ADOX Fotowerke · also CMS 20, CMS 20 II PRO

ADOX CMS 20 II

ISO 20 black-and-white negative, panchromatic

Ultra-slow microfilm-derived black-and-white film with extremely fine grain and very high resolution, made for pictorial use as a closed system with ADOX ADOTECH II developer.

Type: Black-and-white negative
Box speed: ISO 20/14°
Balance: panchromatic
Process: B&W
Formats: 120, 135, 4x5
Base: polyester
DX coded: no
Status: in production
Source document: CMS 20 / ADOTECH II datasheet, rev. 2014-10

Exposure

Light	Filter	EI / adjust
Daylight	none	16

Source: ADOX Fotowerke CMS 20 / ADOTECH II datasheet (2014-10)

Reciprocity

Metered	Adjust	Use
1/1,000 s	+½ stop	—
1 s	+½ stop	—
10 s	+1 stop	—

Source: ADOX Fotowerke CMS 20 / ADOTECH II datasheet (2014-10)

Work out a long exposure for ADOX CMS 20 II

Processing

B&WNormal — ADOTECH II only.

Source: ADOX Fotowerke CMS 20 / ADOTECH II datasheet (2014-10)

Development times 2

ADOX Adotech II 2 · EI 20

Dilution	EI	°C	Agitation	Time
250 or 500 ml working solution	20	20	intermittent	10:00
300 or 600 ml working solution	20	20	intermittent	13:00

Source: ADOX Fotowerke CMS 20 / ADOTECH II datasheet (2014-10)

ADOX CMS 20 II in ADOX Adotech II: all times as a grid

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

Shop prices

No shop prices for this film yet. The price watch checks shops once a day.

Formats

120
135
4x5

Source: ADOX Fotowerke CMS 20 / ADOTECH II datasheet (2014-10)

On the shelf

120single4260243550069
13536 exp.4260243550243

Sources: Maco Direct (distributor); Freestyle Photographic (distributor)

Image structure

Resolving power, TOC 1000:1: 800 lines/mm

Source: ADOX Fotowerke CMS 20 / ADOTECH II datasheet (2014-10)

Handling and storage

Exposed film: Keep in its light-tight container and load in subdued light: the clear base can pipe light into the cassette.

Source: ADOX Fotowerke CMS 20 / ADOTECH II datasheet (2014-10)

Sources

DatasheetADOX Fotowerke CMS 20 / ADOTECH II datasheet (2014-10) · checked 2026-10-28
DistributorMaco Direct · checked 2026-10-28
DistributorFreestyle Photographic · checked 2026-10-28

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

Same data, as JSON

curl /api/v1/films/adox-cms-20-ii

Or ask an AI assistant through the MCP server: get_film("adox-cms-20-ii").