Is there an SLR with no viewfinder blackout?

Started Jan 14, 2014 | Questions
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PhotomuseX
PhotomuseX New Member • Posts: 6
Is there an SLR with no viewfinder blackout?

Hi there, I am a professional photog looking to further a personal project involving long exposures. I would like to track my subject throughout the exposure. Currently, viewfinder blackout does not allow me to maintain visual contact with my subject as I expose for 1 second or longer.

Does anyone know of an SLR that does not have any viewfinder blackout? I would greatly appreciate any recommendations.

Thank you!

ANSWER:
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D Cox Forum Pro • Posts: 14,319
Re: Is there an SLR with no viewfinder blackout?

You could rent a Leica M. It's not an SLR, of course, but you do get continuous viewing.

karl eller
karl eller Regular Member • Posts: 324
Re: Is there an SLR with no viewfinder blackout?
6

PhotomuseX wrote:

Hi there, I am a professional photog looking to further a personal project involving long exposures. I would like to track my subject throughout the exposure. Currently, viewfinder blackout does not allow me to maintain visual contact with my subject as I expose for 1 second or longer.

Does anyone know of an SLR that does not have any viewfinder blackout? I would greatly appreciate any recommendations.

Thank you!

An SLR? No, because that's how an SLR works: When not taking an exposure, light comes in through the lens, bounces off some mirrors and out the viewfinder. When taking an exposure, mirror flips up and light goes on to the film/sensor instead, and there's nothing showing in the viewfinder.

What you need is something that has an Electronic Viewfinder that will remain active during the exposure, so you probably need to look at some of the Mirrorless ILCs.

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(unknown member) Senior Member • Posts: 1,324
R for reflex
3

the reflex refers to the mirror mechanism.

You can have the mirror up, or the sensor. You can't have both at the same time. That's how DSLRs work.

(unknown member) Senior Member • Posts: 2,216
Canon Pellix (film SLR) (n/t)
5

Joe

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steephill Veteran Member • Posts: 9,774
Sony SLT or..
1

Any Live View capable DSLR of which there are many.

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tko Forum Pro • Posts: 11,299
what?

Just put any SLR in liveview. Or buy a mirrorless. Not hard.

PhotomuseX wrote:

Hi there, I am a professional photog looking to further a personal project involving long exposures. I would like to track my subject throughout the exposure. Currently, viewfinder blackout does not allow me to maintain visual contact with my subject as I expose for 1 second or longer.

Does anyone know of an SLR that does not have any viewfinder blackout? I would greatly appreciate any recommendations.

Thank you!

Vikas Rana
Vikas Rana Contributing Member • Posts: 912
Sight Gadgets
2

No SLR can do this but you can attach a Sight-Finder to any camera, a discussion is going in Sony SLR forum: http://www.dpreview.com/forums/thread/3571427

The gadget is available on amazon as well as B&H

Some sample images from the thread:

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Martin.au
Martin.au Forum Pro • Posts: 10,381
Re: Is there an SLR with no viewfinder blackout?
1

PhotomuseX wrote:

Hi there, I am a professional photog looking to further a personal project involving long exposures. I would like to track my subject throughout the exposure. Currently, viewfinder blackout does not allow me to maintain visual contact with my subject as I expose for 1 second or longer.

Does anyone know of an SLR that does not have any viewfinder blackout? I would greatly appreciate any recommendations.

Thank you!

Interesting. M4/3s gets close, with live bulb refreshing the screen every 0.5s, but I doubt that's sufficient.

I think the Red Dot Sight, posted above may be the best option.

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markkuk Contributing Member • Posts: 680
Olympus E-10 and E-20
1
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(unknown member) Senior Member • Posts: 1,324
This sentence

" It also means that the E-10 has very little shutter noise (no mirror flip), to compensate you can (god forbid) enable a simulated shutter sound (just like a Sony Mavica)."

That sentence made me think... I think I'd have to enable the sound! Quiet shutter is a pleasure, but a shutter with no sound? Would drive me crazy!

Vikas Rana
Vikas Rana Contributing Member • Posts: 912
Re: Olympus E-10 and E-20

markkuk wrote:

http://www.dpreview.com/reviews/olympuse10

http://www.dpreview.com/reviews/olympuse20

-ve, Its not mentioned anywhere that matches the OP's requirement. Its pretty much a compact version Sony Alpha SLTs...

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DaveOl
DaveOl Veteran Member • Posts: 3,124
Re: liveview

Any of the old pellicle mirror cameras, but almost all were film cameras.

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Vikas Rana
Vikas Rana Contributing Member • Posts: 912
Re: liveview

DaveOl wrote:

Any of the old pellicle mirror cameras, but almost all were film cameras.

Its Canon EOS RT, but it reflects 2/3 (66.66%) of light to OVF & 1/3 (33.33%) to film that results in noise as well as slower shutter speed.

SLTs sensor get 70% of light that served to EVF, only 30% goes to A/F mechanism.

But Canon EOS RT OVF does not blackout

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tcg550 Senior Member • Posts: 1,773
Re: what?

tko wrote:

Just put any SLR in liveview. Or buy a mirrorless. Not hard.

Not any SLR. I just pulled out a D90 out of curiosity, live view goes dark on a long exposure.

scorrpio
scorrpio Veteran Member • Posts: 3,388
Re: Is there an SLR with no viewfinder blackout?
2

karl eller wrote:

What you need is something that has an Electronic Viewfinder that will remain active during the exposure, so you probably need to look at some of the Mirrorless ILCs.

Except electronic viewfinder shows zip when sensor is busy recording a long exposure.

The only systems that do what OP wants are those with non-TTL viewfinders.    Get a rangefinder or a TLR.

peevee1 Senior Member • Posts: 6,247
Re: Is there an SLR with no viewfinder blackout?

scorrpio wrote:

karl eller wrote:

What you need is something that has an Electronic Viewfinder that will remain active during the exposure, so you probably need to look at some of the Mirrorless ILCs.

Except electronic viewfinder shows zip when sensor is busy recording a long exposure.

Actually, Olympus cameras have Live Bulb and Live Time modes which update screen/EVF during exposure, as often as every 0.5 seconds.

tsk1979 Senior Member • Posts: 1,139
SLT is the correct answer(nt)
1
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Erik Magnuson Forum Pro • Posts: 12,237
To what question?
3

An SLT does not update the EVF during still exposures.  The top-of-the-line A99 doesn't even supply live view updates at 6 FPS continuous -- just replays of the previous exposure (past not present).  You don't get actual updates until you drop down to 3 FPS.  Heck, even a Canon Rebel can do better flapping it's mirror at 4-5 FPS.

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Vikas Rana
Vikas Rana Contributing Member • Posts: 912
Re: To what question?

Erik Magnuson wrote:

An SLT does not update the EVF during still exposures. The top-of-the-line A99 doesn't even supply live view updates at 6 FPS continuous -- just replays of the previous exposure (past not present). You don't get actual updates until you drop down to 3 FPS. Heck, even a Canon Rebel can do better flapping it's mirror at 4-5 FPS.

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Erik

I'm not sure about A99 but SLT A77 provides updates with 12 fps, like any other SLR/Ts it blacked out in long exposures

12fps

https://www.youtube.com/watch?v=E0oAno5MD5I

8fps

https://www.youtube.com/watch?v=A8HFmyfZLf4

3fps

https://www.youtube.com/watch?v=FV6VLnW8G3o

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