I got my new lens today Canon 8-15mm F4 L USM Fisheye recently.

First impression when I get the lens is it has a solid built. Upon testing a few shots, I quickly notice the USM feature on the lens which has a fast and quite focusing as compared to my Tokina Fisheye.

#1

 

#2

 

#3 - The lens come with a cover and a removable hood

 

#4 - Comparing with the Tokina 10-17mm Fisheye lens I have. The Canon has a much bigger front element and slightly heavier.

 

#5 - No more date code ! This is a good thing for seller, but bad thing for buyer. You can only check the serial number against the manufacturer to get the date of the lens being manufactured.

 

#6 - (Click on image below for 100% uncrop photo) 8mm on a full frame in this case on my Canon 5D Mark II will give you a circular fisheye view. You need to remove the hood to get a full round.

Aperture: F4, ISO: 640, Shutter speed: 1/50s

 

#7 - (Click on image below for 100% uncrop photo) at 15mm on a full frame Canon 5D Mark II will give you a wide fisheye without vignet. On the uncropped image you can see that the lens is able to capture the details even at the side of the lens at wide open !

Aperture: F4, ISO: 640, Shutter speed: 1/60s

Wishlist:

1) some sort of protection for the front element will be great as it's huge and exposed. Filter will be out of the question as you will definitely see vignet.

2) the lens cap doesn't attached that firm and easily come out. Came out a couple of times when I took out my camera with the fisheye attached from my bag.

3) You need to attach the cap to the lens at a certain location else it won't fit in. Well if there is not going to be any protection for the front element, then best way is to use the cap, and I personally think the cap should be made more easily put in and get off.

4) Date code? I still fancy having date code on my lens as I'm a forgetful person and the date code will easily remind me the age of the lens.

 

Coming up next, I'll be doing a side by side comparison with the Tokina 10-17mm fisheye I have on both a full frame Canon 5D Mark II and a crop body Canon 7D ! Stay tune

 

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How to clean fungus inside a lens

Posted on September 1, 2008 17:59 by VincentPang

Fungus can grow inside a lens if it has moisture being left there for a long time. However, fungus can easily be killed if they got expose to sunlight. That said, you should use your lens regularly (every week) and rest assure you shouldn't have fungus. Shoot an object a day, keep the fungus away ! hahaha

Unluckily, one of the lens my brother own has fungus in it and I have decided to give it a try to remove it.

I shall warn you DO NOT FOLLOW WHAT I WILL SHOW YOU BELOW. DO NOT ! DO IT AT YOUR OWN RISK !

The problem.
This is how fungus looks like on my brother's Konica Minolta 75-300mm f4.5-5.6

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