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01-23-2009, 08:24 PM   #1
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help with Vivitar MC 2x Tele Converter

I have a Vivitar MC 2x Converter mounted with a pentax-DA 1:3.5-5.6 18-55mm AL, everytime I take a photo it comes out black......

any idea why this is happening?

01-23-2009, 08:29 PM   #2
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Post a shot with the EXIF information intact and we can probably help you figure it out.
01-23-2009, 08:45 PM   #3
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im not exactly sure how to do that, I have a ist DL
01-23-2009, 09:04 PM   #4
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this is one of the photos.....

01-23-2009, 09:09 PM   #5
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What was the aperture, exposure time and ISO. that is what is meant when someone asks for EXIF.
01-23-2009, 09:50 PM   #6
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F number: F0
Exposure Time: 1/90"
ISO: 200

on the camera when I try to adjust the Aperture it just reads ---

Last edited by wilkin; 01-23-2009 at 09:51 PM. Reason: didnt want to double post
01-23-2009, 09:52 PM   #7
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if you haven't guessed yet im a noob
01-23-2009, 10:49 PM   #8
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help with Vivitar MC 2x Tele Converter

Does the teleconverter have the contacts on the side that faces the camera? Send a pic of the back of the lens if you are not sure what I mean. If there are no contacts, the converter is not communicating with the camera.

01-24-2009, 06:09 AM   #9
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QuoteOriginally posted by wilkin Quote
I have a Vivitar MC 2x Converter mounted with a pentax-DA 1:3.5-5.6 18-55mm AL, everytime I take a photo it comes out black......

any idea why this is happening?
Yes. The 18/55 does not have an apature ring A/M switch to manually set f-stop and to the Vivitar is probaably a manual. That combination will not work. Even at wide open at 3.5 with 2x = f7 at 200 iso you would have a very dark photo.
Manual 2X multiplyr= shooting with Manual lenses. jim
01-24-2009, 06:20 AM   #10
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the Vivitar is a manual, I got a few photos that were some what visible but I had to set the camera up for a long exposure....

so for this converter to work I need fully manual lenses and/or lenses with the A stop?

is there a tele converter that would work with the 18-55 af lens? I read about a 2x auto tele converter, but im just not sure

Last edited by wilkin; 01-24-2009 at 06:38 AM. Reason: another thought
01-24-2009, 08:26 AM   #11
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Sure there is . It has to have the contact buttons on both sides of the tele-converter, that is on the Lense face plate of your camera. I have a Promaster Spectrum Z AF 1.7 qnd also a 2.0
auto They both auto focus and allow complete setup in any mode.
jim
01-24-2009, 10:30 AM   #12
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cool thanks!

appreciate all the help!
02-23-2009, 04:19 AM   #13
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Moved to accessory section (or lens section will be fine)
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