Carl Zeiss C Biogon T4,5/21 ZM is a Fixed aperture Manual Focus (MF)
Wideangle Prime lens with 35mm FF max sensor coverage, and it is designed to be used with
M Mount cameras.
What type of photography is the Carl Zeiss C Biogon T4,5/21 ZM lens good for?
The choice of photography type for which you intend to use the Carl Zeiss C Biogon T4,5/21 ZM is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Carl Zeiss C Biogon T 4,521 ZM Lens
Here we've included a summary of the advantages and disadvantages of the Carl Zeiss C Biogon T 4,521 ZM lens in a list form to assist you in determining whether it offers the features you need.
| Aperture Ring |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Covers Full-Frame Sensor |
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Buy Carl Zeiss C Biogon T4,5/21 ZM from Amazon or B&H PHOTO
| No Weather Sealing |
| No Autofocus |
| Pricey |
Lens Mount
Carl Zeiss C Biogon T4,5/21 ZM is compatible with cameras that have a Leica M lens mount. Some of the latest released cameras that are compatible with the Leica M lenses are Leica M EV1, Leica M11-D and Pixii Max.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Carl Zeiss C Biogon T4,5/21 ZM has a maximum diameter of 53mm and a total length of 56mm. It weighs 210g / 7.4 oz.
Carl Zeiss C Biogon T4,5/21 ZM has a filter thread of 46mm. Below are links to the filters that we recommend you to consider for your Carl Zeiss C Biogon T4,5/21 ZM:
You can also check All Leica M Mount Lenses with 46mm Filter Thread Size to find the matching lenses.
Focal Range
Carl Zeiss C Biogon T4,5/21 ZM has a fixed focal length of 21mm.
Optical Image Stabilization
Carl Zeiss C Biogon T4,5/21 ZM doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Maximum Magnification Ratio
Carl Zeiss C Biogon T4,5/21 ZM has a Max Magnification Ratio of 0.05x with a minimum focusing distance of 0.5m. 0.05x ratio is quite low, making this lens unsuitable even for modest close-up photography.
Below are the 3 Wideangle Prime type Leica M mount lens alternatives with highest max magnification ratios:
Aperture
The Carl Zeiss C Biogon T 4,521 ZM features a maximum aperture of F4.5 and can be stopped down to a minimum aperture of F22. While a maximum aperture of F4.5 requires a bit more ambient light or a bump in ISO when shooting indoors, it keeps the physical size of the lens much smaller and easier to carry. Given the wider 21mm field of view, the background will naturally stay a bit more in focus, making it ideal for environmental portraits, street photography, or landscapes where context matters. The minimum setting of F22 is excellent for deep depth of field work like macro photography, though you may want to avoid the absolute smallest settings to skip the sharpness loss caused by optical diffraction.
Optical Formula
Carl Zeiss C Biogon T4,5/21 ZM's optical formula consists of 8 elements in 6 groups .
Popular Comparisons of Carl Zeiss C Biogon T4,5/21 ZM
Here are the 8 most popular comparisons of the Carl Zeiss C Biogon T4,5/21 ZM amongst Camera Decision readers.
Top Alternatives of Carl Zeiss C Biogon T4,5/21 ZM Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Carl Zeiss C Biogon T 4,521 ZM.
Top Alternatives of Carl Zeiss C Biogon T4,5/21 ZM in Other Lens Mounts
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