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Forum: Pentax News and Rumors 4 Days Ago  
New Firmware Released
Posted By jbinpg
Replies: 142
Views: 7,390
Thanks for the alert, Fozz. All upgrades applied and all OK. - Jack
Forum: Post Your Photos! 04-01-2021, 01:03 PM  
Nature A proud but hidden singer
Posted By jbinpg
Replies: 4
Views: 212
Looks like a European Starling. Nice shots!
Forum: Digital Processing, Software, and Printing 03-31-2021, 11:48 PM  
The Darktable Users Coterie
Posted By jbinpg
Replies: 233
Views: 22,307
I always using the Profiled Denoise with the Chroma Only option enabled for my photos and it takes care of most of the ugly noise. I may use a touch of non-local means in an additional profiled denoise with a high ISO image above 3200.
Forum: Pentax Film SLR Discussion 03-31-2021, 06:29 PM  
:cool: Lets see those ''film'' shots
Posted By jbinpg
Replies: 22,544
Views: 2,855,476
Nice, Phil. I love walking Q.E. Park in the spring but won't be doing so this year :( - Jack
Forum: Pentax Film SLR Discussion 03-26-2021, 12:31 AM  
Post your B&W Film shots
Posted By jbinpg
Replies: 10,137
Views: 1,158,407
Rolleiflex 2.8D Xenotar, 1/125, f/16, Ilford HP5+ in Caffenol CL full stand @ 18 degC for 70 minutes after 10 inversions first minute, Ilford Rapid Fixer for 4 minutes. Scanned by Epson V700 @ 2400 dpi.

Spring snow showers by Jack Bowling, on Flickr
Forum: Post Your Photos! 03-25-2021, 01:02 AM  
Abstract Urubu à tête rouge / Turkey Vulture [Cathartes aura]
Posted By jbinpg
Replies: 6
Views: 232
Excellent detail.
Forum: General Talk 03-23-2021, 06:40 PM  
How to prevent Bumble Bees from building nest on my porch ?
Posted By jbinpg
Replies: 27
Views: 856
Likely the Eastern Wood Sawyer, Xylocopa virginica, the most common across eastern North America. Xylocopa species are sought after by agriculturists due to their ability to carry huge pollen loads and habit of preferring certain plant species. Their pollinator benefits outweigh their wood-boring habits.
Forum: Pentax Film SLR Discussion 03-22-2021, 11:47 PM  
Post your B&W Film shots
Posted By jbinpg
Replies: 10,137
Views: 1,158,407
Spotmatic, Super-Tak 50/1.4 (8e), Ilford HP5+, Caffenol CL semi-stand.

Feeding the chickadees by Jack Bowling, on Flickr
Forum: Digital Processing, Software, and Printing 03-22-2021, 05:23 PM  
PC upgrade plans, gpu or no?
Posted By jbinpg
Replies: 23
Views: 967
if you use a raw processing program that offloads much of its processing to the graphics card then you will notice a huge speedup in processing and exporting times. There is no such thing as too much RAM so get as much as you can afford.
Forum: Pentax Film SLR Discussion 03-18-2021, 07:08 PM  
Post your B&W Film shots
Posted By jbinpg
Replies: 10,137
Views: 1,158,407
Rolleiflex 2.8D Xenotar, 1/125s, f16, Ilford HP5+. Developed in Caffenol CL: 16 g washing soda + 10g Vitamin C + 1g KBr + 40g coffee. 5 minute presoak. Stand developed for 70 minutes with 10 inversions first minute. Ilford Rapid Fixer for 5 minutes. Scanned with Epson Perfection V700. Glad to see Frederic is also providing his Caffenol work.

Replica Bridge - medium format by Jack Bowling, on Flickr
Forum: Post Your Photos! 03-10-2021, 01:10 AM  
Nature Large Wasp (Potter Wasp?)
Posted By jbinpg
Replies: 2
Views: 204
Great shot! Wikipedia says this is an Australian Hornet which is not a hornet at all but a potter wasp as you surmised. Here is the link:

Australian hornet - Wikipedia

Apparently not an aggressive creature.
Forum: Post Your Photos! 03-09-2021, 08:20 PM  
Night Dusty Orion Skies
Posted By jbinpg
Replies: 2
Views: 202
Excellent work. The emphasis on HA loses the contrast of more optical wavelengths, however.
Forum: Post Your Photos! 03-09-2021, 08:16 PM  
Nature Junco
Posted By jbinpg
Replies: 7
Views: 259
Beautifully minimalist.
Forum: Troubleshooting and Beginner Help 03-06-2021, 06:27 PM  
Pentax K-1 Auto ISO 200
Posted By jbinpg
Replies: 12
Views: 812
Sounds like the only way to guarantee ISO100 in an auto mode is to use the Sv mode.
Forum: Post Your Photos! 03-04-2021, 06:24 PM  
Nature Breakfast on the Lawn
Posted By jbinpg
Replies: 13
Views: 397
This is a juvenile Northern Goshawk. It still has a few brownish bars left in its upperpart feathers. Its eyes will eventually turn blood red with age. Looks like some kind of pigeon had a bad luck day.
Forum: Pentax Film SLR Discussion 03-04-2021, 11:30 AM  
Post your B&W Film shots
Posted By jbinpg
Replies: 10,137
Views: 1,158,407
Cross-post from the color film section. Better to post here. My first b&w developing attempt. Digitized with my K-1. Flat lighting.

Replica Bridge by Jack Bowling, on Flickr

Camera: Spotmatic
Film: Ilford HP5+
Developer: Caffenol-C-H, Ilford Rapid Fixer
Forum: Pentax Film SLR Discussion 03-04-2021, 01:47 AM  
:cool: Lets see those ''film'' shots
Posted By jbinpg
Replies: 22,544
Views: 2,855,476
Developed my first roll of black and white film a couple of days ago. Decided to use my K-1 to digitize the photos rather than my flatbed scanner since I have a bellows unit with a film holder on the front. Came out OK for a first attempt but I have work to do since it looks a bit muddy. Taken with my Spotmatic, HP5+, likely 1/125, f/11. Developed in Caffenol-C-H at 19 deg C for 20 minutes, water stop bath, Ilford Rapid Fixer. Loading those Paterson reels is a pain in the keester.

Replica Bridge by Jack Bowling, on Flickr
Forum: Photo Critique 02-27-2021, 07:20 PM  
Abstract star field of What?
Posted By jbinpg
Replies: 6
Views: 424
A first guess would need date and time of exposure to nail down a starfield.
Forum: Post Your Photos! 02-24-2021, 08:57 PM  
Nature Ring neck duck
Posted By jbinpg
Replies: 2
Views: 222
Great shot! Yes, there has been great debate whether to rename this species the Ring-billed Duck instead of Ring-necked. But nomenclature in biology has a strict policy that priority for naming rests with the discoverer (note: obvious cultural bias here since Europeans were NOT the original human discoverers of almost all North American species). So the faint chestnut ring around the base of the neck that is only seen if the bird extends its neck is what the original name memorialized instead of the easy to see rings around the bill.
Forum: Post Your Photos! 02-24-2021, 08:51 PM  
Nature Sandhill Crane Family
Posted By jbinpg
Replies: 8
Views: 315
Awesome! Young cranes are called "colts" for some unknown reason. We don't see the babes until around June at my latitudes.
Forum: Post Your Photos! 02-24-2021, 08:48 PM  
Landscape Fireball sunset in Louisiana
Posted By jbinpg
Replies: 8
Views: 311
Wow! Talk about a natural leading line right to yout subject! Most excellent compo.
Forum: Post Your Photos! 02-20-2021, 11:12 PM  
Nature Nyctale de Tengmalm / Boreal Owl [Aegolius funereus]
Posted By jbinpg
Replies: 12
Views: 443
Excellent shot of my nemesis bird - heard many but seen none. My time will come!
Forum: Post Your Photos! 02-19-2021, 07:12 PM  
Nature Upside Down Butterfly (Moth?)
Posted By jbinpg
Replies: 3
Views: 231
Great shot of what looks like a Pea Blue. Lampides boeticus. More info here:

Lampides boeticus
Forum: Digital Processing, Software, and Printing 02-03-2021, 05:29 PM  
Anyone using an Epson Ecotank printer with pigment inks?
Posted By jbinpg
Replies: 6
Views: 5,180
I do not have an Epson printer but do have the Canon G3000 with the refillable tanks. I have found that to prevent the ink draining from the black feed line, I need to do at least one print/day. So I made up a cron job from my linux box to print a short message at 10:15 am daily. So far it has prevented having to do a deep clean every time you leave the printer for a few days. Perhaps this also applies to the similar Canons.
Forum: Pentax Film SLR Discussion 02-01-2021, 11:52 PM  
Gear P0rn - post it if you got it.
Posted By jbinpg
Replies: 7,804
Views: 989,417
I have about 3/4 of the items in that case. Just for interest sake, what is the one lens shown?
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