7D mirror lock up

Rich Halferty · Jan 27, 2005

I've read on this site the 7D has this capability, I've searched the manual and can't find anything.

I have no experience what-so-ever with mirror lock up can some one explain ?
--
Regards,
Rich

Maxxum 5
Maxxum 7D
Minolta 24 f2.8
Minolta 28-75 f2.8 (D)
Minolta 75-300 f4.5-5.6 (D)
5600HS (D) flash
Minolta DiMage Scan Elite 5400
Canon i9900 Printer

'My camera is always ready to go shooting....usually, I'm right there behind it'
http://www.pbase.com/richal

JusGene · Jan 27, 2005

There is when you want to clean the sensor.

And the one on the 2 second timer.

Gene

--
JusGene
In the 7D Gang!
I live in Minoltaville, just outside the world
'The easiest thing you can be ... is wrong!' -Me (7/29/1993)
'Statistically, people make mistakes 70% of the time' -Independent Research Firm
'The more you know, the more you don't know' -Me (8/14/1987)
'Life is nothing, but for a bunch of words' -Me (11/4/1990)
M7D, D7u(?), SPxi

Papasha · Jan 27, 2005

Self-Timer Notes (p. 57 English manual), last paragraph.
2 second delay ups the mirror.

The way it works, all metering (like pre-flesh etc) is done when you press the release. Then mirror goes up, then there is a delay of 2 seconds...

Dennis · Jan 27, 2005

Look at "self timer notes" ... sounds like it's automatic with 2-second self timer. (On the film 7, I believe it's customizable - on or off). You set the camera to 2-second self timer, press the shutter release, and the mirror flips up. This reduces mirror-induced shake that can affect high magnification shots (long teles or macros) at certain moderately slow shutter speeds.

Dennis

Matt Cham · Jan 27, 2005

This 2-second timer with MLU is one of the
highlight features of the 7D. Clearly the
engineers are photographers themselves.

-Matt

Erik Pronske · Jan 27, 2005

Agree, it is the 2-sec self timer. This is probably the best feature a camera can have especially when shooting with long lenses at relatively low shutter speeds. I really saw the difference in images with the Max 9xi (doesn't have mlu) and the Max 9 (does have mlu). On static objects, I use this feature instead of a cable release. Also, best used with the camera on a tripod. I would not have bought the D7 if it did not have this feature.

WMcCann · Jan 27, 2005

Does the camera have the possibility of a Bulb setting or is 30s the max exposure?

Walter.

Jay Williams · Jan 27, 2005

Yes. It has bulb. To activate it, you just set the shutter speed for the next longer setting than 30s.

A couple other points. One, there's no reason ever to user MLU when shooting hand-held, besides the fact that you're trying to aim blind. Two, it's good to use the cable release even when using MLU, as you can still cause the camera and lens to shake for quite awhile if you're using a big lens. The combination of cable release, MLU, and a large tripod and study head (oh, yeah, almost forgot AS) will, in combination, give the sharpest results.

Jay
http://www.jpwphoto.com

Cigar · Jan 27, 2005

Erik Pronske wrote:
On static objects, I use this feature instead of a cable
release. Also, best used with the camera on a tripod. I would not
have bought the D7 if it did not have this feature.

I assume mirror lockup works if you use a cable release?
--
**** http://www.fototime.com/ {6C00EF89-F9D6-4CF6-A5AD-45D92E61E8F3} picture.GIF

Martin Daniel Kirk · Jan 27, 2005

Why use MLU, when AS is here ?

is the pictures where using MLU more RAZOR sharp then with AS alone ?

AS and finger-shooting on a tripod would, by my head be enough...

i dont have a D7 yet... but i think ill figure it out when i get one

Dennis · Jan 27, 2005

Absolutely ! That's my preferred mode, though if I'm lazy or can't find my short cable release and don't want to bother with the long one, I just forego the release ... haven't seen any negative impact due to vibrations lasting over 2 seconds !

Personally, I still wish for true MLU that's easy to access (unlike Canon's which most users gripe about being difficult to access through menus). A roll of 36 slides of songbirds I just took (400/4.5 + 1.4X at ISO 50 in a snowstorm gave me 1/20s shutter speeds, so MLU was in order) shows why ... it's really hit or miss whether a bird that's looking up at one instant is turning its head, preening, pecking at a seed 2 seconds later. So you shoot lots of extra shots. Which, of course, will be much less aggravating when I'm not spending $10 a roll on film & processing

Dennis

Dennis · Jan 27, 2005

I don't know that AS works in the same critical range of small vibrations that the mirror causes ... I've yet to see a critically sharp shot taken with AS ... lots of "acceptably sharp" shots, but not at the same level that you expect when you lock down a camera on a heavy tripod. Yet mirror shake can soften an image even when taken on a locked-down tripod.

Also, I wouldn't expect AS to be able to suddenly compensate for vibration that wasn't present before pressing the shutter release that is introduced by the mirror just before capturing the image ...

(I wasn't under the impression AS was designed to work with a camera on a tripod ...)

It would be awfully nice to be wrong in this regard !

Dennis

Rich Halferty · Jan 27, 2005

--
Regards,
Rich

Maxxum 5
Maxxum 7D
Minolta 24 f2.8
Minolta 28-75 f2.8 (D)
Minolta 75-300 f4.5-5.6 (D)
5600HS (D) flash
Minolta DiMage Scan Elite 5400
Canon i9900 Printer

'My camera is always ready to go shooting....usually, I'm right there behind it'
http://www.pbase.com/richal

PESKYP · Jan 28, 2005

Look at your drive mode control dial, it is the 2 second self timer. When you depress the shutter button to take a picture, the mirror is raised and locked 2 seconds prior to the lens opening.
Hope this helps.
PeskyP

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7D mirror lock up

Rich Halferty

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