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Forum: Monthly Photo Contests 11-13-2022, 01:04 PM  
Dandelion
Posted By pentageek
Replies: 17
Views: 67
I would like to nominate this photo
Forum: Pentax SLR Lens Discussion 11-28-2021, 03:16 PM  
Help me decide 18-135 or 16-85
Posted By pentageek
Replies: 94
Views: 3,563
I had 18-135, and I have 16-85. Pros and cons of both:

18-135:
+ lighter, smaller, and cheaper
+ extra reach
- 2mm narrower on wide end, (if you need wide angle)
- for me image quality was a disappointment, but maybe my copy was flawed


16-85:
- bigger, heavier, and more expensive
- shorter reach (if you need sort of short tele like 135mm)
+ extra 2 mm on wide end (again, if you need it)
++ outstanding image quality

I sold my 18-135 and never regretted it.
Forum: Pentax SLR Lens Discussion 11-17-2021, 03:53 PM  
Is Pentax HD PENTAX-D FA 28-105mm f/3.5-5.6 ED DC WR Lens a good travel lens for K-5?
Posted By pentageek
Replies: 50
Views: 1,942
I would go with 16-85 if it is within budget. It's great lens, heavy, but very capable. Plus, if your daughter needs wide angle, it adds extra 2mm compared to 18-135.
Forum: Film SLRs and Compact Film Cameras 11-04-2021, 04:42 AM  
Remove old, crusty Velcro glue from leatherette
Posted By pentageek
Replies: 25
Views: 997
Definitely - I had to remove residue of glue from old masking tape, and cooking oil worked great. The method is rather slow, but safe for many delicate surfaces, like plastics or furniture.
Forum: Troubleshooting and Beginner Help 10-06-2021, 02:31 PM  
IR Remote Control Light
Posted By pentageek
Replies: 10
Views: 932
K-1 Mark II manual, page 65: 'The Fn button cannot be used'. The same for K-1 Mark I.
Forum: Pentax K-3 III 07-23-2021, 04:18 PM  
Two weeks with the K-3iii
Posted By pentageek
Replies: 19
Views: 2,135
Thank you for sharing. How would you describe Auto Focus? Is it significantly better than in K-3?
Forum: Photographic Technique 07-23-2021, 04:14 PM  
Glider ride
Posted By pentageek
Replies: 22
Views: 1,089
Very sensible advice. Even in large two-seaters there's not much space inside a cockpit, so operating a DSLR might be problematic.Most likely you will be flying in the front seat*, and most (if not all) gliders have a small opening (a sort of window) in the canopy for ventilation purposes. Its size is sufficient for gopro, even on a stick**, or medium sized lens without hood. Forget about long tele lens as there's simply not enough room to operate it. If you purchased longer (thermal) flight you can ask your pilot if you can get close ('close' means between 100 and 200 m) to another glider - this is safe and pretty common situation in thermal flights, an may offer a very nice photo opportunity. If your flight is going to be on aerodrome traffic circle, you have several minutes at relatively low altitude (300 - 500 m above ground level) to take pictures. Ideally, you should purchase two flights:) one to enjoy the ride, and another one to take pictures:) As per focal length, I would go with 20 or 14 mm, 31mm may make sense for objects on the ground during flights at lower altitude, like during flights in aerodrome traffic circle. As others wrote, operating a polarizing filter is usually very problematic (albeit feasible), besides this sky gets slightly darker when you gain altitude. Last, but not least, if you plan any aerobatics, holding a gear in hand will present extra challenge:)


*) I have not seen even single flight with adult passenger in a rear seat. However, it may happen if the passenger is very light, as two-seater gliders require a minimal mass in the front cockpit. Depending on a glider, minimal mass of a person in front cockpit might be like 50 or 60 kg,
**) glider's speeds are relatively low, for cruising and thermals they are usually between 80 - 90 kph, so you can safely stick out a gopro if you wish (but please do not open the canopy:).
Forum: Pentax Price Watch 06-26-2021, 06:43 AM  
IDrive cloud backup on sale
Posted By pentageek
Replies: 2
Views: 432
Standard price is USD 69.50 per year. As per retrieving files, I've got idea, I started first backup yesterday.
Forum: Pentax Price Watch 06-25-2021, 03:09 AM  
IDrive cloud backup on sale
Posted By pentageek
Replies: 2
Views: 432
IDrive.com offers very nice discount - 5TB of cloud backup at USD 6.95 for first year. I've just started to use it, so I cannot tell how good (or bad) the service is, but at this price, I think it's worth a shot.

Cloud Backup and Storage Solutions 2021 | IDriveŽ
Forum: General Photography 06-13-2021, 06:14 AM  
When a NASA Shuttle Sailed to Houston
Posted By pentageek
Replies: 12
Views: 801
Thank you for sharing - the move was outstanding engineering feat, and as we can see in your photos, also very interesting photographic opportunity.
Forum: Troubleshooting and Beginner Help 06-05-2021, 11:24 AM  
IR Remote Control Light
Posted By pentageek
Replies: 10
Views: 932
You're welcome:) Have fun with remote control!
Forum: Troubleshooting and Beginner Help 06-03-2021, 03:23 AM  
IR Remote Control Light
Posted By pentageek
Replies: 10
Views: 932
I believe 'setting the illumination of the indicator lamp' (not 'illumination button') should do the trick.

Forum: Pentax K-1 & K-1 II 05-15-2021, 01:33 PM  
K1 and Sigma 150-500mm OS
Posted By pentageek
Replies: 10
Views: 1,150
Maybe with Mark II, or with old firmware. I believe we can make AF buttons work in your camera, if you are interested, please drop me PM.
Forum: Pentax K-1 & K-1 II 05-11-2021, 03:13 PM  
K1 and Sigma 150-500mm OS
Posted By pentageek
Replies: 10
Views: 1,150
... and this is 'AF2' mode - in 'AF1' both buttons trigger AF, at least in my K-1 - I've just tested it again prior before I wrote this message:) OS is being activated automatically together with AF (if Sigma's switch 'OS' is in position 1 or 2).
Forum: Pentax K-1 & K-1 II 05-09-2021, 03:10 PM  
K1 and Sigma 150-500mm OS
Posted By pentageek
Replies: 10
Views: 1,150
Well, I've got this parameter set to 'Enable AF1', and AF activates when I either press AF button, or half-press the shutter. All this with K-1 Mark I and Sigma 150-500 OS HSM.
Forum: Flashes, Lighting, and Studio 04-20-2021, 03:07 PM  
Creative Ring Flash Use DFA 100
Posted By pentageek
Replies: 11
Views: 852
I use Viking ring flash (with F 100 lens), and the part mounted on the lens seems to be relatively light - I have never worried about excessive load. Having said this, I have to admit that Vivitar Macroflash 5000 (mentioned earlier) has got large ring, which could potentially be too heavy for comfortable and safe use.
Forum: Pentax Camera and Field Accessories 03-04-2021, 03:22 PM  
The screen died on my KS-2, so I improvised.
Posted By pentageek
Replies: 14
Views: 1,140
The failure of built-in screen led to very nice DIY project:)
Forum: General Photography 01-12-2021, 04:03 PM  
Moldovan photo archive rescued
Posted By pentageek
Replies: 16
Views: 1,425
After reading the article I came to conclusion that GAS is relatively mild side-effect of our hobby:)
Forum: Pentax Camera and Field Accessories 01-09-2021, 05:40 PM  
Heavy Duty Strap Recommendation
Posted By pentageek
Replies: 25
Views: 2,010
Optech or Peak Design. Quality is similar, Optech seems to be more versatile system in terms of various scenarios it can be used in. Peak Design also builds its system, but they are slightly behind Optech. I use both systems, Peak Design for 'generic' K-1 configuration, and Optech for Mamiya RB and K-1 with Sigma 150-500.
Forum: Pentax DSLR Discussion 12-15-2020, 04:17 PM  
To buy or not to buy the Pentax 28-105, or the question of walking-around with a K1
Posted By pentageek
Replies: 38
Views: 3,042
If you are satisfied with image quality of KP, I think you don't need 28-105. Granted, image quality of FF is generally better, but in this scenario you have satisfactory quality with KP already. As you noted in original post, K-1 with 28-105 is bigger, heavier, and more expensive than corresponding APS-C rig.
Forum: Pentax DSLR Discussion 12-14-2020, 02:51 PM  
To buy or not to buy the Pentax 28-105, or the question of walking-around with a K1
Posted By pentageek
Replies: 38
Views: 3,042
I use both lenses and I can tell you what it means: 28-105 and 16-85 are very good all-round lenses for FF and APS-C respectively. It does not mean you get similar results - sensors are different and they require different lenses. Think of following question - 'I'm looking for very good all-round lens, what do you recommend?'. The answer is: 16-85 for APS-C, or 28-105 for FF. Similarity is in function and in ways you can use them, not in the quality of an image.
Forum: Pentax SLR Lens Discussion 12-11-2020, 04:00 PM  
Totally unscientific and lazy - flower with DA16-85, FA50/1.4, K50/1.2, DFA100WR
Posted By pentageek
Replies: 14
Views: 907
This is really good lens, I use it with K-S2. The sole drawback is its weight, it makes small camera front-heavy. Have fun with 16-85:)
Forum: Pentax Full Frame 11-16-2020, 10:56 AM  
K-1 locked up
Posted By pentageek
Replies: 9
Views: 944
Have you tried to clean lens mount? My K-S2 used to behave in the very same way, and cleaning of both surfaces of the mount (i.e. lens + body) solved the problem.
Forum: Pentax DSLR Discussion 11-14-2020, 05:37 PM  
Winter use routine
Posted By pentageek
Replies: 37
Views: 1,784
Depending on how winter in your area looks like, you may consider a battery grip - you would have two batteries installed instead of one, and you don't have to open the battery door in inclement weather. The trick is not particularly useful in dry and very cold weather, when it's better to keep a battery in an inner pocket, but I would definitely consider it when it's snowing, or the weather is damp and moderately cold.
Forum: General Photography 11-01-2020, 04:43 PM  
Prism viewfinder vs chimney loupe
Posted By pentageek
Replies: 3
Views: 1,069
I've got prism viewfinder and waist-level viewfinder with loupe* for Mamiya 67 RB, and I can tell you I have used prism one only once. There are two reasons: the prism itself weights almost 1 kilogram (2 pounds), and it has no metering. As per portrait mode, Mamiya has got rotating back, so it's not a problem. Left and right are reversed in waist-level viewfinder, what is problematic to some extent. For me prism viewfinder (with exception of the one from Mamiya:) is more convenient as I don't have to look at the camera from above, what is rather unnatural in most cases. The loupe, on the other hand, makes precise focusing easier.


* basically collapsible chimney loupe
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