Questions tagged [focusing-screen]

The screen on which the image entering a reflex camera is reflected on by a mirror. Multiple designs are generally available.

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26
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5answers
6k views

Why is the depth-of-field preview in the optical viewfinder of my Canon 500D inaccurate?

I have noticed that in my Canon 500D, the depth-of-field preview in the optical viewfinder is inaccurate with large aperture settings. If I press the DoF preview button, there is very little ...
44
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6answers
17k views

Why don't DSLRs come equipped with “classic” focusing screens (split prism, etc)?

I have a hard time manual focusing my Canon EOS 350D. Compared to the few higher spec DSLRs that I played with, and that have a pentaprism, my Rebel's (pentamirror) viewfinder feels crammed and ...
15
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1answer
4k views

What is a focusing screen?

I've seen a couple other questions such as this one talk about focusing screens. What is a focusing screen? Where is it located?
23
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4answers
3k views

Disadvantages of split-prism focusing screens?

I'm considering getting a microprism focusing screen for my Nikon d3000 (specifically, the KatzEye). Hopefully this will help tremendously with manual focusing, but I suspect there must be some ...
9
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2answers
11k views

Do focusing screens exist for modern DSLRs?

Recently I bought a second hand Nikon EM. I found that these analog cameras used a very neat trick to focus. After some googling I found that this is called the "focusing screen". Do focusing ...
2
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1answer
11k views

Which Canon focusing screens fit on the Canon 6D

I'm having trouble finding the available focusing screens for the Canon 6D. Are the canon 6D focusing screen compatible with the 5D Mk II focusing screens? Is there a microprism focusing screen for ...
3
votes
4answers
522 views

Is it possible to get a larger screen for live view, for precise manual focus?

I've been doing some test macro shots lately and it's been a pain to focus sharp. The macro lens already minimizes DoF and makes things hard but I've been thinking of an external screen that I can pan/...
3
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2answers
1k views

Can a new focusing screen affect exposure metering?

After i replaced original focusing screen with a split one, it seems that every picture i take is overexposed now. Can it affect on exposure? Or i damaged something while replacing it? I own Nikon ...
1
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2answers
3k views

What are the differences between different types of focusing screens?

I've seen some focusing screen questions, but I can't seem to find a general question, so I'll go ahead and ask. Over the years, there have been different focusing screens and I'll list some below. ...
11
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5answers
17k views

How should I clean my focusing screen?

While on holidays I managed to get hair and dust onto the focusing screen of my 550D. How should I clean this off. I have already tried a normal lens cloth, but that only made it worse.
5
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3answers
13k views

Why do the focus points leds in my viewfinder appear shadowed?

The focus points leds (red colored ones), looks shadowed (smudged) in my Canon 550D. Not all points, but the bottom 3 points, when the light glows, looks kind of shadowed. I tried cleaning the both ...
0
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3answers
778 views

How can I make it easier to focus with my manual f/1.4 lens without making it worse for slower lenses?

I have a Canon 17-40mm f/4 and a Samyang 35mm f/1.4 lens, and a Canon 6D. The problem is that when I'm trying to focus at f/1.4, the DOF in viewfinder is much wider than on the photo so it's much ...
10
votes
4answers
477 views

If I have a recent, mid-range DSLR, then why, if ever, would I need to buy another / better focusing screen?

In theory this question applies to other brands beside Canon, but I'm going by the Canon experience here. Namely: Why would I want to change a functional focusing screen with another one? And what ...
4
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3answers
480 views

Donuts in the bokeh through the viewfinder of Canon 6D

I just bought a Canon EOS 6D, and while testing it I noticed that I tend to see small dark donut shapes in the center of the extremely out-of-focus highlight spots in the viewfinder. This was with an ...