Approve the Cookies
This website uses cookies to improve your user experience. By using this site, you agree to our use of cookies and our Privacy Policy.
OK
Forums  •   • New posts  •   • RTAT  •   • 'Best of'  •   • Gallery  •   • Gear
Guest
Forums  •   • New posts  •   • RTAT  •   • 'Best of'  •   • Gallery  •   • Gear
Register to forums    Log in

 
FORUMS Cameras, Lenses & Accessories Canon Lenses 
Thread started 23 May 2014 (Friday) 05:47
Search threadPrev/next
sponsored links (only for non-logged)

Fungus or antireflect coating peel off

 
Shift7
Member
90 posts
Likes: 4
Joined Apr 2011
     
May 23, 2014 05:47 |  #1

Hello,

I have one lens, which internal lens has some strange quite big spot. What it can be? Thanks.

IMAGE: http://mypic.lt/dt/OAB8/IMG_4365.jpg
IMAGE LINK: http://mypic.lt/pt/OAB​8/IMG_4365.html  (external link)

IMAGE: http://mypic.lt/dt/G33C/IMG_4359.jpg
IMAGE LINK: http://mypic.lt/pt/G33​C/IMG_4359.html  (external link)

BTW, this is Tamron 17-50 lens ...



  
  LOG IN TO REPLY
Ouessant
Senior Member
741 posts
Likes: 6
Joined Mar 2010
Location: Versailles, France
     
May 23, 2014 06:50 |  #2

Does not look like fungus to me.


François
flickr (external link)

  
  LOG IN TO REPLY
KirkS518
Goldmember
Avatar
3,983 posts
Likes: 24
Joined Apr 2012
Location: Central Gulf Coast, Flori-duh
     
May 23, 2014 08:17 |  #3

I agree, that's a coating issue.


If steroids are illegal for athletes, should PS be illegal for models?
Digital - 50D, 20D IR Conv, 9 Lenses from 8mm to 300mm
Analog - Mamiya RB67 Pro-SD, Canon A-1, Nikon F4S, YashicaMat 124G, Rollei 35S, QL17 GIII, Zeiss Ikon Ikoflex 1st Version, and and entire room full of lenses and other stuff

  
  LOG IN TO REPLY
Bmwzimmer
Mostly Lurking
10 posts
Joined Apr 2014
     
May 23, 2014 09:08 |  #4

Is the lens under warranty? Never seen this before


6D, Zenitar 16 f/2.8 Fisheye, Rokinon 14mm Cine, 35 f/2 IS, 85 f/1.2L mk2, 24-70 f/2.8L mk2, 70-200 2.8L IS mk1

  
  LOG IN TO REPLY
gjl711
Wait.. you can't unkill your own kill.
Avatar
57,730 posts
Likes: 4065
Joined Aug 2006
Location: Deep in the heart of Texas
     
May 23, 2014 09:13 |  #5

It's hard to tell as the image is quite small, but it looks like the coating is coming off. Lens fungus generally grows inside and looks more tendril like.


Not sure why, but call me JJ.
I used to hate math but then I realised decimals have a point.
.
::Flickr:: (external link)
::Gear::

  
  LOG IN TO REPLY
sponsored links (only for non-logged)

1,306 views & 0 likes for this thread, 5 members have posted to it.
Fungus or antireflect coating peel off
FORUMS Cameras, Lenses & Accessories Canon Lenses 
AAA
x 1600
y 1600

Jump to forum...   •  Rules   •  Forums   •  New posts   •  RTAT   •  'Best of'   •  Gallery   •  Gear   •  Reviews   •  Member list   •  Polls   •  Image rules   •  Search   •  Password reset   •  Home

Not a member yet?
Register to forums
Registered members may log in to forums and access all the features: full search, image upload, follow forums, own gear list and ratings, likes, more forums, private messaging, thread follow, notifications, own gallery, all settings, view hosted photos, own reviews, see more and do more... and all is free. Don't be a stranger - register now and start posting!


COOKIES DISCLAIMER: This website uses cookies to improve your user experience. By using this site, you agree to our use of cookies and to our privacy policy.
Privacy policy and cookie usage info.


POWERED BY AMASS forum software 2.58forum software
version 2.58 /
code and design
by Pekka Saarinen ©
for photography-on-the.net

Latest registered member is Sandro Bisotti
1611 guests, 159 members online
Simultaneous users record so far is 15,144, that happened on Nov 22, 2018

Photography-on-the.net Digital Photography Forums is the website for photographers and all who love great photos, camera and post processing techniques, gear talk, discussion and sharing. Professionals, hobbyists, newbies and those who don't even own a camera -- all are welcome regardless of skill, favourite brand, gear, gender or age. Registering and usage is free.