The definitive equipment listing for Prakticas on the internet
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| Lenses -> M42 -> Carl Zeiss Jena Flektogon 2.8/20 | |
| Construction - | 9 elements, 8 groups |
| Angular field - | 93° |
| Minimum focusing distance - | 0.19m |
| Diaphragm action - | Fully automatic |
| Minimum aperture - | f/22 |
| Filter size - | 67mm screw-in type |
| Push-on diameter - | 70mm |
| Weight - | 350g |
| Barrel length - | 54.5mm |
| Description - | This model succeeded the 4/20, available in both auto and electric versions. Also remounted in B-mount as the Carl Zeiss Jena Prakticar 2.8/20. |
Lens schema: Lens:  |
2001 fireworks by André La Pierre Additional data: Camera: Praktica BX 20 S Shot on: Kodak Royal Gold 200 with around f5.6 aperture The Hungarian Pariament in winter time by Katherine Dér Additional data: Camera: Praktica PLC 3 Shot on: Fortepan B&W 100 ASA |
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