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Forum: Pentax Camera and Field Accessories 4 Days Ago  
TC or not to TC?
Posted By pacerr
Replies: 17
Views: 577
No doubt the TC's added 'glass' will have some measurable effect on comparitive image quality. I accept that and choose not to evaluate the use of a TC solely on the basis of absolute IQ alone.

I consider a TC to be something that changes the geometry of the scene -- the perspective lines/vanishing points -- rather than simply a 'magnifier'. It changes where I may (or have to?) stand to frame a given scene as I want...the edge of a cliff, a blind, a river bank, in flight...whenever unable to "zoom with your feet" or swap out lens FLs.

Changes in practicable exposure values when using a TC will also affect (may degrade, or sometimes even enhance?) 'bokeh', shutter-speed, DoF, etc.

Unfortunately CSA's shots didn't include enough background to make my points -- perhaps this comparison will serve to illustrate my concept - shot with different FL effect aside from magnification -- although this was shot primarily to maintain subject size:



Some personal thoughts: A TC will...

- have many different effects through out the FL range of a zoom lens.

- change the shooting location / perspective points of any scene

- possibly be the only way to frame a scene from a given or desired position

- best be used ONLY with the BEST lens at hand to frame the scene as desired (I had an Adaptall SP 180 mm plus Pz-AF 1.4x TC that outperformed any other equivalent lens option available to me between 150 - 300 mm - I do miss it!:( - until I acquired the DA*300. So, you may ask, do I shoot the 300 with a TC? Yes, when the situation warrants it for best effect.)

I look for the best overall result rather than simply the arguably best IQ after PP even if that comes with a slight degradation in absolute comparative IQ. If I'm pleased with the final result why measurebate over an alternate choice-not-made?
Forum: Pentax Camera and Field Accessories 4 Days Ago  
Joby Gorillapod - are they worth it?
Posted By pacerr
Replies: 22
Views: 737
I have the older, large model. My primary use is a bit unconventional. I place one or two legs in shirt pockets or merely rest 'em on my chest and hook the third over my shoulder. Much more comfortable than any other shoulder mount gizmo I've tried, it's more convenient and portable than any clumsy tri-,bi-, mono-pod, avoids 'No Tripods Here' issues and it's still a useful stand-alone support when needed.

At least on the older model the legs are prone to pop out of the base sockets when overly stressed and there seems to be no practical means to return the 'ball' into the socket. I'm now using it as a "mono-pod" with only one leg in a pocket and it still works fine.

This method has worked very well for me for years, especially with heavier lenses such as the DA*300 and Tamron SP 70-200. Keep in mind this application is for hand-held support and fatigue relief (think mono-pod), not for vibration elimination. Combined with SR mode it's solved many issues with heavy gear and long days in he field.

(And, yeah, you just ignore the strange looks from gear-snobs and graciously return the high-fives from DIY-ers.)
Forum: Post Your Photos! 02-03-2018, 09:07 PM  
Backyard Wild Animals Contest Hmmm, wonder if this tastes good!
Posted By pacerr
Replies: 3
Views: 217
He may have grown up in a bad part of town as an unsupervised delinquent child.

Notice the fake 'fangs' -- that's the gang colors of the local 'Deer-stroyers' punk gang.
Forum: Pentax SLR Lens Discussion 01-27-2018, 03:32 PM  
Primary lens, 300 or 400?
Posted By pacerr
Replies: 89
Views: 2,949
Almost anything that can accommodate a 1/4"x24 screw can be added to the bar or tripod mount in some fashion. Or try a rolled up sock top and Velcro. Large replacement cooking pot or drawer knobs? The off-set's simply to find a good balance point.



But, for a slip-on solution check the dinnerware section of Wally-mart or search on-line for sleeves that slip on to metal frying pan handles. For a temporary trial just rap a hot-pad around the bar and tape or rubberband it.

frying pan handle covers - Buscar con Google
Forum: Pentax Q 10-19-2017, 07:50 AM  
Lensbaby copy built for Q?
Posted By pacerr
Replies: 11
Views: 843
<<- You can 'straighten' architectural lines. That can be done in digital post processing today which wasn't possible on film. >>
Oops, disregard this function - that's for a shift lens.

- The plane of focus is 'normally' parallel to the sensor. A tilt lens allows you to 'tilt' the plane of focus. That effect can be seen in the images in the link.
Forum: Pentax Camera and Field Accessories 10-13-2017, 08:17 AM  
What's Your Favorite Camera Bag That Looks Nothing Like a Camera Bag?
Posted By pacerr
Replies: 19
Views: 1,619
A plain old fanny-pack covers a lot of options for me.
Forum: Lens Clubs 10-13-2017, 08:15 AM  
Adaptall Mount Club (Tamron).
Posted By pacerr
Replies: 3,495
Views: 552,861
Stacked, de-glassed filter rings, step-up filter adapters and sometimes a taped-on tulip pattern copied from the DIY shade sites offer a wide variety of hood options -- all in keeping with the spirit of the Adaptall lenses.
Forum: Post Your Photos! 10-07-2017, 12:25 PM  
Misc Strong-lines
Posted By pacerr
Replies: 2
Views: 279
Any working waterfront with its piers, wharves, bridges, etc is always a source of strong, nominally abstract, lines. These taken at Cape Girardeau, MO on the Mississippi River.

One of the last of the CCD-sensor bodies, the K200D does just fine there.

Forum: Pentax SLR Lens Discussion 10-05-2017, 08:51 AM  
screw on lens hood generic
Posted By pacerr
Replies: 16
Views: 811
If you're interested in function over fashion simply go to one of the sites that offer hood patterns and try a few paper patterns until you find one you're satisfied with.

Then purchase one or more inexpensive generic plastic hoods and duplicate the pattern with a file, Dremel tool sanding accessory or...?

No hood is perfect -- every hood is helpful to some extent -- cosmetic appearance affects neither one.

Digital lens hoods

lens hood pattern - Google SearchImages for lens hood pattern

-----------



OBTW, for those that've never used a range-finder camera, those neat lookin' vents in the hood are to provide a field of view for the RF window, not for 'fashion'.
Forum: Pentax SLR Lens Discussion 10-02-2017, 07:12 PM  
All Purpose Lens
Posted By pacerr
Replies: 22
Views: 1,209
There's a whole lot of things that building new eye/hand/muscle habits can result in better results regardless of the gear involved.

Pick a lens, any ol' lens, and have 'er slowly and deliberately swap it in and out ten times. Then do it quicker. Build competency. Familiarity builds muscle-memory. Slow is smooth, smooth is fast.

Make it a slow, three-step process at first:

1) First explain why you want/need to change focal lengths for a good reason*. Works with zoom lenses too.

2) Actually swap lenses (or just re-install the same one).

3) Verify the entire range of intended menu settings. They changed. If a lens change takes five seconds make lemonade -- use the time to plan how you're gonna use the different POV.

*Maybe two steps closer or to the side will work mo' betta? That's a habit that helps (temporarily) cure LBA too!
Forum: General Talk 10-02-2017, 08:41 AM  
RIP - Ron Kruger
Posted By pacerr
Replies: 2
Views: 540
:( It's been a while, but Ron Kruger was a forum member here a while back. He was an avid writer, photographer and editor of outdoors magazines.

R.I.P. Ron Kruger

Ron Kruger - View Profile - PentaxForums.com
Forum: Pentax SLR Lens Discussion 09-28-2017, 08:51 AM  
Another This vs. That! A* 300/4 vs Tamron (60B) 300/ 2.8
Posted By pacerr
Replies: 16
Views: 1,128
An excellent example.

The time and effort we spent mastering focus and DOF seems to be devoted exclusively to bitching about failed auto focus today. I well remember having to memorize DOF charts before being allowed to check out 'advanced' gear like the Kodak Medalist or a manual focus lens. (An', yes, it was three-miles up-hill in the snow in both directions too. :D )
Forum: Pentax SLR Lens Discussion 09-27-2017, 04:37 PM  
Another This vs. That! A* 300/4 vs Tamron (60B) 300/ 2.8
Posted By pacerr
Replies: 16
Views: 1,128
True. I've had some of the lighter 300's - the M42's - but not an A* - and they're pleasant to shot with.

But one thing I've found with the larger, heavier lenses is that I seem to take a more disciplined approach to using them simply because they DO take thoughtful intent. Consequently I feel like I had more consistently good results as much because of attention to detail as to inherent lens quality.

My DA*300's a fine combination of all things tele in my experience. A pleasure to use.
Forum: Pentax SLR Lens Discussion 09-27-2017, 02:20 PM  
Another This vs. That! A* 300/4 vs Tamron (60B) 300/ 2.8
Posted By pacerr
Replies: 16
Views: 1,128
I owned the AD-2 SP 300/2.8 (360B) for many years. It wasn't a DA*300 but it never failed to satisfy me if I used it intelligently. The multi-body, Adaptall versatility was a major plus and helped justify the cost.

This older pix was with a K200 + 360B + Tamron Pz-AF 1.4x TC @ f5.6 at109 yds. I considered the 2.8 aperture to be a helpful focusing aid and shot at f4-8 whenever possible.
Forum: Lens Clubs 09-25-2017, 04:21 PM  
Adaptall Mount Club (Tamron).
Posted By pacerr
Replies: 3,495
Views: 552,861
A hood is a tool. Modify it as necessary. There are no extra points for cosmetic appearance. The result is what counts.

DIY Lens Hoods - no math required
Forum: Pentax DSLR Discussion 09-12-2017, 01:40 PM  
Looking for advice
Posted By pacerr
Replies: 20
Views: 962
Welcome.

One of your best learning tools will be a relatively simple but useful post-processing program that allows you to freely explore, experiment and begin to understand the "processing" of imagery. (Used to take forever in a wet-darkroom with expensive film and chemicals). Something that doesn't boggle the mind with exotic storage schemes and advanced tweaks. I recommend Faststone's free 'Image Viewer' as a starter.

faststone image - Google Search

Shoot -- a lot. Learn to understand the Histogram. De-brief every shot on the screen where you can compare results. Get a grasp of Spot, Center Average and Matrix metering. See what changes the Scene modes make to the 'normal-average' exposure results (RTFM) -- it's simply what knowledgeable shooter's would apply to tweak an average situation and, incidentally, the best use of matrix metering mode as it then understands how to best apply the possible exposure options to a given scene.

If you're not smiling over at least one shot per session you're doin' it wrong - it's supposed to be fun. An' don't let anyone see anything you're not happy with. The biggest difference between a pro and a beginner is the size of their waste baskets!
Forum: Pentax Q 08-24-2017, 02:45 PM  
Q construction
Posted By pacerr
Replies: 16
Views: 1,386
Not to mention the 'RCH'.
Forum: Pentax Q 08-23-2017, 09:45 PM  
Q construction
Posted By pacerr
Replies: 16
Views: 1,386
I found it quite agreeable to give up a 'smidgen' of build difference for the noticeably better practical IQ of the Q7.

Also consider the likely advantage you'll have with the smaller 'crop factor' which allows wider effective focal lengths for all lenses. That alone may eliminate, or at least delay, your urge to acquire the (excellent) 08 WA lens.

The better IQ of the Q7 also allows more cropping to regain most of the effect of longer FL lenses.
Forum: Pentax Camera and Field Accessories 08-15-2017, 02:15 PM  
Extension tube PK-A conversion?
Posted By pacerr
Replies: 14
Views: 735
IME close-up and macro photography is so slow and deliberate in both planning and execution that I've never considered automation for focus or exposure to be advantageous.

OTOH, simple manual extension devices lend themselves to experimentation and DIY lens mount adapters that would be unavailable or prohibitively expensive if purchased.

Given the tremendous advantages of post-shot histogram and DOF review my only attempt to automate macro exposure was to de-glass a TC for use in a particular remote shooting situation. Today, tethering might be an even better answer.
Forum: Pentax Q 08-13-2017, 10:21 AM  
Practical (comparitive) results
Posted By pacerr
Replies: 1
Views: 620
One with the Q7+02 lens, the other with the K5iis + DA 18-135. Cropped and PP'ed both produced nice 14x11 prints and I can't tell one from the other framed and hangin' on the wall.

I much prefer shooting with DSLRs - I have more confidence in predictable results using a VF - but with a little attention to detail the Q-systems produce more than satisfactory images and can't be beat for compact EDC (every day carry) and convenience.

[ I'm twice blessed at the moment :D, but the Bluebird's being replaced by the Golden Canary - unfortunately there's only one nest available and two seat's are sufficient unto the mission now :( -- a 7KCAB and a PA-22/20-150 for those interested. ]

Forum: Pentax SLR Lens Discussion 08-07-2017, 06:56 PM  
M42 on a K-Mount: Stop-down metering isn't the big problem (for me, anyway)
Posted By pacerr
Replies: 20
Views: 931
:lol: You've just gotta love this recurring topic.

It's like watchin' grandpa try to explain granny's reminiscence about a hand cranked, party-line phone call to an iPad-carryin' thirteen year old while using a second generation dial phone as a prop. :hmm:

Few topics today span such a limitless opportunity for predictable confusion. Pull up a chair -- bring pop corn an' a beverage too.
Forum: Pentax DSLR Discussion 08-07-2017, 10:35 AM  
handing down my *istDS
Posted By pacerr
Replies: 8
Views: 858
My DS has worn a M42-K adapter and been dedicated to Super-Tak lenses ever since I acquired my first K200. With the mode dial set to Manual and the adapter 'permanently' mounted to the body (the way it was originally intended to be used!) each time I pick it up it's a nostalgia trip back to my Spotmatics. Results are at least as good as with film after a little PP and it's a lot more convenient than ending the day in a 'wet' darkroom too.

Twelve years old and it's never skipped a beat or misbehaved. Those original 6 MPs still work fine for close-ups in the garden and TTL flash is a familiar old habit.
Forum: Pentax SLR Lens Discussion 07-11-2017, 09:37 AM  
a dumass newbie question -- pretty basic
Posted By pacerr
Replies: 29
Views: 1,291
Now that you mention it -- why don't we have 'zoom' hammers and screw drivers? Are adjustable wrenches 'zoom' tools? :confused:

Ohh, hey, an' my truck. A fixed horse power engine? Bummer! :( But the automatic transmission sort'a counts as a 'zoom-box' I suppose. ;)
Forum: Pentax Camera and Field Accessories 07-02-2017, 07:46 AM  
Which PENTAX Diopter-Adjustment Correction Lens Adapter for a KX?
Posted By pacerr
Replies: 4
Views: 529
Go to a store that sells reading glasses and experiment to see what combination of diopter for VF and glasses works best.
Forum: Lens Clubs 06-14-2017, 10:15 AM  
Adaptall Mount Club (Tamron).
Posted By pacerr
Replies: 3,495
Views: 552,861
Maybe 'cause most folks don't want to admit to using lenses that sell 2-for-twenty-bucks used regardless of optical quality?

My two started in a mishap investigation kit with a K1000, a cheap strobe and a set of close-up filters and never disappointed me.
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