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Forum: Troubleshooting and Beginner Help 08-21-2022, 09:13 AM  
Camera charging in national parks
Posted By pentasonic49
Replies: 33
Views: 1,251
I would have a spare battery for a trip like that as well as a charger. My K3ii and K5 both have original D-L190's and I also have an Energiser, plus a Hahnel which are pretty well as good.
What a miserable country, restricting photography in publically owned places.
Forum: Troubleshooting and Beginner Help 08-17-2022, 02:11 PM  
K1000 prism question
Posted By pentasonic49
Replies: 8
Views: 431
Yours may have a pentamirror, I don't think pentaprisms have much trouble.
I have just looked at the Wikipedia article for the K1000 and there is no mention of a pentamirror being used on the Chinese made models, only top and bottom plates being plastic and the use of more plastic gears.
Forum: Troubleshooting and Beginner Help 08-15-2022, 12:44 PM  
K1000 prism question
Posted By pentasonic49
Replies: 8
Views: 431
Yours will probably have Made in Japan on it, or Hong Kong and that along with the serial number would help to narrow down a donor from ebay. Some models may have a pentamirror, yours might be one of these. A spares or repair one would be best. I don't know how difficult it would be to change the pentaprism and get it realigned, there must be info somewhere on this forum.
Forum: Repairs and Warranty Service 08-15-2022, 11:55 AM  
SMC Pentax-F 50mm F1.7 Disassembly
Posted By pentasonic49
Replies: 18
Views: 3,484
Nice to see how to do things, I hope the thread will be easy to find in the future. I have one of these lenses, fortunately in pristine condition, you would have to pay double to go from 1.7 to 1.4, only half a stop.
Forum: Troubleshooting and Beginner Help 08-15-2022, 08:30 AM  
Is this lens haze?
Posted By pentasonic49
Replies: 29
Views: 1,379
I think fungus is just a matter of luck. Here in the UK, I keep all my lenses and cameras in the drawers at the bottom of a wardrobe, I have never taken any steps to deal with fungus growths and have never had any. That said, I rarely get any of my photographic equipment wet, and would be sure to keep any damp items out in a dry place with room for air circulation until they had at least 48 hours to dry off before putting them away. Silica jel is excellent for drying damp equipment, provided it is cooked in an oven at about 190C for an hour to expel the water on at least a monthly basis, an electric oven preferred.
Some of the pictures look more like dust than fungus
Forum: Troubleshooting and Beginner Help 08-12-2022, 12:28 PM  
Pentax PF-100ED Spotting Scope
Posted By pentasonic49
Replies: 6
Views: 402
My preference with spotting scopes is the angled eyepiece, it saves neck strain when using.
Forum: Troubleshooting and Beginner Help 08-12-2022, 12:25 PM  
SD card won't lock into place in KP
Posted By pentasonic49
Replies: 5
Views: 400
I would have tried the packing method before spending a fortune on repairs. I would have tried using the door to hold the card in place, possibly with a little packing stuck inside the door. Good luck with your method, Skolkmeier.
Forum: Troubleshooting and Beginner Help 08-12-2022, 10:35 AM  
Pentax PF-100ED Spotting Scope
Posted By pentasonic49
Replies: 6
Views: 402
Pentax spotting scopes are in the top quality range as are their astronimical telescopes, but they are hard to get hold of. This may be because owners covert them.
Forum: Troubleshooting and Beginner Help 08-12-2022, 10:32 AM  
why apsc lenses are best for apsc cameras
Posted By pentasonic49
Replies: 133
Views: 4,120
The advantage of using full frame lenses on an APSC camera is that the outer parts of the image are not used and most lenses have some drop off of resolution towards the edges. APSC lenses are no exception, but the drop off is still on the sensor area. Modern lenses should have improved antireflection coatings which should give them an advantage in certain lighting conditions. Full frame lenses tend to be larger, but my 16-50 Pentax is no compact lens, and that is an example of zero full frame compatibility.
Forum: Troubleshooting and Beginner Help 08-12-2022, 07:40 AM  
Sigma 75-300mm lens on Pentax K10D
Posted By pentasonic49
Replies: 22
Views: 585
I have a lot of lenses including a kit 18-55 WR which is a keeper, very good results for a relatively cheap lens, as are all the slight variations. I used to have a Sigma 70-300 APO which was very good, I regret selling it, although it has since been replaced by a Pentax 55-300, which is slightly better. It depends what type of photography you like best, go for the tele zoom first, and then think of something wider than your kit lens. A standard 50mm will give better definition, any one will do although those with the A on the aperture scale are much easier for beginners to use, and autofocus is not essential either.
Forum: Troubleshooting and Beginner Help 06-03-2022, 08:04 AM  
Shutter count not available
Posted By pentasonic49
Replies: 9
Views: 532
I got a shutter count recently for a K20D from the link on this forum, a jpeg was required.
Taking raw and then converting to jpeg may not work.
Forum: Film SLRs and Compact Film Cameras 05-10-2022, 08:43 AM  
SF1N vs. PZ1P
Posted By pentasonic49
Replies: 31
Views: 1,245
I have just tried my Z1P and it is quite noisy, the MZS is better, but they are both clangers alongside my K3II shutter.
Forum: Film SLRs and Compact Film Cameras 05-10-2022, 08:39 AM  
Visual checking of shutters.
Posted By pentasonic49
Replies: 1
Views: 433
I have found out a way of getting some autofocus Pentax slr's to fire their shutters with the film door open or detached.

If you put a screwdriver blade in the slot in the body where the door catch fits and slide the blade towards the top of the slot, there is a click and the body is fooled into thinking that the door has been shut. The shutter can then be seen opening and shutting and an idea of whether it is working is easy to see.

When this worked on my Z10, I tried it successfully on the MZS and Z1P also. The door shuts normally after doing this.
Forum: Film SLRs and Compact Film Cameras 05-10-2022, 08:26 AM  
Z10 dilemma
Posted By pentasonic49
Replies: 6
Views: 751
When I sold my K100D, I included a set of AA lithium's, it was never happy with the lower voltage alkalines or rechargables. I made sure the buyer was aware of this in the advert.
I will be starting a thread on the battery door trick, it could be useful when people are checking the shutters of some cameras.
Forum: Film SLRs and Compact Film Cameras 05-07-2022, 02:42 PM  
Z10 dilemma
Posted By pentasonic49
Replies: 6
Views: 751
I will be film testing the Z1P and the MZS in the near future as I have given up film. I had a film cannister with some screws in it salvaged from a lens but without its lid. It got knocked over behind my computer screen and after picking up all the parts, I found that none were exactly right. After finding that the Z10 was pretty likely to be a usable camera today, I happened to be looking for something else behind the monitor and was gobsmacked to see a tiny screw that had been missed, exactly the right size. So there is no reason to butcher the Z10 after all. I think that when the Z1P is sold, the Z10 may well be found hiding in with it when the buyer opens the box.

By the way, the secret way of getting the camera shutter to work with the back open is to poke a screwdriver in the slot in the back of the body where the door catch fits. The top of the slotis the exact spot and push upward. It also works with the Z1P and MZS.
Forum: Film SLRs and Compact Film Cameras 05-07-2022, 10:52 AM  
Z10 dilemma
Posted By pentasonic49
Replies: 6
Views: 751
I need a screw to replace one lost from my Z1P and have just got a Z10 from ebay for 10. Advertised as spares or repairs and it was delivered today. It looks new and when I put a battery in it, everything seems to work. I even found out how to fool the camera into thinking that the back was closed to visually check the shutter speeds and the flash sync. The poor thing does not deserve destroying, but nobody wants low end slr cameras and if I used it I would have to get a correction lens for the eyepiece.:(
Forum: Troubleshooting and Beginner Help 04-17-2022, 02:32 PM  
Lens Camera not communicating
Posted By pentasonic49
Replies: 10
Views: 487
If the fault lay with the lens, it would show up on all the cameras equally, so I think the KX is to blame.
Forum: Troubleshooting and Beginner Help 04-17-2022, 02:19 PM  
MZS dial problem.
Posted By pentasonic49
Replies: 1
Views: 302
I think I have solved the problem myself, luckily, after googling for any info on the MZS, there was a link to learncamerarepair.com, and I found out how to remove the top cover. I did not detach any of the wiring, but could see the bottom of the rotary switch inside the top cover. Having nothing better, I put a little WD40 into a plastic container and used a little cable tie to administer a tiny ammount to the bearing. Without the service manual I would never had found all the screws holding the top on, one was accessed from the underside of the camera inside the battery compartment. After reassembling everything, I exercised the rotary switch and to my relief it has got a lot easier to rotate.

https://learncamerarepair.com/downloads/pdf/Pentax-MZS-Service.pdf
Forum: Pentax SLR Lens Discussion 04-17-2022, 11:37 AM  
Plastic lens mounts -UPDATE- it's not the mount
Posted By pentasonic49
Replies: 32
Views: 3,047
I have had to get rid of most of my film era straps as well as the K10D one because of the plastic crumbling, what a mess. The only old one that has survived is for the Z1P.
I have a couple of OP/TECH USA straps that are 14 years old and still like new.
Forum: Troubleshooting and Beginner Help 04-17-2022, 11:26 AM  
MZS dial problem.
Posted By pentasonic49
Replies: 1
Views: 302
I got my MZS out the other day, I shall have to study the manual to find out how to use it after so long. Trouble is that the right hand rotary dial is very hard to move, and could do with some sort of lubrication. Could this be done without dismantling the top of the camera? Or are there any instructions on how to remove the top?
Forum: Film SLRs and Compact Film Cameras 04-10-2022, 08:08 AM  
Pentax MZ-5 autofocus unreliable/unstable
Posted By pentasonic49
Replies: 11
Views: 810
I'm with NAN in looking for something obstructing the autofocus optics. It may be necessary to have the mirror in the up position to see the autofocus unit.

https://learncamerarepair.com/product.php?product=730
Forum: Troubleshooting and Beginner Help 04-10-2022, 08:01 AM  
What does the type "A" lens do automatically and in which settings?
Posted By pentasonic49
Replies: 17
Views: 855
If you get an A lens, the aperture control and metering work exactly like an autofocus lens without an aperture ring. Some autofocus lenses also have an aperture ring which has to be set to A for the same features. Manual focus A lenses have to have their focal length set in the camera to optimise shake reduction, this is limited with manual focus zoom lenses, unless you change that setting to match the focal length being used.
Forum: Troubleshooting and Beginner Help 04-10-2022, 07:38 AM  
Clackers' Beginners Tip 15: Why Black and White?
Posted By pentasonic49
Replies: 15
Views: 1,153
The advantage with modern digital cameras over film is the ease with which you can experiment from colour to black and white and a multitude of intermediate settings completely cost free.
Forum: Troubleshooting and Beginner Help 04-10-2022, 07:22 AM  
Da*16-50 2.8 sdm
Posted By pentasonic49
Replies: 17
Views: 888
My copy of this lens is one of the first made and the SDM failed after about 2 years. I followed the video instructions on this forum and dismantled the rear of the lens and used a small JIS crosspoint screwdriver to exercise the SDM motor, it will turn backwards add forwards and then a stop is felt. The screw did not loosen during this proceedure. This fix lasted a few months before the old problem was back. My fix was to dismantle the lens again and drill a hole in the backplate in line with the screw, so I could exercise the motor without dismantling the lens again. The hole is inboard of the sealing ring so water resistance is not compromised. The SDM still works after about 14 years, sometimes requiring use of the screwdriver which is kept in the camera bag. I don't use the lens much, if it was in frequent use the SDM might never have failed.
Having a quick look at the German tutorial reminded me that I managed to loose one of the tiny gold springs while dismantling the lens the second time, not down inside the lens, fortunately. I decided to sacrifice an unloved 28-90 and the parts were identical, I still have the spare springs and pins in a film canister.
Forum: Troubleshooting and Beginner Help 10-08-2021, 09:35 AM  
lenses to stay clear of
Posted By pentasonic49
Replies: 80
Views: 6,362
I sold my 28-300 Sigma superzoom on ebay in mint condition, and mentioned in the advert that it's resolution was not great at any focal length, but would be fine for pictures in an album and the buyer was very pleased with it.
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