aljudy
Senior Member
Hmmm... why are you reading and replying in this thread then?
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So you think that the Oly 12-40 is built of metal?
- Thread starter Rick_Hunter
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exdeejjjaaaa
Veteran Member
multiple personality ...
RealPancho
Senior Member
I am a man of mystery.
Where did your "40-150" made of metal thread go? Did you withdraw or it, or…..?
Rick_Hunter
Senior Member
just a question
I know they look "black" but they could be black metal
Leica lenses are all black coated metal internally to reduce flare but there is alot of metal there (shiny shiny)
Leica
Nikon 14-24mm
Sony Alpha lens
Canon EOS-M kit zoom
Olympus Zuiko 14-54mm
If you see the Zuiko lens is also metal to plastic, I think this is quite common
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harold.co.il
This is interesting... What does this tell us?
Leica lenses even if small (and therefore unlikely to transmit great forces to the lens mount) are all made of metal in pursue of the highest build quality possible (and this is reflected in their price)
Nikon professional lenses are mostly made of metal, at least all of the structural parts of the lens are made of metal.
Older olympus kit lenses (14-42) were made with a mix of metal and plastics (looks like the helicoids are made of metal on metal)
Nowadays Olympus PRO lenses are fully made of plastic but claimed to be all metallic, therefore they are made with a thin metal layer on the outside so that they look like metal. What a pity.
And... the day I will see a (reliable) engine block or gun barrel made from plastics/composites will be the day I'll change my mind about plastics/composites for certain applications.
harold1968
Senior Member
the downside is that the 12-40mm takes amazing pictures ....
if it keeps the tight tolerances it has over time then maybe
I will revert in a year
Hi guys!
I just wanted to tell you that a third lens now have broken, I just found out at http://www.43rumors.com/a-little-bit-of-everything-265/ and when I read the comments there, the first guy to comment had posted a picture of his broken mount with the broken plastic seats for the screws.
Yes, I´m that guy Stefan who posted pictures in this thread. I'm sorry because the optical quality of my lens was insanely good compared to what I got from the kitlens on the EM-5. If Olympus "came out" and did a similar public statement like they did with the screen on EM-5 and fixed this designflaw, I would be the first in line to buy the revised edition!
I have sold off my Canongear, a 5D MkII with a good many lenses, both L and ordinary. I went "all in" with Olympus after I had owned the EM-5 for six months and I now have a good selection of glass and an EM-1 just replaced the EM-5 which I sold. Again, soory! I know you don´t want to hear this.
Regards
Stefan
I just wanted to tell you that a third lens now have broken, I just found out at http://www.43rumors.com/a-little-bit-of-everything-265/ and when I read the comments there, the first guy to comment had posted a picture of his broken mount with the broken plastic seats for the screws.
Yes, I´m that guy Stefan who posted pictures in this thread. I'm sorry because the optical quality of my lens was insanely good compared to what I got from the kitlens on the EM-5. If Olympus "came out" and did a similar public statement like they did with the screen on EM-5 and fixed this designflaw, I would be the first in line to buy the revised edition!
I have sold off my Canongear, a 5D MkII with a good many lenses, both L and ordinary. I went "all in" with Olympus after I had owned the EM-5 for six months and I now have a good selection of glass and an EM-1 just replaced the EM-5 which I sold. Again, soory! I know you don´t want to hear this.
Regards
Stefan
Hi Stefan,
Thank you for posting. I'm really sorry about what happenend to you. I read that you contacted Olympus about your problem. They should really replace your lens.
It's difficult to say now if the lens is cheaply built or if it's only some lenses that have some defect. This third case is worrying, though this user didn't provide any details about how it broke.
Anyway, I strongly believe that you should ask to Olympus to replace your lens, and that they have to do it! It's not normal that a pro called lens break that easily.
Thanks for posting and good luck!
Johannes O
Member
Where is this "double like" button?
TheEye
Senior Member
I guess diving watches and submarines should really be made from plastic.
Weather-sealing gasket materials (Buna-N, silicone, etc) are flexible, and thermal expansion/contraction does not affect a properly designed seal. We are not talking about semi-metallic or metallic head or exhaust gaskets, which by the way, do seal quite well despite thermal expansion. Don't get me started on polyperse wax gaskets.
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AndyW17
Leading Member
Well, disaster struck a friend of mine. he bought this lens for his OMD EM5. The lens was on the camera. The camera/lens were in a case. The case got dropped about 3 feet.
The result: The lens separated from the ring mount, when the screws ripped out of the plastic body of the lens.
This is NOT pro-level construction in my book.
The result: The lens separated from the ring mount, when the screws ripped out of the plastic body of the lens.
This is NOT pro-level construction in my book.
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