A list of good/bad MFT lens for new owner?

Started Oct 1, 2012 | Discussions thread
ryan2007 Forum Pro • Posts: 12,001
Re: A list of good/bad MFT lens for new owner?

I don't think this is the best way to look at a lens. They are all good and all have a place.

Let's remove the camera from the equation.

What matters here is focal length and the perspective you will get. Remember Micro Four Thirds everything is multiplied Two Times when it comes to focal length.

Full Frame DSLR's are the same when we used to talk about any film camera. A film cameras lens or 35 mm refers to a few things but for this the question is how to you recreate what the eye sees on the final print for your album.

The starting point is the human eye, what you see with no eye glasses and this equates to 50 mm or 60 mm, Micro Four Thirds this is either the 25 mm or 30 mm lens/focal length.

Anything wider is how you get more scene into the frame and anything longer is to bring something in the distance closer.

When you talk portrait lens we are talking you are 5 feet (about) from the subject and you want to fill the frame with a head & shoulders shot. You would use 85 mm or 105 mm for the most part. Just halve these numbers for Micro Four Thirds focal lengths.

The focal length of 135 mm can be used as well for portraits but its a bit too long and you may have to physically back up a foot.

Longer than 135 mm you have a telephoto lens, the Panasonic 45 - 200 is a 90 - 200 so it makes a good portrait to telephoto lens. It is not wide enough for interior shots close quarters.

On the wide angle side anything wider than 35 mm or 16 mm in MFT's speak is wide angle and when shooting multiple people or groups you should not shoot wider than 35 mm to avoid distortion on the outside of the frame or making everyone seem far away.

The focal length of 20 mm or 24 mm (10 or 12 for MFT's) is a nice sweeping landscape focal length.

Wider than that is ultra wide and remember the Panasonic 7 - 14 is a wide zoom and the 8 mm is a fisheye. You have the same focal length in both lenses. It is harder and more expensive to make a wide angle lens without distortion.

The combination of aperture whether it is the same number the whole range like the Panasonic 12-35 2.8 or the Panasonic 14-45 3.5-5.6 makes a lens cost more because its harder to do. The focal lengths are very close, you have 24-70 or 28-90 just a bit difference on each end.

Three things effect depth of field. F-stop or aperture, focal length and camera to subject distance.

You can take the Panasonic 45-200 set at 100mm and the best f-stop is 5.6 and I can take the same 35-100 2.8 lens at the same 100 mm focal length and the 2.8 will separate the subject from the background better. I will also be able to use a slower ISO speed but you may need flash or higher ISO. We can even stand the same 10 feet from the subject.

Jefftan wrote:

Is there a list of what is generally consider to be good or bad lens for new owner

lots of different lens with price from low to high

must be confusing

at least to me

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