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Forum: Monthly Photo Contests 04-07-2019, 01:21 PM  
Submission for "Lanscape in Color" contest
Posted By White Dog
Replies: 12
Views: 165
I would like to nominate this photo
Forum: Monthly Photo Contests 04-07-2019, 12:51 PM  
Awaiting the rain
Posted By White Dog
Replies: 26
Views: 354
I would like to nominate this photo
Forum: Monthly Photo Contests 04-07-2019, 12:46 PM  
First light on the Range
Posted By White Dog
Replies: 14
Views: 261
I would like to nominate this photo
Forum: Monthly Photo Contests 04-07-2019, 12:43 PM  
Waiting for the geese
Posted By White Dog
Replies: 9
Views: 180
I would like to nominate this photo
Forum: Monthly Photo Contests 03-09-2019, 09:44 PM  
Submission for "Lanscape in Color" contest
Posted By White Dog
Replies: 12
Views: 165
This shot is from Big Bend National Park in Texas, along the Rio Grande river near the hot springs
Forum: Pentax Forums Giveaways 01-17-2016, 06:03 PM  
READ ME! Pentax Tips from the Community (55-300mm Giveaway)
Posted By White Dog
Replies: 773
Views: 92,406
Always remove the lens cap before taking your picture! :lol:
Forum: Troubleshooting and Beginner Help 05-22-2015, 07:04 PM  
Help with high speed sync with LS lens
Posted By White Dog
Replies: 10
Views: 1,175
ok, the tape over the contacts also worked on my 135mm LS with both the speed light and studio strobes.

Chris,
FYI, Salpardido was the other guy I mentioned, he said that he was working with somebody from Pentax. HE will let us know via this thread what they find!
Forum: Troubleshooting and Beginner Help 05-22-2015, 05:30 AM  
Help with high speed sync with LS lens
Posted By White Dog
Replies: 10
Views: 1,175
Great new Chris!

So what do you think is not working correctly, the camera or the lens? it would be nice to get this working without having to have a work around! if it is the camera, maybe a new firmware revision can remedy the situation or do I need to get the lens repaired?

I will try this later when I get home from work!

thanks and regards,

John
Forum: Troubleshooting and Beginner Help 05-20-2015, 05:19 AM  
Help with high speed sync with LS lens
Posted By White Dog
Replies: 10
Views: 1,175
Hi Chris,

Could you elaborate on what you did? were you using the LS lens with continuous lighting and still got only a partial part of the picture exposed?

I got a new speed light with a 2.5mm sync jack to try, although more of the frame was exposed, it still did not work correctly! The sync cable I got is very loose
on the lens and will almost fall of if the lens in inverted! So I got another cable on order and will try it once it arrives.

If I ever get resolution, I will update this post for sure! There is another user here having the same problem and I asked him to be sure to update me if he gets a fix!
I am suspecting the camera body itself! but I don't know how to prove it!


Also , per sterretje suggestion, I forgot to set the new speedlight up as HSS, I will try that as well.
Forum: Troubleshooting and Beginner Help 05-02-2015, 10:08 PM  
Help with high speed sync with LS lens
Posted By White Dog
Replies: 10
Views: 1,175
I am not using a speedlite, I don't have one with an external sync jack! I will be buying a Yongnuo HSS that comes with a 2.5mm external sync jack.

I plan on trying a different Flash, and different sync cables.

I am using studio strobes, it's a Novatron 1500vr. with a wired sync cable to the power pack.
Forum: Troubleshooting and Beginner Help 05-02-2015, 09:28 PM  
Help with high speed sync with LS lens
Posted By White Dog
Replies: 10
Views: 1,175
Hi,

I got a 645z and the LS 135 lens. I am trying to get the High speed sync working reliably, anything above 1/60th! Unless I am badly mistaken, I tested the lens at all speeds and everything worked, at least once! Unfortunately, the exif information shows "F--" for shutter speed, so I can't go back and see that I wasn't just dreaming about it working at 1/60th, 1/125th, 1/250th, and 1/500th. :( I made sure the camera was set to "single frame shooting". According to the LS135 manual, the 645 automatically sets the cameras focal plane shutter to 1/8th, I switched out of LS mode and set the cameras shutter to 1/8th. I cock the lens, take the shot. 1/60th is rock solid, the whole frame is exposed, for testing purposes, I will re-cock the leaf shutter, change the leat shutter speed to 1/125th, some times, I will get the full frame exposed, other times, the top half of the picture is dark, and now, I never get more then a sliver of exposed region, with the top part being dark! I am suspecting the camera focal plane shutter? or I am missing some set up step, or setting?

Any help with be greatly appreciated!
Forum: Welcomes and Introductions 05-01-2015, 08:57 PM  
Hello, Ola, Hola, Hallo , Kamusta, Dzien' dobry, Guten Tag, Ahalan, Nei Ho,
Posted By White Dog
Replies: 2
Views: 613
Howdy Ya'll

I am from Texas! No, I don't have a horse, oil wells, pickup truck, or even cowboys boots but was born and raised here in Texas!

I got several cameras but I just got the Pentax 645z and a whole mess of 645 lenses, more specifically, I got the LS 135mm and was doing some tests in the leaf shutter mode! I am sure that initially it worked at 1/500th shutter speed ( the exif info is blank for the shutter speed!), but I started putzing around with the strobe lights and now I can't get it to work with anything above 1/60th ( 1/125, 1/250 and 1/500 ) which kind of negates the whole reason why I even got the LS lens in the first place! Yes, I am cocking the leaf shutter, and it is in leaf shutter mode. At 1/125th about 2/3 of the frame from the bottom is exposed, at 1/250th it is only about a third, and at 1/500th there is a tiny slice that is exposed.

If anybody can help me out it would be greatly appreciated? Either send me a private message of repond to this thread.

thanks
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