Jump to content

What is this? Should I run like hell?

rokphish

By rokphish
in Adapting lenses to Fuji X

 Share

Recommended Posts

milandro Grand Master

milandro

Posted
Posted (edited)

It looks like that you can take that metal element out by unscrewing 3 screws. I don’t think there is anything more complicated than that!

 

It should then be easy to clean although the pattern looks like it is almost something intentional ( i can see a smudge where you probably have tried to clean the metal retainer) but it is impossible that it would have been purposely done when new.

 

Is this a Minolta 135mm MD f2.8 or thereabouts? They are not special lenses but should be good and frankly speaking given their relatively small value there is nothing wrong in attempting to clean it, you won’t be losing much even if you were to damage the lens.

 

Other than that, this is not a type of fungus which could infect your camera and other lenses and it would be harmless, I think.

 

If the metal is, as I think, aluminum, it has to be a reaction to some agent producing aluminum oxide crystals.

 

Remove them and then apply a coat of black spray mat paint.

 

http://www.howtocleanthings.com/surfaces/how-to-clean-aluminum/

Edited by milandro
Link to post
Share on other sites
  • 1 month later...
mdm Experienced

mdm

Posted
Posted

Is this a Minolta 135mm MD f2.8 or thereabouts? They are not special lenses but should be good and frankly speaking given their relatively small value there is nothing wrong in attempting to clean it, you won’t be losing much even if you were to damage the lens.

 

 

Sorry for off topic but I need an advice.

 

Milandro, I'm pretty sure you have a big deal of experience with old Minolta lenses, so could you please suggest me what may I add to my recently purchased Minolta X-700 equipped with 50mm 1.4. I'd like to add some lens in wide and tele department. I've heard it's better to avoid MD III series and get older Rokkor ones. What can you say?

Link to post
Share on other sites
addicted2light Collaborator

addicted2light

Posted
Posted

Sorry for off topic but I need an advice.

 

Milandro, I'm pretty sure you have a big deal of experience with old Minolta lenses, so could you please suggest me what may I add to my recently purchased Minolta X-700 equipped with 50mm 1.4. I'd like to add some lens in wide and tele department. I've heard it's better to avoid MD III series and get older Rokkor ones. What can you say?

 

 

You might find this helpful:

 

http://artaphot.ch/minolta-sr/objektiv-vergleiche

 

This guy tested old Minolta lenses on Sony full frame bodies and against modern glass like the latest A and E mount offering.

 

It is mostly in German (use Google Translate), but often the images really speak for themselves.

 

On a side note, I like quite a bit my Minolta MC 24/2.8 (old version, not the new one with the 49mm filter size) and the 105/2.5 MD (latest version).

Link to post
Share on other sites
pranfeuri Apprentice

pranfeuri

Posted
Posted (edited)

Could be someone tried to clean the back element with a caustic (glass cleaner with an additive?) and that etched the metal. You may never know how much that effected the rest of the lens without a tear down.

 

Sent from my Pixel XL using Tapatalk

I have an 135mm Minolta lens that has just the same problem and it's never been cleaned with anything.

Edited by pranfeuri
Link to post
Share on other sites
Aswald Mentor

Aswald

Posted
Posted (edited)

The rest of the lens looks pristine, body and glasses.

e76c70247cbad291fd0bbf9d0c9af056.jpg

 

Just remove the screws, take the cover out and wash it with water and a good toothbrush. Use a good multipurpose cleaning agent, rinse clean, dry (under the sun for a good dose of uv) and replace. Chances are It won't come back again.

Edited by Aswald
Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
 Share
Go to topic listing

  • Similar Content

  • Posts

    • LauzunLee
      X100V - How to retain menu position?

      By LauzunLee · Posted

      Is there a way to keep your menu selection on the last option you used? For example.  When I select MENU the cursor defaults to MY Menu.  I scroll up to IQ settings, make a change, and return to shooting. When I press the MENU button again the cursor is back to MY Menu.  I really want it to stay on the IQ setting I was last using (or any other Menu setting). It's a PITA to keep scrolling up and down, back to the previous setting.  (Note.  My Canon Menu retains the position of the last option I was using). Thanks in advance for any help.
    • jerryy
      Sunset

      By jerryy · Posted

      Welcome, dear visitor! As registered member you'd see an image here…

      Simply register for free here – We are always happy to welcome new members!

    • Tomek666
      Photos on Angelbird AV Pro SX 160GB vs SE 512GB

      By Tomek666 · Posted

      Im not partal to any brad, just opted to try these based on apparent price / performance.  I'm always looking for best bang per buck, hence Fuji I guess - haha Reliabilty does not concern me, as I always shoot to two cards for pro work (and burst shooting is not a part of that). Made sense for me to get the cheapest / fastest CF cards for hobby shooting.     I just got a Sabrent Rocket V60 512GB cheep (as the back-up card).   As long as neither of these freeze the camera I hope its a cheep solution for my needs. (AB AV Pro SE 512Gb and Sabrent Rocket V60 512GB).  Half a gig of redunat storge for $200USD is something I can live with. (Especially considering I can bust the hell out of the Anglebird). Cheers, Tomek
    • Tomek666
      Charing battery inside the X-H2 over USB

      By Tomek666 · Posted

      Would using an external charger be of benefit to the batteries life? I appreace it can be faster, but I doin't mind pluging in the camera over USB to charge. Does charging via the camera do as good a job as lets say the fuji's own external charger? Does the camera stop charging once the battry is full and not over charge? I couldn't find these deatails in these forums or in the manual. Thank you!   Image below shot on X-T2 in a sunny studio.  

      Welcome, dear visitor! As registered member you'd see an image here…

      Simply register for free here – We are always happy to welcome new members!

    • jerryy
      How to turn OFF the wifi antenna

      By jerryy · Posted

      It is really easy to find out if the wifi is on. Your computer or tablet or cell phone will have a network settings dealing with wifi, bluetooth, ethernet or “other”. Open that up and go into the section for wifi, and take note of which networks are listed. Turn on the camera and keep watching the list of networks. If your camera’s wifi is turned on, a new network should suddenly show up in your computer/tablet/phone’s network listings. Now go into the camera’s menus and start a wireless connection (the x-app or camera remote app can help you with this). You should see a network show up now. It is not hidden because it has to be visible so that your computer/tablet/phone can join the camera’s network to transfer images. Turn the camera off and that network should disappear. Turn the camera back on and see what happens.
×
×
  • Create New...