• 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

Process Ektachrome E4 in B&W chemistry?

half stop lighter er.jpg

A
half stop lighter er.jpg

  • jhw
  • Jan 12, 2026
  • 7
  • 4
  • 88
sentinels of the door

A
sentinels of the door

  • 4
  • 0
  • 81

Recent Classifieds

Forum statistics

Threads
201,715
Messages
2,828,953
Members
100,906
Latest member
wbrowne26
Recent bookmarks
0

Kevin Caulfield

Subscriber
Allowing Ads
Joined
Aug 3, 2004
Messages
3,845
Location
Melb, Australia
Format
Multi Format
My dad found an old roll of Ektachrome tungsten color slide film, EHB 135-20, which may or may not have even been exposed, as the leader was out. Is it worth trying to develop it in B&W developer, just to see if there are any images? I could process it myself in E6, but it may not be worth it.
 

Photo Engineer

Subscriber
Allowing Ads
Joined
Apr 19, 2005
Messages
29,018
Location
Rochester, NY
Format
Multi Format
E4 Ektachrome will not go through the E6 Ektachrome process at 100F, and at a lower temp may give poor results.

PE
 

Ray Rogers

Member
Allowing Ads
Joined
Aug 27, 2005
Messages
1,543
Location
Earth
Format
Multi Format
What about sending it through at the lower temp. of the E-4 chemistry?

Seems I tried it once... I can't rercall if I compensated by increasing the time or not but probably.

???

Ray
 
Last edited by a moderator:

railwayman3

Member
Allowing Ads
Joined
Apr 5, 2008
Messages
2,816
Format
35mm
(Apologies if you already know this). You could send it to one of the specialists in old processes, like Rocky Mountain, if you felt that it justified the extra cost.
My own view would be that it would be disappointing if there did prove to be some images of interest which were spoiled by incorrect processing?
 

Photo Engineer

Subscriber
Allowing Ads
Joined
Apr 19, 2005
Messages
29,018
Location
Rochester, NY
Format
Multi Format
If you use E6 at low temperature, the E4 film will still require a pre-hardener such as supplied by the E4 process. So, unless you want to run it at 68 deg F, it is not practical.

A B&W process will give you very orange foggy negatives, but it is doable. Rocy Mountain is a good suggestion.

PE
 

Nicholas Lindan

Advertiser
Advertiser
Joined
Sep 2, 2006
Messages
4,313
Location
Cleveland, Ohio
Format
Multi Format
may or may not have even been exposed, as the leader was out.

If the film was loaded in a camera then there may be a 'witness mark' on one of the first sprocket holes where the leader was loaded onto the take-up drum.

If the first holes are pristine there is a good chance the film was never 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