Leica Summicron-TL 23mm f/2 ASPH
Leica Summicron-TL 23mm f/2 ASPH
Top 19%121 points
Top 19%

Leica Summicron-TL 23mm f/2 ASPH: 24 facts and highlights

1. Has full-time manual focus

With full-time manual focus you can move the focus ring whilst it is in AF (auto focus) mode. This means that you can make manual adjustments once the AF has finished, without changing to manual mode.
Leica Summicron-TL 23mm f/2 ASPH
61% have it

2. widest aperture at maximum focal length

With a wider aperture the sensor can capture more light, helping to avoid blur by enabling a faster shutter speed. It also provides a shallow depth of field, allowing you to blur the background to focus attention on the subject.
2
Leica Summilux-TL 35 mm f/1.4 ASPH: 1.4

3. minimum focus distance

This is the closest distance that the lens can focus. A shorter minimum focus distance allows you to get closer to your subject, and is particularly important when doing macro photography.
0.3m
Samsung NX 10mm F3.5 Fisheye: 0.09m

4. widest aperture

With a wider aperture the sensor can capture more light, helping to avoid blur by enabling a faster shutter speed. It also provides a shallow depth of field, allowing you to blur the background to focus attention on the subject.
f/2
Leica Summilux-TL 35 mm f/1.4 ASPH: f/1.4

5. smallest aperture at maximum focal length

A smaller aperture reduces the amount of light reaching the sensor. This is important in bright conditions where a wider aperture could result in your image being overexposed. Another advantage is that with a smaller aperture you get a greater depth of field, and can keep all of the image in focus.
16
Sony E PZ 18-200mm F3.5-6.3 OSS: 40

6. has built-in optical image stabilization

Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.
Leica Summicron-TL 23mm f/2 ASPH
37% have it

7. Weather sealed

Device is protected with extra seals to prevent failures due to any kind of weather.
Leica Summicron-TL 23mm f/2 ASPH
29% have it

8. Can focus to infinity

Many lenses allow you to focus to infinity. This is essential when you wish to take photos including far off objects, such as when shooting landscapes, in order to make sure everything is sharp and in focus.
Leica Summicron-TL 23mm f/2 ASPH
62% have it

9. Front element doesn't rotate

The front element doesn’t rotate. This is important if you use filters, as some such as polarising or gradient filters have to be orientated a certain way.
Leica Summicron-TL 23mm f/2 ASPH
62% have it

10. has or is a prime lens

A prime lens has a fixed focal length. In general, these are sharper, with a wider aperture.
Leica Summicron-TL 23mm f/2 ASPH
48% have it

11. smallest aperture at minimum focal length

A smaller aperture reduces the amount of light reaching the sensor. This is important in bright conditions where a wider aperture could result in your image being overexposed. Another advantage is that with a smaller aperture you get a greater depth of field, and can keep all of the image in focus.
16
Sony E 18-200mm F3.5-5.6 OSS LE: 40

12. Has focus motor

Lenses with a built-in focus motor can autofocus even if the camera does not have its own focus motor.
Leica Summicron-TL 23mm f/2 ASPH
91% have it

13. has a silent focus motor built into the lens

Lenses with built-in focus motor focus faster and more quietly than lenses without a focus motor which rely on the camera's body focus motor.
Leica Summicron-TL 23mm f/2 ASPH
39% have it

14. optical zoom

The zoom range is the ratio between the longest and shortest focal lengths. A higher zoom range means that the lens is more versatile.
1x
Samsung NX 18-200mm F3.5-6.3 ED OIS: 11x

16. minimum focal length

A shorter minimum focal length allows you to get more of the scene in the photo, and offers a wider angle of view than longer focal lengths.
23mm
Olympus M.Zuiko ED 14-42mm F3.5-5.6 EZ: 0.25mm

17. maximum focal length

A longer maximum focal length allows you to focus in on a small part of a scene, and offers a narrower angle of view than shorter focal lengths.
23mm
Olympus M.Zuiko ED 75-300mm F4.8-6.7 II: 300mm

18. minimum angle of view

At the longest end of the lens you get the narrowest angle of view. This allows you to fit a small portion of the scene into the photograph, such as when you are zooming in on a subject (based on APS-C format).
64°
Olympus M.Zuiko ED 75-300mm F4.8-6.7 II: 4.1°

19. Includes lens hood

It comes with a lens hood so that you don’t have to buy it separately. These are used to block strong light sources, such as the sun, from the lens to prevent glare and lens flare.
Leica Summicron-TL 23mm f/2 ASPH
57% have it

20. Lens hood is reversible

The lens hood can screw onto the lens in reverse so that you can keep it on your camera at all times, ready to use.
Leica Summicron-TL 23mm f/2 ASPH
22% have it

21. Has a metal mount

A metal mount is generally superior to a plastic mount as it is more durable.
Leica Summicron-TL 23mm f/2 ASPH
94% have it

22. weight

154g
Samsung NX-M 9mm F3.5 ED: 31g

23. Is a wide angle lens

A wide angle lens is great for capturing larger areas of a scene, such as when doing architectural or landscape photography.
Leica Summicron-TL 23mm f/2 ASPH
27% have it

24. maximum angle of view

At the shorter end of the lens you get the widest angle of view. This allows you to fit more of the scene into the photograph (based on APS-C format).
64°
Samyang 8mm F/2.8 UMC Fish-eye: 180°

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