute little addition. It's not a real micro 4/3 lens in the sense that it does not connect to the camera's electronics. It's simply a cap with a non-trivial but manually-operated lens. The switch to open and close the lens is a little primitive, and can be easily bumped open if you have you're storing your camera loosely in a bag. But I find the lens quite useful in many fun situations where one may not want or need a very sophisticated lens, like say, chasing my boy around at the beach.

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