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Forum: Pentax Q 11-28-2018, 12:28 PM  
Pentax Q for astrophotography beginner?
Posted By dc1500
Replies: 55
Views: 7,256
Are you using the Q as "prime focus" or "projection" ? I'm assuming the former.
Forum: Pentax Q 11-27-2018, 04:18 PM  
Pentax Q for astrophotography beginner?
Posted By dc1500
Replies: 55
Views: 7,256
Thanks for such an interesting article and info Geo. With this "You shouldn't bother about the Q IR-filter" are you saying it isn't necessary and doesn't work as well as with the NX mini?
Incidentally - what did M42 Orion Nebula do to upset you :)
Dave
Forum: Pentax News and Rumors 09-21-2018, 05:48 AM  
Amateur Photographers (UK) Predicts End for Pentax
Posted By dc1500
Replies: 887
Views: 60,932
I've been using some sort of k-mount camera for decades. But we all fall for the hype in some way in the end. I have a K3 and recently (last couple of years) a Nikon D500. It is not a better camera all round. The media made me think the D500 was the ultimate camera in every way. The Pentax is better at some things and the Nikon better at others. This is true of almost every camera. You just have to choose what is best for you in your budget. Everything else is pretty meaningless. There is no doubt that the D500 get's a better press than it should and the K3 less publicity, especially when you take into account the Nikon costs nearly three times as much.

In the end it matters not how defensive we are, Pentax will survive if it makes a profit and it won't if it doesn't.
Forum: General Photography 09-20-2018, 04:47 PM  
Third party lenses/vintage lenses for astrophotography
Posted By dc1500
Replies: 15
Views: 1,732
Thanks, yes. mainly experimenting at the moment till I get my Star Adventurer tracker but even in my town (Basildon) it can be okay, especially after 1.00 am when all the street lights are turned off. Seems to coincide with my neighbour turning on his bathroom light! Mind I wouldn't want to venture out too far on my own round here! But I can see Andromeda in my bins and one night just about with my naked eye (and I have got the very early stages of cateracts as well!). I have found out where there are some dark skies within about a 30 minute drive so will try them at some point. Incidentally, is the Milky Way still visible low to the SW at the moment?
Thanks again for your interest.
Forum: General Photography 09-20-2018, 12:05 PM  
Third party lenses/vintage lenses for astrophotography
Posted By dc1500
Replies: 15
Views: 1,732
Cool, thanks for such a quick reply to a one year old thread!
Dave
Forum: General Photography 09-20-2018, 09:51 AM  
Third party lenses/vintage lenses for astrophotography
Posted By dc1500
Replies: 15
Views: 1,732
I know this thread is a bit old but I'm just starting out in Astro Photography and think my Tokina 11-16mm will be ok for widefield but I also have that Takumar, or at least the F5.6 version. I will be able to track with it so wondered what you got with it? Could you post a pic? Cheers, Dave
Forum: Pentax K-3 12-30-2017, 10:54 AM  
K-3 Bird In Flight
Posted By dc1500
Replies: 53
Views: 17,879
Hi, sorry, no. That post was over three years ago! I still have my K3 which I like for certain things but now have a Nikon D500 which, frankly, is in a different league for tricky action shots like BIF.
Forum: Pentax SLR Lens Discussion 08-25-2016, 08:57 AM  
Tamron 150-600 For Pentax
Posted By dc1500
Replies: 477
Views: 55,328
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I am a fairly dedicated Pentax user and will continue to be for some uses. But what I can tell everyone here is that I have some experience of both as I went out and bought a Nikon D5300 and a Sigma 150-600 (contemporary) to specifically compare with my K3, DA*300 +1.4TC, for bird photography. I have concluded that for 300mm the DA* is slightly sharper and I love this lens. But it focuses slower. But at 420mm with the TC it is a different story. The Sigma is on a par and focuses a lot quicker. Then at 600mm the Sigma is at least as sharp if not sharper than the DA*+1.4TC and much faster focusing. Clearly the Pentax combination is more compact to handle but the Sigma 'C' is on a par weight wise and handles well hand held with the OS at least matching the in body K3 SR. The Sigma 150-600mm is way ahead of the old Sigma 150-500 in terms of sharpness and speed and accuracy of focusing. (Unless some of this is due to the Nikon body). I imagine the performance of the Tamron 150-600mm is similar.

---------- Post added 08-25-16 at 05:02 PM ----------


OSV - I agree. I've had the 150-500 on K3 and 150-600 on D5300. The 150-600 wins hand down at max zoom.
Forum: Pentax K-70 08-23-2016, 03:49 PM  
Dpreview K-70 Real-World Samples
Posted By dc1500
Replies: 19
Views: 3,370
I don't usually take much notice of DPR "real world" samples because you don't really know what was going on when taken and what the photographer was like. Too many variables and I've seen some awful shots taken with known brilliant cameras. So with that caveat I have to say the K70 images are the best I've ever seen on there! Especially the high ISO ones. Amazing!
Forum: Pentax K-70 07-04-2016, 03:32 PM  
K-70 makes a difficult decision even harder
Posted By dc1500
Replies: 20
Views: 4,024
I tend to agree with the above. When travelling weight becomes a bigger consideration than you might think and I doubt if the time you will have in the next week will be enough to really get to know any of the cameras so minor differences in sophistication won't likely be an issue till later on.
Forum: Pentax Q 01-18-2016, 03:29 PM  
Sticky: Adapted lenses tested on the Q : the reference thread
Posted By dc1500
Replies: 1,113
Views: 471,104
I have the Contemporary and it seems on a par with the Sports for IQ. Shame they won't do a Pentax K mount. I wonder on the Q if it would be any good for astro shots? Probably too much transverse movement I guess. Moon might be interesting.
Forum: Pentax Q 01-15-2016, 05:32 PM  
Sticky: Adapted lenses tested on the Q : the reference thread
Posted By dc1500
Replies: 1,113
Views: 471,104
I've got the new Sigma 150-600 on a Nikon mount. It is vastly superior to my 150-500 Sigma on my K3, in terms of sharpness and focusing speed. I might get a Nikon adapter to try on my 'Q' and see if it's better than the 150-500 was.
Forum: Lens Clubs 12-13-2015, 11:00 AM  
Post your HD PENTAX-D FA 150-450mm F4.5-5.6 ED DC AW pictures!
Posted By dc1500
Replies: 1,708
Views: 233,854
Superb!
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 12-13-2015, 08:40 AM  
Nikon D7200+ Sigma 150-600 S vs Pentax DFA 150-450
Posted By dc1500
Replies: 43
Views: 9,918
"You really do have to be stubborn, to be a Pentax guy." I'll second that ... and not rich!
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 12-13-2015, 07:27 AM  
Nikon D7200+ Sigma 150-600 S vs Pentax DFA 150-450
Posted By dc1500
Replies: 43
Views: 9,918
Yes great pictures Norm. And yes I am indeed comparing my set up against the Nikon one with my Pentax and not yours or other people's - as I couldn't possibly do anything else. Yes, some nice pics and I have plenty like that with Pentax cameras. It is true what you say but the 300mm DA* IS an SDM lens so it is what it is. The reasons are not relevant - it is about finding the best system for a particular type of photography at a particular budget. Others will have different systems and views.
People before have liked to say it is to do with my (mis?) perceived lack of technique. Not sure what that is based on. But it is true at my age I am unable to focus manually due to less good eyesight and like to rely on the speed and accuracy of the AF system unless there is a lot of time.
Within the general budget of 500-1000 it was generally accepted by most Pentax birders that the DA*300 with or without the TC was the best option. That was why I used it and I agree. Now it appears that the 150-450mm might be a better bet but it is at a higher price. The 560mm is apparently superb but costs even more and so on. So at this stage I have compared his favoured combination with another option in this budget and it is favourable when it comes to focus speed and accuracy against the Pentax one. (Incidentally my Sigma 150-500 HSM was no faster on the K3 than the DA*300 which may suggest it's not just the lens).
If the 150-450+TC is shown to be as fast and accurate at focusing as the D5300 and Sigma 150-600 by people then I will be saving those extra hundreds to get it, believe me, so I can use my trusted K3 for this niche again.
I hope this clarifies my thoughts for those unclear, and I will leave it at that because I don't want to take the thread into negative territory :-)
Cheers, Dave
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 12-13-2015, 04:00 AM  
Nikon D7200+ Sigma 150-600 S vs Pentax DFA 150-450
Posted By dc1500
Replies: 43
Views: 9,918
Look - you accused me of not understanding what were you were saying. I am a lifelong and massive Pentax fan. Still am. I am not biased against Pentax which is why my remarks may be less biased than a Nikon user, which is what I meant!! All I am doing is telling everyone what I have found with a specific Pentax setup which IS suitable for bird photography and another set up which is available. In this particular set up I have found the Nikon one to focus faster and track better for this particular niche of photography. You can quote as many lenses that may be much faster but none of those are suitable for the aspect I am talking about. I DON'T have a problem with Pentax and my other lenses or uses. I can't be much clearer than that. I don't want to get into an argument because I am just trying to be helpful.
For what it's worth you can see my work here, with the most recent with the Nikon, the rest are with the Pentax. The Rough Legged Buzzard taking off I feel I may have missed with the Pentax, that type of surprise action wildlife that is unpredicatable.

https://www.flickr.com/photos/dcweather/

(Ignore the Kingfisher- it's through a glass window!)
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 12-12-2015, 04:53 PM  
Nikon D7200+ Sigma 150-600 S vs Pentax DFA 150-450
Posted By dc1500
Replies: 43
Views: 9,918
No problem. If that's what you think. I'm sure others may still find my unbiased observations with that combination for wildlife action and bird photography of some use.
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 12-12-2015, 03:36 PM  
Nikon D7200+ Sigma 150-600 S vs Pentax DFA 150-450
Posted By dc1500
Replies: 43
Views: 9,918
It would be nice if you were right. I would prefer to use a Pentax K3 with a 150-450 and the TC, although of course it would cost me more for the privilege. However the D5300 is the same generation age wise as the K3 so it is like for like from the camera aspect. You could also make the argument that the D5300 should be slower because it is not as advanced as the K3 in the range. But anyway I am not comparing to the 150-450 because I don't have that. My comparative comments relate to the DA*300+TC. As the SIgma 150-600 isn't made for the Pentax until someone does what I have done with the DFA 150-450 against Nikon +SIgma 150-600 I can't say if that is slower or faster.

---------- Post added 12-12-15 at 10:44 PM ----------

Incidentally, if I had a dollar for every time in discussions about long lenses for shooting birds and they show pictures of aeroplanes or large mammals as examples I'd be ten dollars better off as well! Compare the same, as you say :-)
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 12-12-2015, 02:48 PM  
Nikon D7200+ Sigma 150-600 S vs Pentax DFA 150-450
Posted By dc1500
Replies: 43
Views: 9,918
I'm afraid yes, it appears that way.
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 12-10-2015, 03:52 PM  
Nikon D7200+ Sigma 150-600 S vs Pentax DFA 150-450
Posted By dc1500
Replies: 43
Views: 9,918
I think you'll find that all of the above mentioned combinations will produce high quality sharp images. Nevertheless I went for a mid range Nikon body(D5300) and the Sigma 150-600mm 'C' ,(Combo cost me just over 1100 new) I kept my existing K3 DA*300 + Pentax 1.4TC. The main reason I went for this combination was wanting action wildlife on a budget.
So far I would say focusing speed, tracking, stabilisation are,sadly, in a different league to the Pentax combination! And if the Sport version is sharper it must be one hell of a lens because this combination, after his slight cropping to get same image size, is matching my mates Canon 7D(ii) plus 100-400L (new). IQ is as good or better at full reach than the Pentax +TC combo.
The best IQ is probably still the DA*300mm on its own and where focus and reach aren't an issue, and throw in f4, I would use that, especially as the K3 is a superior camera.
Dave
Forum: Pentax SLR Lens Discussion 12-06-2015, 04:15 PM  
150-450 v 150-500 v 300 + 1.4TC
Posted By dc1500
Replies: 62
Views: 6,604
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This may not be what some want to hear. But I am a wildlife photographer, predominantly birds. I have stuck with Pentax because the image quality with the DA*300 is sensational.I went to the Sigma 150-500 and that was good for reach but a bit softer. For the last year roughly I have been using the DA*300+1.4TC with my K3. The results are superb with little IQ degradation. But there is a big downside. AF ability. I noticed I was missing so many bird action shots when situations changed suddenly. And all the Canikon boys were getting them. Aircraft were simple, absolutely no problem. On the other forum they liked to say It was a user problem (at the same time some members were saying my pics were the best bird shots they'd seen!). Well there was only one way to resolve this. I bought a mid range Nikon D5300 (doesn't hold a candle to the K3 in most respects although same sensor) cheaply and put the unavailable for Pentax Sigma 150-600mm Contemporary lens on it. I'm afraid the AF ability is in a different world. I'm hitting almost every shot, including hand held BIF despite the combination being slightly heavier and bulkier and the reach longer. The IQ is also at least on a par with the other combination and the camera and lens cost me 1100. I have no intention of ditching my wonderful Pentax K3 system and I appreciate the K3 ii +150-450 may have some improvements to AF speed and tracking but it would have to be an order of magnitude to match this combo for this type of shot I'm afraid.
Dave
https://www.flickr.com/photos/dcweather/
Forum: Lens Clubs 08-23-2015, 03:17 AM  
Post your HD PENTAX-D FA 150-450mm F4.5-5.6 ED DC AW pictures!
Posted By dc1500
Replies: 1,708
Views: 233,854
Really sorry - but these look very soft, not sharp or detailed at all to me. Perhaps it's the upload software. Is it me - what do others think.
Forum: Lens Clubs 07-05-2015, 04:43 PM  
Post your HD PENTAX-D FA 150-450mm F4.5-5.6 ED DC AW pictures!
Posted By dc1500
Replies: 1,708
Views: 233,854
Any serious bird photographer knows that this is the exact issue. IQ is not a problem with the DA*300 with or without the TC. It is all about "getting the shot" and the hunting and tracking is still dire compared to Nikon and Canon. It struggles to initially locate an image that is occupying 10% of the screen against a blank sky. You learn how to be ready but it usually hunts and is too late for those magical moments much of the time. That's the comparison needed between the two, but I doubt it will be that much different as it is a camera issue as much as a lens issue.
Forum: Welcomes and Introductions 07-05-2015, 04:20 PM  
New to k30
Posted By dc1500
Replies: 20
Views: 1,538
First question - did you have an Oric home computer ;-) ? I did and still have it! I've had several of the lower level model Pentax DSLR's after coming from a Panasonic superzoom as well. I had those two lenses on my K30 and never had any of the issues you are having. How far away from that flower were you? I'm assuming you weren't inside the minimum focus distance? If that's the best you can get I would think the camera has a major focusing fault. Hand held I would expect at 1/300 of a second to get most in focus with SR on and that is a very sharp lens in its price range.
Dave
Forum: Pentax K-30 & K-50 07-05-2015, 03:32 PM  
K30 - silly questions
Posted By dc1500
Replies: 50
Views: 4,310
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You need to get out more then ;)
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