E Dinkla

Lives in Netherlands Netherlands
Works as a Printer
Joined on Mar 30, 2009

E Dinkla's recent activity

  • The finer thread helps in adjusting the infinity setting. Half (if possible) or a complete extra turn in the assembly of the lens allows way smaller steps in adjustment than the main helicoid ...
  • The bellows approach is the one I have in mind too. The FD mount on both sides of an old third party bellows I removed already. The lens side opening is already larger than the usual 42.5 mm ...
  • Replied in Almost square
    EF 24mm 2.8 at 5.6  PPed OM 50mm 1. 4  at 5.6 PPed Met vriendelijke groet, Ernst No photographer's gear list is complete without the printer mentioned !
  • Replied in 100%crops
    The Kenko 1.4x tele converter that I tried with an Olympus OM 50mm 1.4 did not deliver compared to the crop on an image made without the Kenko. Combined with Minolta MD 200mm 4.0 it looks like it ...
  • The Mamiya Sekor CS lenses I hunted for are for the 35mm film SLRs of Mamiya. NC1000 and NC1000s. Bayonet type. The first one I got is a 35mm 2.8. I saw some resemblance in tests results with the ...
  • Created discussion thread Slightly Off Topic
    Ikea, photo space with some oldies, I wondered whether an interesting lens was among them, someone else, less civilized, must have seen one. Association of analog camera aficionados but then in, ...
  • Wide open the OM 28mm 3.5 will not have that FF resolution. At 8.0 it competes with more expensive WA's. At least according this article and he usually has been right for the lenses I shared the ...
  • It does not flow in Dutch at all. There are a few Hakuhor lens types, tele extender etc but a brand it isn't. Far East sound to that name. I think the lens is assembled with parts from different ...
  • I find that hard to believe Register distance is 18mm and the rear lens elements are close enough to the rear so the 46mm register distance of the OM lenses is in no way present. One AA element and ...
  • As long as the eyepiece of an optical instrument is not radioactive I would not worry about it.  The OM 50mm 1.4 that I have has a serial number over 600K so I guess the 3 version. Without a ...
  • it could use a more elegant adaption The typical folded edge guidance. Edit: Someone else has been intrigued by that design; http://forum.mflenses.com/mistery-lenses-collection-t23606.html ...
  • Yes, I can imagine that. Repaired the lens yesterday though. Oil/grease became glue on the blades, lens had that throughout the internal parts. Lighter fluid dip for the parts without silkscreened ...
  • The Olympus OM 50 mm 1.4 is one of my favorite lenses though. Aperture reported in the EXIF here is not correct, I usually go for 4.0 or 5.6 with images like this one. Both about equal on optimal ...
  • http://coinimaging.com/hall_of_fame.html? Select the 0.5x magnification and the Nikon 55mm 2.8 + Sigma 50mm 2.8 will be within your budget. The last will not have a manual aperture on some mounts . ...
  • Several in this this group that resemble it. The Hakuhor has a 15 blades aperture and a 46mm filter thread. Dissected now I see that the aperture is the weak spot of the lens. Pivot of each blade ...
  • Created discussion thread Hakuhor 135mm 3.5 T2 mount
    Someone familiar with that lens? Early 1960's. Bycatch in a Topcor lens deal. Searched the web but this must have been a very small shop they came from or from a better known manufacturer but with ...
  • Yes, there could be. However Google books already has several copies of MP and PP magazines. An interesting discussion here with a source for the graphics we could use. And magazines older than ...
  • We could make a database if everyone made copies of the magazines they still have. Test graphics only. Google has scans of several PP and MP magazines, I added the graphics to the magazine copies ...
  • I bought one recently for 10 Euro. Filter thread damaged though but now repaired. Still have to convert it to EF mount. There are CY EOS adapters but conversion does not look to be difficult and ...
  • A good advice if the lenses are compatible enough. Like ProfHankD mentions, one lens might cope, the next one not. I bought a Kenko Teleplus 1.4x EF mount to try it on all my EF mount lenses; ...
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