rolllog

HARMAN technology · also Delta 400

Ilford Delta 400 Professional

ISO 400 black-and-white negative

ISO 400 professional black-and-white film with fine grain for its speed, usable from EI 200 to EI 3200 with adjusted development.

Type
Black-and-white negative
Box speed
ISO 400/27°
Process
B&W
Formats
120, 135
Base
acetate
DX coded
yes
Status
in production
Source document
DELTA 400 PROFESSIONAL Technical Information, rev. 2018-11

Exposure

LightFilterEI / adjust
Daylightnone400

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Reciprocity

No correction needed from 1/10,000 s to 1/2 s.

Corrected time: Ta = Tm^1.41

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Processing

  • B&WNormal
  • B&WPull 0.33 — EI 320: see development times for this EI.
  • B&WPush 0.33 — EI 500: see development times for this EI.
  • B&WPull 0.67 — EI 250: see development times for this EI.
  • B&WPull 1 — EI 200: see development times for this EI.
  • B&WPush 1 — EI 800: see development times for this EI.
  • B&WPush 2 — EI 1600: see development times for this EI.
  • B&WPush 3 — EI 3200: see development times for this EI.

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Development times 148

Acufine 6 · EI 200, 400, 500, 800, 1600
DilutionEI°CAgitationTime
stock20020intermittent7:00
stock20024intermittent4:30
stock40020intermittent9:00
stock50020intermittent11:00
stock80020intermittent13:00
stock160020intermittent16:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Agfa Rodinal 6 · EI 200, 400
DilutionEI°CAgitationTime
1+2520020intermittent6:00
1+2520024intermittent5:00
1+5020020intermittent11:30
1+5020024intermittent9:30
1+2540020intermittent9:00
1+5040020intermittent20:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

ILFORD ID-11 12 · EI 200, 400, 800, 1600, 3200
DilutionEI°CAgitationTime
1+120020intermittent10:00
1+120024intermittent8:00
1+320020intermittent18:00
1+320024intermittent14:00
stock20020intermittent7:00
stock20024intermittent5:30
1+140020intermittent14:00
stock40020intermittent9:30
1+180020intermittent17:30
stock80020intermittent11:30
stock160020intermittent14:30
stock320020intermittent19:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

ILFORD ILFOSOL 3 8 · EI 200, 400, 800
DilutionEI°CAgitationTime
1+1420020intermittent8:00
1+1420024intermittent6:00
1+920020intermittent5:30
1+920024intermittent4:30
1+1440020intermittent12:00
1+940020intermittent7:00
1+1480020intermittent20:30
1+980020intermittent14:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

ILFORD ILFOTEC DD 1 · EI 200
DilutionEI°CAgitationTime
1+420024machine dip and dunk6:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

ILFORD ILFOTEC DD-X 7 · EI 200, 400, 500, 800, 1600, 3200
DilutionEI°CAgitationTime
1+420020intermittent6:00
1+420024intermittent4:30
1+440020intermittent8:00
1+450020intermittent9:30
1+480020intermittent10:30
1+4160020intermittent13:30
1+4320020intermittent18:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

ILFORD ILFOTEC HC 9 · EI 200, 320, 400, 800, 1600, 3200
DilutionEI°CAgitationTime
1+3120020intermittent5:00
1+3120024intermittent4:00
1+1532020intermittent4:00
1+3140020intermittent7:30
1+1580020intermittent5:30
1+3180020intermittent10:00
1+15160020intermittent7:30
1+31160020intermittent13:30
1+15320020intermittent13:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

ILFORD ILFOTEC LC29 13 · EI 200, 320, 400, 800, 1600, 3200
DilutionEI°CAgitationTime
1+1920020intermittent5:00
1+1920024intermittent4:00
1+2920020intermittent8:30
1+2920024intermittent5:30
1+932020intermittent4:00
1+1940020intermittent7:30
1+2940020intermittent11:30
1+1980020intermittent10:00
1+2980020intermittent17:00
1+980020intermittent5:30
1+19160020intermittent13:30
1+9160020intermittent7:30
1+9320020intermittent13:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

ILFORD ILFOTEC RT RAPID 2 · EI 200
DilutionEI°CAgitationTime
1+1+220026machine roller transport0:55
1+1+520026machine roller transport1:05

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

ILFORD MICROPHEN 15 · EI 200, 400, 500, 800, 1600, 3200
DilutionEI°CAgitationTime
1+120020intermittent8:30
1+120024intermittent7:00
1+320020intermittent16:00
1+320024intermittent11:30
stock20020intermittent5:00
stock20024intermittent4:00
1+140020intermittent11:30
stock40020intermittent6:30
1+150020intermittent13:30
stock50020intermittent7:30
1+180020intermittent15:30
stock80020intermittent8:30
1+1160020intermittent19:00
stock160020intermittent10:30
stock320020intermittent14:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

ILFORD PERCEPTOL 11 · EI 200, 250, 320
DilutionEI°CAgitationTime
1+120020intermittent12:30
1+120024intermittent9:00
1+320020intermittent18:30
1+320024intermittent14:30
stock20020intermittent10:00
stock20024intermittent7:00
stock25020intermittent12:00
stock25024intermittent9:00
1+132020intermittent15:30
1+132024intermittent11:30
1+332024intermittent17:30

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Kodak D-76 12 · EI 200, 400, 800, 1600, 3200
DilutionEI°CAgitationTime
1+120020intermittent10:00
1+120024intermittent8:00
1+320020intermittent18:00
1+320024intermittent14:00
stock20020intermittent7:00
stock20024intermittent5:30
1+140020intermittent14:00
stock40020intermittent9:30
1+180020intermittent17:30
stock80020intermittent11:30
stock160020intermittent14:30
stock320020intermittent19:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Kodak HC-110 9 · EI 200, 320, 400, 800, 1600, 3200
DilutionEI°CAgitationTime
B20020intermittent5:00
B20024intermittent4:00
A32020intermittent4:00
B40020intermittent7:30
A80020intermittent5:30
B80020intermittent10:00
A160020intermittent7:30
B160020intermittent13:30
A320020intermittent13:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Kodak T-Max 7 · EI 200, 400, 500, 800, 1600, 3200
DilutionEI°CAgitationTime
1+420020intermittent5:00
1+420024intermittent4:00
1+440020intermittent6:30
1+450020intermittent7:00
1+480020intermittent8:30
1+4160020intermittent10:30
1+4320020intermittent13:30

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Kodak Xtol 14 · EI 200, 400, 500, 800, 1600, 3200
DilutionEI°CAgitationTime
1+120020intermittent9:00
1+120024intermittent6:30
stock20020intermittent6:00
stock20024intermittent4:00
stock20024machine dip and dunk5:30
1+140020intermittent11:30
stock40020intermittent7:30
1+150020intermittent13:00
stock50020intermittent8:30
1+180020intermittent15:30
stock80020intermittent10:00
1+1160020intermittent20:00
stock160020intermittent13:00
stock320020intermittent17:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Tetenal Ultrafin Plus 6 · EI 200, 400, 500, 800, 1600
DilutionEI°CAgitationTime
1+420020intermittent6:00
1+420024intermittent5:00
1+440020intermittent7:30
1+450020intermittent10:00
1+480020intermittent12:00
1+4160020intermittent16:30

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Tetenal Ultrafin SF 10 · EI 200, 400, 500, 800, 1600, 3200
DilutionEI°CAgitationTime
1+120020intermittent14:00
1+120024intermittent9:00
stock20020intermittent8:00
stock20024intermittent5:30
1+140020intermittent19:00
stock40020intermittent10:00
stock50020intermittent12:00
stock80020intermittent13:30
stock160020intermittent17:00
stock320020intermittent20:00

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Time in min:sec. Starting points from the source; test with your own process.

Shop prices

  1. £10.27Parallax PhotographicUKIn stock
  2. £11.49Analogue WonderlandUKIn stock

Price history GBP per roll

Now
£10.27
Lowest
£10.27 26 Oct
Highest
£10.27 26 Oct
Change
0.0%
£10.20£10.40£10.60£10.80£11.0030 Sept7 Oct14 Oct21 Oct28 Oct

Lowest in-stock price Shop average

Per roll, incl. VAT, excl. shipping. Each shop's own currency, not converted. Checked 28 Oct, 13:13 UTC. Line: last 30 days.

curl /api/v1/films/ilford-delta-400/prices?format=120&country=GB

Formats

  • 1200.11 mm acetate base
  • 13530.5 m · 0.125 mm acetate base
  • 13524 exp. · 0.125 mm acetate base
  • 13536 exp. · 0.125 mm acetate base

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

On the shelf

  • 120single019498780660
  • 13524 exp.019498748165
  • 13536 exp. · Limited Edition 2026019498182983

Source: Focus Nordic (distributor)

Handling and storage

Darkroom
Total darkness
Store unexposed film
at 20 °C or below
Refrigerate
yes, for longer storage
Freezing
allowed (warm up before opening)
Exposed film
Process as soon as practical after exposure.

Source: HARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11)

Sources

  1. DatasheetHARMAN technology DELTA 400 PROFESSIONAL Technical Information (2018-11) · checked 2026-10-15
  2. DistributorFocus Nordic · checked 2026-10-26

Unknown values are left out, never guessed. Corrections welcome.

Same data, as JSON

curl /api/v1/films/ilford-delta-400

Or ask an AI assistant through the MCP server: get_film("ilford-delta-400").