Gadgets and Apps

Cheapest M43 Ultra Wide Angle Lens

Cheap UWA Option for Micro Four Thirds Cameras

This is a solution for those who want to take wide angle photos and videos without spending a thousand dollars on an expensive Olympus or Panasonic lens. The lens is the Panasonic 12-32mm f3.5-5.6 with the Ricoh DW-6 wide angle converter attached. This gives you a focal length of 9.5mm (12mm x 0.79).

The image above shows the combination at 9.5mm (f9). The inset image is the 12-32mm at 12mm (f3.5). With the converter attached to the lens it is best to stop the aperture down a little, although f9 was probably too much- f5.6 or f8 would have been better. As you can see the field of view is significantly wider compared to the lens alone at 12mm.

Update 26th March 2018: After re-testing the ultrawide combo I have found that diffraction kicks in at f9 and before. Therefore, I would like to change my original recommendation to f5.6 or f7.1 for the optimal aperture setting when using the wide adaptor with the wide angle zoom lens.

Also, when using the 12-32mm alone stopping it down a little to f4-5.6 is better than at f3.5. These are based on lens tests indoors, whereas the tests on this page were for objects much farther away.

I have also recently acquired the Olympus 9mm f8 body cap lens. It is surprisingly sharp and fun to use. However, when you de-fish images they are not as sharp as the Ricoh Panasonic cheap UWA option.

Sorry, no images to share as I didn’t want it to eat up too much time, but de-fishing the 9mm fisheye resulted in a slightly wider field of view compared to the 9.5mm, as expected. However, the image was noticeable less sharp, especially at the edges and there is noticeable CA (chromatic aberration). Plus getting a fisheye lens properly de-fished is not easy for someone like me who hasn’t tried before. I tried 2 fisheye softwares and neither completely fixed the distortion.

Therefore as of Spring 2018, my option is still the best value ultra wide angle lens for Micro Four Thirds camera, if you already have the 12-32mm zoom. Do keep an eye out for the SLR Magic 8mm though, as it’s price has been fluctuating between $149 and $349. At $149 it provides a solid alternative, but reviews suggest you may have to send it back for a decent copy. Today it is $149, so I would certainly give it a try if I was in a country which allowed returns, such as the USA.

This combo cost me Read more

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Asus Zenfone 4 review white back

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Cherry Mobile Titan TV Review

iPhone 4 vs Titan TV

Here in the Philippines the Cherry Mobile Titan TV is hot news at the moment. There aren’t many reviews online so I thought I would chime in with a review of the TTV. Before I start I want to make it clear that I am not a tech blogger and certainly no expert when it comes to phones and tablets. So this is more of an amateur review. There are one or two more thorough reviews online which look at all aspects of the device. Read more