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Forum: Pentax SLR Lens Discussion 11-02-2017, 02:36 PM  
Handholding K-1 with D-FA 70-200 or strap?
Posted By AndrewG NY
Replies: 19
Views: 876
Believe this replacement screw is designed for this:

https://www.bhphotovideo.com/c/product/734696-REG/Black_Rapid_RFH_1E0_Fasten...81&#!
Forum: Pentax SLR Lens Discussion 10-27-2017, 06:08 PM  
Handholding K-1 with D-FA 70-200 or strap?
Posted By AndrewG NY
Replies: 19
Views: 876
I think others are trying to describe similar approaches but I'll try to spell out what I'm thinking:

Use shoulder strap such as blackrapid or similar. These normally attach with an quick-release to a d-ring that screws into to a tripod socket.

You can attach one d-ring to the camera body and another second d-ring to your lens-mounted-foot's socket.

When a light lens is attached, fix the strap to the body's d-ring. When the heavy lens is attached, move the strap to the lens foot d-ring.

Perhaps forgo the traditional body neck-strap, or switch to one with quick-release fittings.
Forum: Pentax Q 04-04-2017, 09:17 AM  
And the 06 Telephoto Zoom arrived.
Posted By AndrewG NY
Replies: 15
Views: 1,625
The 02 seems to have the nicest build, as the 08 and 06 both seem a little more plastic-y -- in particular, the zoom rings. I think Pentax had a little more 'premium' quality in the initial release (which included the 01 and 02) with the also-nicest-built original Q, but were stressing cost control with later body and lens releases.

My biggest issue with Q lenses is actually the flare on the 01. I may be mis-labeling it as 'flare' -- what I think it is are internal reflections, possibly off the sensor. It has a real tendency to produce big, usually unattractive pink artifacts if there's much of a light source in the frame, and a hood doesn't help with this. I don't think the zooms suffer this nearly as often or badly.
Forum: Pentax Film SLR Discussion 03-28-2017, 09:23 AM  
Calculated focal length at MFD - Focus Breathing
Posted By AndrewG NY
Replies: 19
Views: 2,485
This agrees with another common-sense observation -- at minimum focus, this is approximately where the zoom ring starts to have an effect with the DA*60-250. I have seen people say 125 or 135mm but it appears to me that the angle-of-view approximately agrees with the markings for 150mm.

I'm not sure just how much to trust calculations based on quoted specifications because I don't completely trust that manufacturers are consistent with how they quote these specs.
Forum: Pentax Medium Format 03-27-2017, 08:33 AM  
I have returned to the fold. (now, about lenses)
Posted By AndrewG NY
Replies: 13
Views: 1,211
If you have a preference for the longer 120, you're in luck because it's also quite a bit cheaper, especially if you go for the manual focus version.

One other possibility in this range is adapting a Pentax 67 105/2.4 (maybe the fastest Pentax medium format lens?), though this isn't a macro lens but I imagine could be combined with your tubes. That would of course require finding the 645 => 67 adapter.
Forum: Pentax SLR Lens Discussion 03-22-2017, 06:23 PM  
Longer and sharper lens than DA-L 50-200...?
Posted By AndrewG NY
Replies: 225
Views: 9,221
I think it's almost a no-brainer to try any of the Pentax 55-300 variants as an upgrade to a 50-200. I own both the original DA55-300 and DA*60-250 plus the 1.4x TC. The size and weight is significant where I would only bring the 60-250 on outings where I anticipate using it a bunch. The 55-300 is compact and light enough that it will likely come on more casual outings where I'm less certain I'll want to use telephoto much. Note that it's still f4-4.5 all the way out to 190mm.

A used 55-300 is not that expensive and you ought to be able to resell it without too much loss after trying it out for a while.

The 60-250 -- while superior in several respects -- is quite expensive, even more so if you get the TC as well.

I think you might want to give the cheaper and lighter lens a try. It's definitely a worthwhile upgrade over the 50-200 and better at the long end (where it counts) than any of the less expensive alternatives (Sigma, Tamron, or older Pentax FA telezooms reaching -3#0mm.)
Forum: Flashes, Lighting, and Studio 03-21-2017, 09:21 PM  
AF201 FG - anyone excited?
Posted By AndrewG NY
Replies: 109
Views: 14,303
There is also Metz 24 AF-1, less expensive. I think one of these uses 2xAA and the other 2xAAA? I don't think either Metz unit offers the manual 1/1 or 1/4 mode that the AF201FG does.
Forum: Pentax Film SLR Discussion 03-16-2017, 11:07 AM  
Which lenses were originally sold with which cameras (kit zooms)?
Posted By AndrewG NY
Replies: 13
Views: 683
It looks like the PZ 28-105 is the lens pictured in the PZ-1p's manual. It is on the heavy side but I don't think that's due only to the PZ feature -- it also long enjoyed a reputation as being Pentax's best 28-105 optically (though I imagine the new D-FA 28-105/3.5-5.6 is probably better). There was also a (IMO inferior) Tamron rebadge non-PZ FA 28-105/4-5.6 IF that was sold for a while in between these two models.

The very light and compact FA 28-105/3.2-4.5 was a pretty late pre-film release, maybe shortly after the pretty-good FA 24-90/3.5-4.5 announced with the MZ-S?

There was also a similarly-styled FA 28-80/3.5-5.6 that I believe was also sold in MZ/ZX-series kits (including MZ-6/ZX-L) before the newer FA 28-90 mentioned above.

I think the FA-J 28-80/3.5-5.6 was probably the kit lens with the *ist film camera?
Forum: Troubleshooting and Beginner Help 03-16-2017, 10:23 AM  
Pentax MX shutter speed dial
Posted By AndrewG NY
Replies: 15
Views: 996
You might be right and it *might* be OK and do what you think it will. You can also often center the LED "needle" by changing the aperture 1/2 stop, though the availability of a 1/2 EV click-stop for that particular aperture setting would depend on the specific aperture and lens.

On the other hand, that fraction of a stop shouldn't be all that significant with negative film. If you're shooting slide film and you truly want more precision, possibly the MX isn't the very best choice.
Forum: Pentax Full Frame 11-16-2016, 10:48 AM  
Should we expect more D FA* zooms?
Posted By AndrewG NY
Replies: 45
Views: 3,445
I don't think it's been roadmapped but I can imagine something like a 24-105 or 24-120 a somewhat likely release at some point. It would be anyone's guess whether Pentax would give either a star '*' moniker. If they have constant f/4 it would seem a little more likely, if they did variable aperture 24-120/3.5-5.6 instead, that would probably not get the star.
Forum: Pentax DSLR Discussion 10-15-2016, 05:37 PM  
Jump to fuji or not?
Posted By AndrewG NY
Replies: 92
Views: 4,666
Agree with this -- I think it's in a sweet area, a little wider than a 35-equivalent but with a perspective not quite as distorted as a 28-equiv would be.





The longer limited primes generally offer speed & bokeh that is noticeably improved from a zoom, but this is difficult to achieve in a wide angle. The qualities of the DA21 and DA15 are more subtle when compared to wide angle zooms. They're not generally faster, and combining this fact with the wider angle-of-view 'wow' bokeh becomes harder to come by, but they are compact, distort less, offer better flare & c/a performance.
Forum: Pentax SLR Lens Discussion 10-15-2016, 10:15 AM  
Poll: Your favourite image, 35mm images.
Posted By AndrewG NY
Replies: 84
Views: 6,427
I know this is an old thread, but i like the idea.

This might be a good use of the left-side Raw-Fx button --
1. either must hold pressed to unlock while using other controls
2. or hold for 1sec to toggle lock/unlock

I guess an info screen lock toggle would be fine too.
Forum: Pentax DSLR Discussion 10-13-2016, 08:30 PM  
Jump to fuji or not?
Posted By AndrewG NY
Replies: 92
Views: 4,666
You might try shooting a little electronics cleaner into the e-dial and working it a bit. I offer no guarantees but this helped my balky *ist DS2 e-dial. I suspect there may be a little bit of crud in there.
Forum: Pentax News and Rumors 09-24-2016, 03:51 PM  
Nothing New at Photokina!??!
Posted By AndrewG NY
Replies: 723
Views: 58,341
The designs can be a bit different.

Getting a short end of 50-60mm (as opposed to 70-100mm for a FF design) usually sacrifices FF compatibility.

Similarly, at the long end sometimes they can sometimes go with a slightly smaller front element for a given max aperture (though I think instead they've been preferring not to do this in favor of IQ, less vignetting, etc.)

It is disappointing that the DA* 60-250/4 and perhaps DA70/2.4 were just ever so slightly underdesigned for FF since they are oh-so-close to being legit D-FA (I know both are serviceable but it seems like it was short-sighted).
Forum: Pentax News and Rumors 09-20-2016, 10:55 PM  
Nothing New at Photokina!??!
Posted By AndrewG NY
Replies: 723
Views: 58,341
I hope this is not the case. They've had a roadmapped tele/macro for a while, and I really wish in addition they'd also do a AF tele long zoom, like maybe a 28-105. The optical spec on their last FA 3.2-4.5 would be acceptable (obviously even faster even better) but AF/in-lens shutter & ND filter) and sized down (collapsible?) for Q-mount. A 28-105 would be something like 130-500, this would seem a handy addition to the Q continuum.
Forum: Pentax News and Rumors 06-10-2016, 06:50 AM  
HD PENTAX-DA 55-300mmF4.5-6.3ED PLM WR RE
Posted By AndrewG NY
Replies: 659
Views: 65,201
Or if you go the Sony translucent fixed mirror approach.
Forum: Pentax News and Rumors 06-09-2016, 10:54 PM  
HD PENTAX-DA 55-300mmF4.5-6.3ED PLM WR RE
Posted By AndrewG NY
Replies: 659
Views: 65,201
It's my understanding that many cameras use both -- features like face detection require CDAF, but use PDAF for speed, particular for continuous AF. Perhaps the hybrid approach you're thinking of is PDAF for the initial large adjustment followed by PDAF for final micro-adjust of focus.
Forum: Pentax Q 12-11-2015, 12:00 AM  
Flash for Q-S1?
Posted By AndrewG NY
Replies: 18
Views: 1,768
Would you (or anyone else with an AF201FG and any Q body) mind uploading a picture of this flash mounted on a Q body?
Forum: Pentax DSLR Discussion 12-10-2015, 11:55 PM  
Teathering - Is Someone Pulling my Leg?
Posted By AndrewG NY
Replies: 7
Views: 972
This might be for 645Z only?
Forum: Pentax K-01 11-17-2015, 10:42 PM  
K-01 vs gx-8
Posted By AndrewG NY
Replies: 25
Views: 2,091
If Pentax was ever going to de-cripple the K-Mount, they would have done it years ago.
Forum: Pentax K-01 11-17-2015, 11:56 AM  
K-01 vs gx-8
Posted By AndrewG NY
Replies: 25
Views: 2,091
I can't imagine too many people are cross-shopping K-01 vs. GX-8. As for the future of mirrorless K-mount...

Hard to know whether Pentax will take a chance on a K-02 or not. K-01 was a bit of a bust...sure, they eventually sold a bunch of them but only once they dropped the price to $300 or so. K-01 wasn't a great proof-of-concept because its cosmetics were polarizing and ergonomics were a bit suspect, below normal Pentax standards. I'll bet Pentax would have moved more of them if the body was WR with a more comfortable grip and better-placed buttons. Maybe they should have their MX-1 retro aesthetics efforts could also have been better applied here. Some combination of variable-angle rear LCD and/or EVF (either built-in or accessory) would also have helped. K-01 ticked none of these boxes.

In addition, the contrast-detect live-view focusing was barely viable at the time that K-01 was released, suffering badly in low light. It was improved somewhat with firmware updates but I think for it to work right you really need the most recent processors combined with continuous improvement in tuning the focus algorithms. I imagine a model released today would be in much better shape than the K-01. A K-02 package would also benefit from the newer collapsible kit zoom which was not available in 2012.

There are some photographers who will prioritize performance and ergonomics and will insist on a body large enough to fit their hands. Cameras like the GX-8 and GH series will appeal to them, and they'll still get the system benefit of smaller & lighter lenses. A K-01 would not appeal for the reasons mentioned above. I think a K-02 done right would at the very least have the potential do to better than KS-1.

While I don't think the Q is as big a fail as many might say, I think it was a lost opportunity...I think the Q would have had a much better chance had it been designed for the 1" sensor. I have no doubt that Pentax would have released a Q that was smaller and more photographer-friendly than Nikon's '1' (though in the finest Pentax tradition, it's AF would probably fall short), and a system like this would have had the potential for much wider appeal while maintaining respectful separation from APS-C gear.

The thin-body + adapter for legacy glass approach has some merit but only seems worthwhile as a stopgap while glass for the new mount is developed. The adapter doesn't have to be as bulky as Sony's Alpha to e-mount adapter mentioned above -- this adapter is impressive because it not only incorporates the screwdrive but also includes a phase-detect AF module with a translucent mirror. Pentax would really need AF screwdrive capability but could theoretically rely on contrast detect AF for legacy lenses.
Forum: Pentax SLR Lens Discussion 08-17-2015, 09:51 PM  
28-70ish Zooms
Posted By AndrewG NY
Replies: 31
Views: 2,229
Not 28-70 nor f/2.8 but I like the FA 24-90/3.5-4.5. I like it better than the 24-60/2.8 EX Sigma but the Sigma's not bad either. The Sigma is arguably better-built but I like the size & handling of the 24-90 better, plus I like the extra reach. At 70mm I found the 24-90 to be better than pretty much everything else I had at that length except for (predictably) the DA70/2.4 Limited. Something a little lighter and less expensive -- the FA 28-105/3.2-4.5, this lens is f/4 up to 70mm, and for me it tested better (at 70mm, anyway) than the FA28-70/4 or F28-80/3.5-4.5. (but not quite as good as the 24-90 or DA17-70/4).

If we're thinking ahead to full-frame digital, it's highly likely that Pentax will have something new, better, and much more expensive available. A lens like the FA24-90 benefits from the APS-C sweet spot...I think it may still be among the better of the zooms designed-for-film but I'd expect new designs intended for use on high-megapixel digital sensors to mop the floor with most of the bargain zooms.
Forum: Pentax SLR Lens Discussion 06-23-2015, 07:36 AM  
50-200mm WR DA vs DA-L pros and cons
Posted By AndrewG NY
Replies: 13
Views: 859
I wouldn't worry about the mount. This lens is very compact, short, and light and shouldn't exert much stress on the mount. Whether the included hood, WR, quick-shift, nicer-feeling & looking build, and 49mm rather than 52mm filter size are worth the extra coin is another question.
Forum: Pentax Q 05-01-2015, 11:51 AM  
03 Fisheye vs. 08 Wide Zoom
Posted By AndrewG NY
Replies: 22
Views: 3,718
I am pleased with my 08, I'm glad to have both in my kit. I'm sure I use the 03 considerably less since I added the 08.

It goes without saying that the 08 is pricey for a Q lens but it's also uncommon to get ultra-wide capability on a compact camera, and in addition to being super-compact, it's price is cheaper than the ultra-wide zooms available for most other systems.

Despite the generally large depth-of-field that ultrawides provide, it's generally easier to get a good-looking, sharp image from the 08 than with the 03 with which often it seems none of the scene is completely sharp, probably in part due to the difficulty of obtaining critical manual focus on the Q's lowish-res LCD screen.
Forum: Flashes, Lighting, and Studio 02-09-2015, 10:16 AM  
AF201 FG - anyone excited?
Posted By AndrewG NY
Replies: 109
Views: 14,303
Agree, at least tilt is a must, and I think use as a wireless controller would also be a plus. I think I'd also like to see it have a power source that's lighter and more compact than 4xAA -- for example, 2xAA. Olympus (and similar Panasonic) offer the FL36 which is full-featured including swivel and zoom, this flash is substantially more compact than the AF-360. The biggest drawback is that predictably the recycle rate isn't as high as a 4xAA unit, but for many people this is a smaller concern. I think Pentax should be trying to offer something suitable for use on the Q.
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