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07-06-2018, 04:09 PM   #1
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Having Problems with 75/FA 2.8 lens and the SD card

I just purchased the FA 75/2.8 Used and the lens will focus up to about 10 feet but its not focusing out to infinity. It looks blurry when you focus out to infinity. You can hear the motor in the lens turn to focus but not past the mid distance of about 10 feet and not after that
2nd Issue: I am using 2 Sandisk SD cards both 16GB. one slot says 999 and the other shows correct .
Any help is appreciated. Thanks The lens is used and rated at Excellent - Thank you

07-06-2018, 04:46 PM   #2
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1) Does manual focus work on your lens? Who rated it excellent, if it's a reputable seller with a return policy it sounds like you should return it if the lens' focus wont move past 10ft at all. Even if it's about failing to lock on the subject, it should at least rake through that distance while hunting. If you look through the viewfinder while it's trying to focus, 10ft focus on distant objects would look very blurry even to your eye.

2) Do you mean the number shown is how many photos are left? Try reformatting both in camera, and make sure you don't have one set to raw and the other to jpeg if you expect the number to be the same. edit: the part about raw+jpeg is if your camera has two card slots.

Last edited by aaacb; 07-06-2018 at 04:52 PM.
07-06-2018, 05:01 PM   #3
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I got the lens from Adorama and I know they will accept it as return. The SD1 has Jpeg and SD2 slot 2 is RAW +
The forum recommended to leave 1 SD slot to jpeg so I can preview/ Playback faster. Thank you I appreciate it
07-07-2018, 03:29 AM   #4
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I am unfamiliar With a 75mm F2.8 lens. Do you mean the DA 70mm f2.4? If you got it from Adorama, just return it because it is obviously defective.
If you are using Jpeg, a lot more photo's will fit on your SD card than shooting raw.

07-07-2018, 03:54 AM   #5
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QuoteOriginally posted by D1N0 Quote
I am unfamiliar With a 75mm F2.8 lens. Do you mean the DA 70mm f2.4?
This is the Medium Format section of the forums.


07-07-2018, 04:39 AM   #6
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Ok I just react to the side ticker and then don't see which forum I am in.
07-07-2018, 04:43 AM   #7
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Manual focus ok. I believe I found the problem. The AF points 2 were showing up when I tried to AF and did not out to infinity. Then I changed the AF focal point to 1 center one and the lens did AF out to infinity. I can't understand that. But now its ok.
One of the Senior Forum members on the Pentax forum explained how I can get Faster Playback. set 1 SD card to RAW + and the other SD2 card to Jpeg and it works faster. But the Jpeg SD2 card reads 999 Is that normal for what I want to do? Also, does the SD 2 card get the images on it in jpeg or no?

My question to you is: If the ISO is set to 200 rather than base of 100 is there ant difference in the IQ from 200 ISO? I would not think so but let me know what you think. Thank you for your help.
07-07-2018, 05:16 AM   #8
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QuoteOriginally posted by rollsman4 Quote
Is that normal for what I want to do?
That sounds normal to me. The camera shows an estimate of how many files would fit on the respective card in the space that's left available. If you choose raw+, raw or jpeg the number changes accordingly, and jpeg quality and size also are taken into account. It tops out at the number of segments on your lcd, which sounds to be 3, so you get 999.

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