Question about Pentax MX 35mm SLR Camera

1 Answer

Hi, The side of the photo came out to be blacked due to malfunction of curtain when shot at 1/1000, 1/500, or even 1/250. I don't know what to do. I just love this camera...

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.

    Brigadier General:

    An expert that has over 10,000 points.

  • Master
  • 3,006 Answers

The camera needs a professional service. If you're lucky the fault is just due to gummed-up, dried-out, lubricant films but if luck is against you you'll need a new shutter assembly (highly likely). Spare shutter assemblies are not easy yo come by, so if the repairer tells you that the shutter is broken you may be better to look for another camera.

35mm SLR's are mostly worthless or nearly so these days except for a few professional grade models, so getting a replacement is not difficult if you're prepared to accept different makes/models.

Posted on Aug 08, 2010


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

My flash is not working its either to bright or black

Look.. go to menu , find flash option .. enter it.. go for TTL option in flash . If you are trying to do manual settings then you have to understand flash power before every shot. TTL mode will automatically decide the flash settings for you.

Every camera has a flash sink speed.. above which it will not work.. and you will have either black bands on the image or full black . So shutter speed should be maximum 1/200 or 1/250 (which ever is your sink speed) . Check the manual ..

Another option for malfunctioning flash can be due to improper opening of the popup flash head. Many a times if the spring used in the flash gets weak and cannot lift up the flash completely. So the flash won't trigger and you will have an under exposure or black photographs.

Too much bright flash can be also due to the circuit problem , but this is very rare and can be rectified by a service center only.

Check if any of the above guidelines can help you and inform.

Jun 25, 2015 | Nikon D3200 24.2 MP CMOS Digital SLR with...

1 Answer

Display is not capture photo

The problem is not in the display but something get malfunctioning. Check it again and reply me back.

Sep 15, 2013 | Sony Cyber-shot 10.1-Megapixel Digital...

1 Answer

Recover Videos from Cybershot due to Recycler virus

You can try to use Tenorshare Photo Recovery which can recover photos, videos from camera, know more here:

May 28, 2013 | Sony Cyber-shot DSC-W170 Digital Camera

1 Answer

How to do remove roll from sheet path?

Its malfunction of sheet path paper sensor due to dust, don't open any thing just high pressure air pump required(ex bicycle pump)blow on sheet paper path sensor located just left above of paper roll path(look black "U" shaped, blow air in it.. check it will get resolved... Reason:the IR paper sensor shell having very small path(holes both side) to run the IR beam to other side, if the dust accumulate on IR diode the rays unable to travel to other side, result malfunction of sensor, if we blow presser air on it, dust will clean & sensor will work normally.. Its not funny will work try it...

Sep 02, 2011 | HP DESIGNJET T770 Printer

1 Answer

Taking photo and 3/4 of the image is black with only a strip of the actual photo taken...whats going on?!

Hi rep91, sure have a trouble in shutter curtain some blade of the opening curtain out of place.
Does it hit?

Mar 17, 2011 | Nikon D3000 Digital Camera

1 Answer

I am using a Nikon D200. When using flash I can't raise the shutter speed any higher than 1/250. It seems to be locked there and I don't know how unlock it. Please help.

That's entirely correct. 1/250th is the fastest shutter speed you can use when using flash. Many other cameras can still only use 1/60th or 1/125. It's all to do with the two curtain nature of an SLR shutter: when you release the shutter, one curtain withdraws across the frame to expose and then a second one follows behind to shut off the light source. For exposures of 1/250 or slower on your camera, the second curtain does not start to travel across until the first one has fully opened, so you have a fully open exposure frame allowing the flash to reach every part of the sensor. At faster speeds, the second curtain sets off before the first one has finished and at the highest speeds it's so close behind the first that only a narrow **** is open to the incoming light as the shutter curtains pass across the sensor. If you fire the flash at these speeds the shadow of the first or second (or both) curtains will appear on the sensor and the picture will look like a narrow horizontal band, or if using fill in flash, it will look like a bright band across the picture.

It's immaterial though as the normal exposure rules don't apply with flash: the flash duration is typically anywhere from 1/4000th to 1/50000th and in that exposure time it outputs sufficient light onto the subject to enable a photo to be captured. As the flash is the dominant light source, the ambient light captured when the shutter is open for 1/250th is insignificant unless you're making a daylight exposure and using the flash for fill in purposes.

There are some specialist SLR and flash combos which will allow the full range of shutter speeds, but they do so by firing the flash multiple times very rapidly to ensure that there is flash light present effectively continuously as the narrow exposure **** passes across the sensor.

Compact cameras have shutters which work differently and which fully expose the sensor at all shutter speeds, so in that respect they can have a far more flexible flash exposure system. Unfortunately, they ruin it by having pathetically weak built-in flashes which are only good for very short distances.

Sep 03, 2010 | Nikon Cameras

4 Answers

Nikon D90 rear curtain sync will shoot flash twice

That is most likely the TTL preflash and should not show up in your final exposure.

Try setting the flash control to manual (e2 under the Bracketing/Flash menu). That should give you only the one flash at the end.

Aaron Gum

Mar 06, 2009 | Nikon D90 Digital Camera with 18-105mm...

1 Answer

Cyber-shot dsc-h2 is the camera i have

hi .. sir
1. plug in to pc .. using USB cable..
so that u can delete all photos easly..
2. in cyber - shot u there is a option "mark all "so that u all delete all the files..
3. or another way format the memory card. it will delete all the files..
thank u sir..
don't forget to rate it..

Sep 03, 2008 | Sony Cyber-Shot DSC-S40 Digital Camera

1 Answer

Problem with print

It sounds like your shutter may be failing.

The N80 has a vertical travel focal plane shutter. This is essentially two curtains that travel across the film plane. At lower shutter speeds, one curtain opens up the shurter, you wait, then the next one travels across, stopping the exposure. At faster speeds, though, they both move together, leaving a small gap between them to let light through.

If the first shutter curtain isn't always making it all the way to the top, this could give you just what you're seeing -- a black band across the top of the photo. One blank negative may well indicate that your shutter failed completely on that shot.

This is something best handled by a camera repair shop. It could possibly just be some dirt in the shutter mechanism, which would be fixed by a good CLA (clean, lube, adjust) ... that's no a bad idea if it's an older camera anyway. However, it could be more than that. It won't be clear which without getting down into the camera itself.

Nov 30, 2007 | Nikon N80 35mm SLR Camera

1 Answer

All photos underexposed, changing settings does not help

defective shutter curtain opening, it needs pro service. Shutters have life expectancy around 5thou to 10 thou shots.

Jul 29, 2007 | Canon Rebel XT / EOS 350D Digital Camera

Not finding what you are looking for?
Photography Logo

Related Topics:

49 people viewed this question

Ask a Question

Usually answered in minutes!

Top Pentax Photography Experts


Level 3 Expert

538 Answers

Bill Eager

Level 3 Expert

433 Answers

Donald DCruz
Donald DCruz

Level 3 Expert

17130 Answers

Are you a Pentax Photography Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides