Forgot Password
Pentax Camera Forums Home
 

Showing results 1 to 25 of 300 Search:
Forum: Monthly Photo Contests 03-09-2017, 09:56 AM  
The thinker
Posted By spystyle
Replies: 21
Views: 734
Nominated :)

Greets from Maine :)
Forum: General Photography 08-04-2016, 10:36 AM  
Recommended camera repair for Russian stuff ?
Posted By spystyle
Replies: 3
Views: 452
Now for an odd question :)

I have a Kiev 6C medium format SLR and it needs repair.

Do any of you have any suggestions about who to send it to ?

The only camera repair guy I know is strictly Pentax, and you know who he is LOL.

Thanks !
Craig
Forum: Troubleshooting and Beginner Help 07-16-2016, 07:45 AM  
SDM vs Screw Drive, Why is only one of them silent?
Posted By spystyle
Replies: 13
Views: 2,289
I realize this is an old thread, but I have relevant info LOL.

Buying and trading gear, I temporarily had a Nikon D90 with a Tamron 18-250mm lens, and a Pentax K-R with a Tamron 18-250mm lens. Both lenses are A18, identical, both are AF screw.

(Tamron also has an 18-250 lens with a motor inside for D40, etc)

OK, I can tell you that between the K-R and the D90, the same AF lens, the K-R is at least 3X louder when focusing, if not more.

Let's stop fooling ourselves, the Pentax AF is louder than competitors - it may be in an effort to sell more high end lenses, or to cut costs, but the result is a loud AF.



Forum: Pentax SLR Lens Discussion 07-11-2016, 07:50 PM  
Both my DA 35 2.4 and my DA 50 1.8 neded minus 10 AF adjustment, LOL.
Posted By spystyle
Replies: 4
Views: 561
Those were after minus 10 was applied to my K-R.

I'm not affiliated with any sellers, but I'd like to spread the word about that $4 tester.

I wonder if anyone else is finding their prime's focuses are off ?

Also, sorry I posted this in the wrong forum LOL.

I also wonder if it's my camera that is off, rather than my lenses ....
Forum: Pentax SLR Lens Discussion 07-11-2016, 06:19 PM  
Both my DA 35 2.4 and my DA 50 1.8 neded minus 10 AF adjustment, LOL.
Posted By spystyle
Replies: 4
Views: 561
Hello from Maine.

I wonder if this is common ? Both my "DA 35 f/2.4" and "DA 50 f/1.8" needed a minus 10 AF fine adjustment inputted into my K-R.

I use this cheap but effective lens calibration card, $4 :

Lens Focus Calibration dslrkit | eBay

I was surprised that both my prime lenses were off by 10.

OK, thanks :)
Craig
Forum: Monthly Photo Contests 12-18-2015, 08:25 AM  
Poll: Expired Contest Poll VOTE NOW - Photo Contest #111 Poll (Motion - November 2015)
Posted By spystyle
Replies: 110
Views: 10,206
#14.

They are all great, but I want to go west LOL, So #14 speaks to me.
Forum: Monthly Photo Contests 12-10-2015, 07:41 PM  
Rainy day
Posted By spystyle
Replies: 4
Views: 352
Awesome :)
Forum: Monthly Photo Contests 07-02-2015, 08:50 AM  
Departing
Posted By spystyle
Replies: 26
Views: 1,256
Neat :)
Forum: Monthly Photo Contests 07-02-2015, 08:49 AM  
Remains of the past glory
Posted By spystyle
Replies: 2
Views: 259
Awesome :)
Forum: Monthly Photo Contests 07-02-2015, 06:45 AM  
Converging Potsdamer Platz
Posted By spystyle
Replies: 1
Views: 256
Awesome :)
Forum: Pentax SLR Lens Discussion 05-25-2015, 12:10 PM  
Sigma Zoom Master 35-70mm f/2.8-4 lens
Posted By spystyle
Replies: 4
Views: 6,643
I found this thread from Google, so I figured others might find it from Google. Since I don't have the ability to delete the thread I figured I'd just add some relevant information.

But we could ask a moderator to delete the thread.

Google indexes old threads with outdated information, in my mind it's an issue ... So I do resurrect old threads sometimes.
Forum: Pentax SLR Lens Discussion 05-24-2015, 05:48 PM  
Sigma Zoom Master 35-70mm f/2.8-4 lens
Posted By spystyle
Replies: 4
Views: 6,643
Forum: Sold Items 05-24-2015, 12:38 PM  
For Sale - Sold: SMC Pentax-DA 35mm F2.4 AL
Posted By spystyle
Replies: 3
Views: 720
Payment sent :)
Forum: Sold Items 05-24-2015, 12:00 PM  
For Sale - Sold: Q10 and 03 Fisheye
Posted By spystyle
Replies: 10
Views: 1,338
Move to sold ?
Forum: Sold Items 05-23-2015, 01:23 PM  
For Sale - Sold: DA 50mm f1.8
Posted By spystyle
Replies: 3
Views: 1,066
Sell it to me :) I'm ready to buy it.

Greetings from Maine, sometimes called "Little Alaska" LOL.
Forum: Pentax Film SLR Discussion 05-23-2015, 07:23 AM  
I love the Pentax P3 from 1988
Posted By spystyle
Replies: 34
Views: 10,349
I do love Guinness :)
Forum: Pentax Forums Giveaways 12-09-2014, 06:32 PM  
Win an FA 31mm Ltd: PF 3 million post giveaway!
Posted By spystyle
Replies: 2,237
Views: 102,374
Simply make at least one thread or reply anywhere on the forum any time from now until the forum post count reaches 3,000,000
Forum: Pentax SLR Lens Discussion 07-19-2013, 09:42 PM  
18-55 lens only has 37mm of range ...
Posted By spystyle
Replies: 20
Views: 1,621
Well I was specifically comparing the current kit lens to the last kit lens, 28-80mm.

But it's all resolved now, and a Tammy 18-250 is in my future :)

Cheers,
Craig
Forum: Pentax SLR Lens Discussion 07-18-2013, 11:23 AM  
18-55 lens only has 37mm of range ...
Posted By spystyle
Replies: 20
Views: 1,621
Good points all around :)
Forum: Pentax SLR Lens Discussion 07-17-2013, 08:07 AM  
18-55 lens only has 37mm of range ...
Posted By spystyle
Replies: 20
Views: 1,621
That's a good idea :)
Forum: Pentax SLR Lens Discussion 07-17-2013, 07:20 AM  
18-55 lens only has 37mm of range ...
Posted By spystyle
Replies: 20
Views: 1,621
Thanks all for chiming in :)
Forum: Pentax SLR Lens Discussion 07-16-2013, 08:17 PM  
18-55 lens only has 37mm of range ...
Posted By spystyle
Replies: 20
Views: 1,621
55 divided by 18 = 3.05 (as in 3X zoom range)

80 divided by 28 = 2.8 (as in 2.8X zoom range)

Oh mind blown again !
Forum: Pentax SLR Lens Discussion 07-16-2013, 05:59 PM  
18-55 lens only has 37mm of range ...
Posted By spystyle
Replies: 20
Views: 1,621
Hmmm "equivalent" ...

18mm x 1.5 = 27 "equivalent"
55 x 1.5 = 82.5 "equivalent"
82.5 - 27 = 55.5 "equivalent" range ...

Mind blown ! LOL

How about 28-80mm on a DX sensor ...
28 x 1.5 = 42 "equivalent"
80 x 1.5 = 120 "equivalent"
120 - 42 = 78mm "equivalent" range !

LOL

How about an 18-55mm lens on a micro four thirds camera ? (like an Olympus E-PL1 with 2x crop factor)

18 x 2 = 34mm "equivalent"
55 x 2 = 110mm "equivalent"
110 - 34 = 66mm "equivalent" range

How about an 18-55mm lens on a Pentax Q with it's 5.64 crop factor.

18 x 5.64 = 101.52
55 x 5.64 = 310.2
310.2 - 101.52 = 208.68mm "equivalent" range

But I wonder why we consider the "35mm film equivalent" anyway ?

An 18-55mm lens is an 18-55mm lens, period. And our DX sensors are DX sensors, not equivalent to 35mm film.

I think this whole "equivalent" fiasco is just a way for manufacturers to trick us.

The literal fact is, our current kit lenses have less literal range than yesterday's kit lenses. 37mm on 18-55mm lenses versus 52mm on 28-80mm lenses. 18-70mm would be the same range.

OK thanks,
Craig
Forum: Pentax SLR Lens Discussion 07-16-2013, 05:31 PM  
18-55 lens only has 37mm of range ...
Posted By spystyle
Replies: 20
Views: 1,621
Howdy from Maine USA :)

OK, it's Summer at the time of this writing. There is so much Sunshine during the day that an aperture of f/8~f/11 is all I need.

The idea for a lens :

Honestly, considering how sunny it is in the Summer during the day, I think a manufacturer should release an 18-200mm f/8 - I bet that would be nice and lightweight with lots of range.

The conspiracy :

So I'd like more focal range, my 18-55mm lens just feels so ... short.

So I started to think of focal range, I did the math 55 minus 18 and that's 37mm of range.

Well compared to the old kit lenses 28-80mm, they had 52mm of range !

Now I realize kit lenses are shrinking in range !

Cheers,
Craig
Forum: Photographic Technique 07-16-2013, 02:53 PM  
MTF program mode, w00t !
Posted By spystyle
Replies: 7
Views: 1,857
Hey I learned how to read MTF charts :)

Czech out this quick video explanation (if you don't know how) :
















You Tube






I don't have any MTF charts, but I'll see if I can find some.
Search took 0.01 seconds | Showing results 1 to 25 of 300

 
Forum Jump


All times are GMT -7. The time now is 06:30 PM. | See also: NikonForums.com, CanonForums.com part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top