Quick answer
The Meyer-Optik Görlitz Helioplan 40mm f/4.5 is a standard prime lens covering 40mm at f/4.5 for the M42 mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
The Meyer-Optik Görlitz Helioplan 40mm f/4.5 is a manual-focus standard prime lens covering 40mm at f/4.5 for M42 mount cameras. The natural field of view suits street, documentary and everyday photography.
Meyer-Optik Görlitz Helioplan 40mm f/4.5 specifications
- Brand
- Meyer-Optik Görlitz
- Mount
- M42
- Focal length
- 40mm
- Maximum aperture
- f/4.5
- Lens type
- Prime
What can you shoot with the Meyer-Optik Görlitz Helioplan 40mm f/4.5?
At 40mm this is a standard prime, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera). Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 40mm | 48.5° | 56.8° |
| APS-C | 1.5x | 60mm | 33.4° | 39.7° |
| Micro Four Thirds | 2.0x | 80mm | 25.4° | 30.3° |
Frequently asked questions
What mount does the Meyer-Optik Görlitz Helioplan 40mm f/4.5 use?
It uses the M42 mount, so it fits M42 cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Meyer-Optik Görlitz Helioplan 40mm f/4.5?
It is a fixed 40mm lens with a maximum aperture of f/4.5. That makes it a standard lens.
Is the Meyer-Optik Görlitz Helioplan 40mm f/4.5 a prime or a zoom lens?
It is a prime lens with a fixed 40mm focal length. Primes usually open wider than zooms; this one opens to f/4.5.
What is the Meyer-Optik Görlitz Helioplan 40mm f/4.5 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 60mm on full frame, with a 33.4° horizontal and 39.7° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 80mm on full frame, with a 25.4° horizontal and 30.3° diagonal field of view. These figures are calculated from the focal length and crop factor.
Alternatives for M42 from other brands
All M42 lensesSame mount, overlapping focal range, closest maximum aperture first.
