Questions tagged [optical-viewfinder]

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3
votes
2answers
113 views

Why did I see sunlight reflection in viewfinder but not in final image?

I have a Canon 2000D DSLR with 55-250mm lens and no lens hood. Recently, I took a picture of a tractor that was in nearly the same direction the sun was shining from. However, the sun was sufficiently ...
1
vote
2answers
75 views

Why do I see the moon as two objects through my DSLR viewfinder if I use eyeglasses?

I use eyeglasses with -1 diopter correction. Few days ago, I photographed the moon during night with my Canon 2000D DSLR. When looking at the moon through the viewfinder, I saw the moon as two ...
6
votes
5answers
345 views

What are the advantages and disadvantages of an electronic viewfinder vs. a DSLR's optical finder?

DSLR cameras, like traditional film SLRs, have a viewfinder you put to your eye to look through the lens. These days, many mirrorless cameras are styled just like DSLRs but use an electronic ...
2
votes
1answer
168 views

What's the advantage of a DSLR's “previewer” viewfinder, since I have observed that mirrorless cameras appear to have the same thing?

I have read some articles about DSLR and mirrorless cameras, and one thing all people insist on is that: DSLRs use the same design as the 35mm film cameras from the past. A mirror inside the ...
4
votes
2answers
209 views

How does the viewfinder overlay work?

I know how the focus points are painted on the mirror but where do the "signs" come from? How are auto focus points are illuminated red in Canon 1300D? Where and how are the shutter speed numbers ...
1
vote
1answer
88 views

Fit LCD to prism based viewfinder

This is a potentially a pointless endeavour, but I'm looking into trying to assemble a mirrorless camera using a CCD sensor mounted to the back of an M42 lens using a series of converters. Primarily, ...
46
votes
7answers
8k views

How did photography work before auto-focus was invented?

Having just spent some time reading questions about auto-focus, I came up with a question of my own: How did cameras even work before auto-focus technology was invented? Presumably everybody used ...
11
votes
3answers
2k views

In 2016 are optical viewfinders on Point and Shoot now dead?

My beloved Canon G151 is in a sorry state and I want to replace it with something of a similar size with an optical eye-level viewfinder. In 2011 a question was asked about point and shoot's with ...
0
votes
2answers
3k views

Do I need to cover my DSLR's viewfinder when using the LCD display? [duplicate]

I just read the manual of my camera, and it says that if you are using the LCD display to take shots, you should close the viewfinder with the plastic piece (I don't know its proper name), so the shot ...
2
votes
1answer
235 views

How much light is lost through a typical matte focusing screen?

My understanding is, the focusing screen, being matte, will diffuse some amount of light in a direction that is not captured by the optical viewfinder. I am aware of some technical developments ...
2
votes
2answers
161 views

Is the effect of a fisheye lens visible in an optical viewfinder or Live View?

I live in an area without a camera shop nearby, so I can't see for myself. On a DSLR, is the effect of a fisheye lens visible in the optical viewfinder or do I need a fisheye viewfinder for that? Is ...
3
votes
2answers
1k views

I scratched the glass on my Canon 550D's optical viewfinder — what can I do about it?

There were some specks of dust that appeared on the optical viewfinder when I looked through it. I tried using a blower but it didn't work and I may have introduced a scratch to it. Is there a way ...
0
votes
1answer
136 views

Why does the iso and time exposure change in auto iso mode when i use the optical beside the lcd in my canon t3i?

Im having problems when im using the auto iso mode in my canon rebel t3i whith the optical viewfinder but not when i use the lcd monitor. whe i use the optical viewfinder the exposition and iso change ...
1
vote
2answers
947 views

If I look down at the viewfinder of my 5D III, I can see a part of the reflected image under the main view finder screen, is it normal?

I have a 5D mark III, but when I see the viewfinder from a slightly higher position, I can see another "screen", possibly a part of a reflected image under the main viewfinder image, is it normal? I ...
5
votes
1answer
130 views

Why do focusing aids darken when not looked at directly?

Many users of (D)SLRs equipped with a split image rangefinder or, to a lesser extent, with microprisms will notice how they have a tendency to appear dark in less than optimal conditions, such as ...
0
votes
1answer
375 views

Bokeh in Optical View Finder [duplicate]

Possible Duplicate: Why can’t I see bokeh in the viewfinder? In a basic DSLR optical view finder is 95% accurate, so theoretically I should be able to see what ever the lens captures. But when it ...
5
votes
4answers
1k views

How can I solve the problem of viewfinder lag when shooting video with a DSLR?

I use my DSLR camera to shoot videos of moving subjects (such as a car), and sometimes I pan the camera to track the subjects as they move. The problem I have is that to track the subject, I have to ...
25
votes
9answers
13k views

What are the advantages of using the optical viewfinder over live preview to take photos on a DSLR?

Forgive this novice question, I am basically a complete newbie to photography. Really, all I've ever used for most my of short life have been point-and-shoots; I've only recently started to pick up ...
26
votes
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 ...
7
votes
5answers
717 views

Is there an interchangeable-lens compact with an optical viewfinder?

Is there such a thing as an interchangeable lens compact (aka EVIL, MILC, SLD, micro) with an optical viewfinder? I'm tempted by having a high quality camera I can stick in my pocket (with a pancake ...