• Welcome to Photrio!
    Registration is fast and free. Join today to unlock search, see fewer ads, and access all forum features.
    Click here to sign up

What thread size these enlargers use on the lens board?

Street photo Nashville

A
Street photo Nashville

  • 2
  • 0
  • 54
Rome

H
Rome

  • 2
  • 2
  • 67

Recent Classifieds

Forum statistics

Threads
202,547
Messages
2,842,184
Members
101,375
Latest member
JoannaG
Recent bookmarks
0

MattAndre

Subscriber
Allowing Ads
Joined
Sep 13, 2024
Messages
6
Location
California
Format
Large Format
Durst M301 questions
I'm guessing smaller than 39mm, so the other question is; are there lensboards which fit these enlargers AND have a 39mm thread? Also, anyone know of a parts source for Durst enlargers? I got this one free but it's missing the bulb cover and the negative tray/carrier. Thanks in advance...
 
Durst flat lens boards/panels are named Lapla available in standard 25mm and 39mm thread sizes.
However, in order to print 35mm with a 50mm lens you'll need a recessed lens board.
Durst Siriopla and Siriotub should also fit.

It is possible to find or make 3d printed versions.
 
Last edited:
For parts, it will probably be easier and perhaps cheaper to find a second enlarger.
 
The manual for the M305 (not the M301) says this:
3.1.7 Lens panels
A flat lens panel (12) is supplied with the Durst M 305 to take 50 mm lenses with M39×26 tpi screw thread.
The following lens panels are available separately to order for the 35 mm and 28 mm lenses:
35 mm: NERIOTUB
28 mm: NERIOTUB
Here is that manual: http://www.jollinger.com/photo/cam-coll/manuals/enlargers/durst/Durst_M305.pdf
that link comes from the Jolllinger enlarger (and other things) manual page, found here: http://www.jollinger.com/photo/cam-coll/manuals/manuals.html
 
This is from the M601 which is the medium format version and had very similar production dates.
 

Attachments

  • Screenshot_20260302_193937_Firefox.jpg
    Screenshot_20260302_193937_Firefox.jpg
    258.5 KB · Views: 4
The most common size for enlarger lenses is M39, but I also have some in M25 & M42.
Each of these are far enough apart that they can easily be identified.
Enlargers usually have lens boards that allow multiple size lenses to be used.
 
Photrio.com contains affiliate links to products. We may receive a commission for purchases made through these links.
To read our full affiliate disclosure statement please click Here.

PHOTRIO PARTNERS EQUALLY FUNDING OUR COMMUNITY:



Ilford ADOX Freestyle Photographic Stearman Press Weldon Color Lab Blue Moon Camera & Machine
Top Bottom