Film comparison
Adox CMS 20 II PRO vs Adox HR-50
- HR-50 is 1.3 stops faster (ISO 50 vs 20).
Side by side
| CMS 20 II PRO | HR-50 | |
|---|---|---|
| Manufacturer | Adox | Adox |
| Type | Black & white | Black & white |
| Box speed | ISO 20 | ISO 50 |
| Process | B&W | B&W |
| Formats | 35mm, 120, 4x5 | 35mm, 120, 4x5 |
| Grain | Very fine | Very fine |
| Contrast | — | — |
| Latitude | — | — |
| Saturation | — | — |
| Price, 35mm | — | — |
| Price, 120 | — | — |
| Availability | Current | Current |
Rows that differ are in bold. Prices are typical UK prices and change often.
How they look
- CMS 20 II PRO
- Document-film based ortho-panchromatic stock with extreme resolution (up to 800 lp/mm) that needs ADOX ADOTECH developer for pictorial contrast; rated ISO 12-20.
- HR-50
- Ultra-fine-grain super-panchromatic film on PET, modified by ADOX from an Agfa-Gevaert aerial emulsion; up to 280 lp/mm and usable for infrared with filtration.
Which suits what
Better pick: CMS 20 II PRO
Enlargement
Both work well
Landscape
Better pick: HR-50
Architecture
Long exposures (reciprocity)
| Metered | CMS 20 II PRO | HR-50 |
|---|---|---|
| 1s | 1s | 1s |
| 10s | 20s | 18s |
| 30s | 1m | 1m 16s |
| 2m | 4m | 5m 2s |
Corrected exposure from each film’s published reciprocity data. Reciprocity calculator