The Polaroid Polasonic AutoFocus 4000 is an instant camera. It has the same features as the Polaroid Pronto! Sonar OneStep.
It has a fixed focal length built in, a connection for a flash (flashbar) and is powered by a battery in the film pack. It can either be focused manually or the camera automatically sets the focus itself using the Polasonic AutoFocus module.
The Polasonic AutoFocus 4000 requires instant film for the SX-70 format. The current color film from Impossible Project for this format is the Polaroid Color Film for SX-70*, Polaroid B&W Film for SX-70* is the matching black and white film.
Technical datasheet
| Attribute | Specification |
|---|---|
| Type of Camera | Instant camera |
| Film format | SX-70 |
| Film transport | Automatic |
| Film transport mechanism | Motor |
| Picture format | 79 mm x 79 mm |
| Focal length | 116 mm |
| Widest aperture | f/9.4 |
| Focus | Autofocus |
| Light meter | Yes |
| Exposure modes | Program automatic |
| Manual exposure settings | No |
| Date imprinting | No |
| Built-in flash | No |
| Flash Connection | Flashbar connector |
| Cable release thread | No |
| Self-timer | No |
| Power supply | 1x battery in filmpack |
| Estimated value / Used price | 58,00 Euro Estimate based on used prices of 4 offers (possibly with different scope of delivery and/or condition). As of June 15, 2026 |
| Average used price in the year 2023 | 53,71 Euro (57.37 US-Dollar) |
| Average used price in the year 2024 | 54,92 Euro (58.45 US-Dollar) |
| Average used price in the year 2025 | 53,75 Euro (57.37 US-Dollar) |
FAQ about the Polaroid Polasonic AutoFocus 4000
Is the Polaroid Polasonic AutoFocus 4000 easy to use?
Yes, it's relatively straightforward. It offers both automatic and manual focus options, making it suitable for beginners and experienced users alike. The flash is also simple to use.
What kind of film does this instant camera use?
The Polasonic AutoFocus 4000 uses SX-70 format instant film. Impossible Project offers both color and black and white film in this format.
Does the camera have a built-in flash?
Yes, it includes a flash (flashbar) for taking pictures in low-light conditions. This ensures good image quality even when lighting is poor.
How does the focusing system work on this Polaroid camera?
The Polasonic AutoFocus 4000 has a unique autofocus system, but you can also manually focus if you prefer more control over your images. Both options are available.
Where can I get film for my new instant camera?
Impossible Project produces SX-70 format film, which is compatible with this model. You can usually find it online or at specialty stores that sell instant film.