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Forum: Pentax Camera and Field Accessories 5 Days Ago  
Pentax Flower Photography Backdrop Accessory
Posted By Not a Number
Replies: 5
Views: 512
What we have here is "fake bokeh" :lol:

Can anyone make out what camera body is in the last photo?
Forum: Pentax SLR Lens Discussion 5 Days Ago  
Smc 1:2.8 30mm stuck ring when cleaning.
Posted By Not a Number
Replies: 11
Views: 479
I've not known Asahi / Pentax to use thread locker in these areas but anything is possible. I've not taken apart any M or K series lenses.
Forum: Pentax K-30 & K-50 5 Days Ago  
Should I expect solenoid failure on a K-50
Posted By Not a Number
Replies: 30
Views: 962
Whoops, moved thanks. :lol:
Forum: Pentax SLR Lens Discussion 5 Days Ago  
Smc 1:2.8 30mm stuck ring when cleaning.
Posted By Not a Number
Replies: 11
Views: 479


From this photo it looks like there are the typical slots for a spanner wrench (almost in line with the screw visible on the left).

The part you removed is the front element lens group. If you needed acetone to remove it that suggests a thread locker was used and perhaps the lens has been serviced before.
Forum: Pentax SLR Lens Discussion 6 Days Ago  
Smc 1:2.8 30mm stuck ring when cleaning.
Posted By Not a Number
Replies: 11
Views: 479
If you mean the thin ring around the lens with the two slots then you need a lens spanner wrench to remove it. Removing this ring should release the front element which sounds like what you want to clean.
Forum: Troubleshooting and Beginner Help 6 Days Ago  
K3 MKIII Vibration on Start and cannot take photos except in live view
Posted By Not a Number
Replies: 18
Views: 772
It may be the dust removal is malfunctioning. Try disabling dust removal at startup and see if that makes a difference. It may not solve the underlying problem but may give you a temporary workaround.
Forum: General Photography 6 Days Ago  
"Macro" mode for negative scanning (Pentax-F 35-70 or Pentax-A 70-210)
Posted By Not a Number
Replies: 23
Views: 885
Most of the vintage slide duplicators and indeed the current one from Ricoh/Pentax flash is aimed directly at the diffusion screen on the film/slide holder. Some of them even have an extension rail with a flash shoe on the rail.
Forum: Film SLRs and Compact Film Cameras 6 Days Ago  
What is your eBay success rate on vintage cameras?
Posted By Not a Number
Replies: 44
Views: 1,100
I've only bought one camera off eBay and I wanted it more for the lens and flash. It was a Lester Dine macro kit on a Pentax MZ/ZX-50. The flash and lens were in excellent condition. The body suffered from the popup flash spring problem and the mirror locked up on the first or second test shot I tried. Apparently the mirror motor pinion gear had started to split since the last time it was used by the previous owner.

I don't think it is worth my time doing a DIY fix.
Forum: Film SLRs and Compact Film Cameras 6 Days Ago  
hairline mark in PZ-1 viewfinder?
Posted By Not a Number
Replies: 7
Views: 358
If the line isn't visible when looking through the viewfinder normally, e.g. focusing or composing a shot, then I wouldn't worry about it. When you look through the viewfinder from a distance you are not focusing on the "virtual image" reflected from the mirror but rather the surfaces of the prism.
Forum: Pentax SLR Lens Discussion 08-04-2022, 01:46 PM  
DA 16-85 AF issues
Posted By Not a Number
Replies: 11
Views: 516
The "knock" could have jarred some of the internal contacts out of alignment. If the problem happens more frequently within a range of focal length settings I would suspect this is the case.
Forum: General Photography 08-03-2022, 02:34 PM  
"Macro" mode for negative scanning (Pentax-F 35-70 or Pentax-A 70-210)
Posted By Not a Number
Replies: 23
Views: 885
Yes, as suggested before you should get a dedicated macro prime lens. Macro mode on a zoom lens usually means the lens can close focus under 1 meter and magnification can be around 1/4 to 1/10th. Not really macro.
Forum: Troubleshooting and Beginner Help 08-02-2022, 08:51 PM  
K-x eating batteries fast
Posted By Not a Number
Replies: 16
Views: 550
Make sure to set the battery type manually and not use "Auto". "Auto" often picks the incorrect type so the power profile is off.
Forum: Film SLRs and Compact Film Cameras 08-02-2022, 01:14 PM  
Anyone have luck replacing the winding/take-up gears on the K1000?
Posted By Not a Number
Replies: 1
Views: 290
Service manuals can be found by searching online. These may give you an idea of what is involved.
Forum: Pentax DSLR Discussion 08-02-2022, 02:25 AM  
K10D erratic shutter speeds
Posted By Not a Number
Replies: 10
Views: 440
Is by chance bracketing enabled?
Forum: Pentax DSLR Discussion 08-01-2022, 08:18 AM  
K10D erratic shutter speeds
Posted By Not a Number
Replies: 10
Views: 440
Like all things mechanical the edials are known to wear out and need adjustment, cleaning or repair. There are several threads on this, try using the search function for "edial repair" or "e-dial repair.

Cleaning may be a simple operation but the disassembly required to access the components may not be. This should be covered in detail in the threads on the subject.
Forum: Repairs and Warranty Service 07-30-2022, 12:00 PM  
DA* 16-50 PLM repair pending
Posted By Not a Number
Replies: 5
Views: 564
So it took about 8 weeks including shipping. Thanks for the followup and and glad for a happy ending.
Forum: Pentax News and Rumors 07-30-2022, 11:51 AM  
Pentax O-GPS2
Posted By Not a Number
Replies: 36
Views: 4,123
No, actually the battery life is less depending on the temps:

O-GPS1:
approx. 7 hours (23C) / 4 hours (0C) with alkaline battery
approx. 7 hours (23C) / 5 hours (0C) with nickel-metal hydride battery
approx. 12 hours (23C) / 9 hours (0C) with lithium battery

O-GPS2:
approx. 5 hours (23℃) / 3 hours (0℃) with alkaline battery
approx. 5 hours (23℃) / 5 hours (0℃) with nickel-metal hydride battery
approx. 9 hours (23℃) / 9 hours (0℃) with lithium battery

The operating time is a guide based on our measurement conditions. It may vary depending on usage conditions.

Specifications | GPS UNIT O-GPS1 | RICOH IMAGING
Specifications | GPS UNIT O-GPS2 | RICOH IMAGING
Forum: Photographic Industry and Professionals 07-27-2022, 11:29 AM  
The end of the SLR
Posted By Not a Number
Replies: 90
Views: 3,223
I thought Vivitar sold Vivitar branded SLRs, most likely re-branded Cosina bodies. Isn't Cosina known more for their lenses than bodies?
Forum: Pentax K-1 & K-1 II 07-26-2022, 10:27 PM  
Pentax K-1 mode dial issue
Posted By Not a Number
Replies: 8
Views: 473
Ummm, alcohol, especially at that percentage, can dissolve many rubber compounds. I was thinking that perhaps the weather sealing gasket had started to shred.
Forum: Photographic Industry and Professionals 07-26-2022, 03:14 PM  
The end of the SLR
Posted By Not a Number
Replies: 90
Views: 3,223
Ricoh could continue to collaborate with Third Party lens makers as they have in the past with Tamron.
Forum: Pentax K-70 07-26-2022, 03:01 PM  
meter disply in view finder on manual
Posted By Not a Number
Replies: 3
Views: 321
It should be on if the lens is in "A" mode and the electronic level (if any) is off. When you switch to Av or Tv does the viewfinder show an aperture setting or F--? If the latter than the "A" mode switch on the lens isn't working. Try cleaning the contacts first off.
Forum: Welcomes and Introductions 07-26-2022, 08:25 AM  
Hello from England
Posted By Not a Number
Replies: 9
Views: 261
Thanks for the compliments and Welcome to the forums.
Forum: Photographic Technique 07-26-2022, 08:24 AM  
Av for digital; Tv for vintage film
Posted By Not a Number
Replies: 9
Views: 414
Right, prior to automation say on the Minolta SRT-101 I would usually set the aperture first, then the shutter speed. Again it depended on what I was shooting.
Forum: Photographic Technique 07-26-2022, 08:04 AM  
Av for digital; Tv for vintage film
Posted By Not a Number
Replies: 9
Views: 414
Back in the SLR hey day I remember the ads and the debate over which were better cameras: Aperture Priority (Av) or Shutter Priority (Tv) automation. It seemed more of the manufacturers preferred Aperture Priority emphasizing the creative/artistic choices. Most notably Canon preferred Shutter Priority and they marketed their products towards action and sports photography, which is probably why they dominate the field even today.

Of course the debate became somewhat moot when Minolta released the the XD7/11 which was the first commercially available camera to feature both modes.

Basically now as then it boils down to using the tools that best suit your style/workflow.

Personally then as now I prefer Av mode as I like having control over the DOF. If I wanted to "freeze the action" or soften the flowing water I could always manipulate the shutter speed indirectly through the aperture setting.
Forum: Troubleshooting and Beginner Help 07-25-2022, 08:16 PM  
Two marks above focus ring. Which to use?
Posted By Not a Number
Replies: 20
Views: 728
Thanks, I did not know this.
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