90points

Olympus M.Zuiko 25mm F1.8

74points

Olympus M.Zuiko 45mm F1.8

Comparison winner
Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8
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22 facts in comparison

Olympus M.Zuiko 25mm F1.8 vs Olympus M.Zuiko 45mm F1.8

Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8
Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8

Why is Olympus M.Zuiko 25mm F1.8 better than Olympus M.Zuiko 45mm F1.8?

  • Has full-time manual focus
  • 0.26m shorter minimum focus distance
    0.24mvs0.5m
  • Front element doesn't rotate
  • 20mm shorter minimum focal length
    25mmvs45mm
  • Includes lens hood

Why is Olympus M.Zuiko 45mm F1.8 better than Olympus M.Zuiko 25mm F1.8?

  • 20° narrower minimum angle of view
    27°vs47°
  • 20mm longer maximum focal length
    45mmvs25mm
  • 20g lighter
    116gvs136g

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General info

1.has or is a prime lens
Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8

A prime lens has a fixed focal length. In general, these are sharper, with a wider aperture.

2.Front element doesn't rotate
Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8

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.

3.maximum focal length

25mm

45mm

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.

Best

Sigma 300-800mm F5.6 EX DG APO HSM

800mm

4.minimum focal length

25mm

45mm

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.

Best

Canon EF 35mm F/2 IS USM

0.24mm

5.Is a normal lens
Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8

A normal lens is one that doesn't fall into another category such as wide angle or telephoto, and typically has a focal length between 35mm and 70mm. These lenses aren't tailored towards a specific type of photography, and so are quite versatile.

6.weight

136g

116g

Best

Canon EF 400mm F/4 DO IS II USM

2.1g

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Optics

1.minimum angle of view

47°

27°

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).

Best

Tamron SP 150-600mm F/5-6.3 Di VC USD

2.optical zoom

1x

1x

The zoom range is the ratio between the longest and shortest focal lengths. A higher zoom range means that the lens is more versatile.

Best

Tamron 18-400mm f/3.5-6.3 Di II VC HLD

22.2x

3.maximum angle of view

47°

27°

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).

Best

Leica APO-Summicron-SL 75mm f/2 ASPH

318°

4.magnification

0.12x

0.11x

A true macro lens has a magnification of 1:1. This means that the image produced is a life-size representation of the subject being photographed.

Best

Leica Vario-Elmarit-SL 24-90mm F2.8-4 ASPH

14x

relevant

Aperture

1.widest aperture at maximum focal length

1.8f

1.8f

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.

Best

Samyang XP 50mm f/1.2

1.2f

2.smallest aperture at maximum focal length

22f

22f

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.

Best

Pentax HD DA 560mm F5.6 ED AW

45f

3.widest aperture

f/1.8

f/1.8

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.

Best

Samyang XP 50mm f/1.2

f/1.2

4.aperture blades

7

7

The aperture controls how much light gets through to the camera’s sensor. More blades is often an indicator of a better quality lens. It also allows you to achieve much nicer looking bokeh when blurring out your background, whereas a lens with less blades will often produce harsher, more polygonal bokeh.

Best

Lensbaby Velvet 85

12

5.Has rounded aperture blades
Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8

Similar to the number of aperture blades, rounded blades affect the way the light gets through to the sensor. Rounded blades, often only found on more expensive lenses, improve the appearance of the out-of-focus areas. This allows you to attain better, softer looking bokeh in your photos.

6.smallest aperture at minimum focal length

22f

22f

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.

Best

Pentax HD DA 560mm F5.6 ED AW

45f

relevant

Focus

1.Has full-time manual focus
Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8

With full-time manual focus, you can move the focus ring whilst it is in AF (autofocus) mode. This means that you can make manual adjustments once the AF has finished, without changing to manual mode.

2.Can focus to infinity
Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8

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.

3.minimum focus distance

0.24m

0.5m

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.

Best

Zeiss Batis 40mm f/2 CF

0.02m

4.Has focus motor
Olympus M.Zuiko 25mm F1.8
Olympus M.Zuiko 45mm F1.8

Lenses with a built-in focus motor can autofocus even if the camera does not have its own focus motor.

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