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Forum: Monthly Photo Contests 11-08-2020, 04:28 PM  
Spring butterfly
Posted By Snoopy
Replies: 15
Views: 332
detail! focus and symmetry
Forum: Post Your Photos! 07-02-2013, 12:02 PM  
Black & White Beauty In Shadow
Posted By Snoopy
Replies: 1
Views: 637
My pet cockatiel Snoopy... not camera shy.
Forum: Monthly Photo Contests 11-28-2006, 09:19 AM  
Snoopy In Shadow(Portrait)
Posted By Snoopy
Replies: 0
Views: 1,538
Portrait of pet cockatiel

Jack
Forum: Pentax SLR Lens Discussion 10-22-2006, 12:24 PM  
Kit-Lens persuades new buyer
Posted By Snoopy
Replies: 3
Views: 2,216
The reason the front element doesn't move while focusing is because it is an internal focus lens (IF), that is, the elements move within the barrel rather then moving the external front element. Many lenses have this feature and it is handy when using a Polarizer that must be turned to acheive maximum results. That's why one can use a "Petal" type hood... if you notice the bottom petal of the Pentax kit lens comes off to allow easier rotation of a polarizing filter.:rolleyes:
Forum: Pentax SLR Lens Discussion 10-05-2006, 06:57 PM  
Sigma 28-300 f3.5-6.3 DG SLD
Posted By Snoopy
Replies: 3
Views: 6,094
Thanks Jeff for the reply... I bought the Tamron 28-300 AF LD XR DI from KEH but they sent me a regular XR instead of the DI, for the price of a "BGN" Di... so I returned it for an exchange and KEH said there wasn't a DI available for the price I paid. So I purchased a new Sigma 28-300 AF 3.5/6.3 DG SLD Macro with IF instead, from Sigma4Less. Just curious if anyone had used one.

Jack
Forum: Pentax SLR Lens Discussion 10-05-2006, 12:56 PM  
Sigma 28-300 f3.5-6.3 DG SLD
Posted By Snoopy
Replies: 3
Views: 6,094
Has anyone had any experience with this lens, Sigma F3.5-6.3 DG SLD Macro with internal AF on a *IstDL It's not a true macro with 1:1 or 1:2, but it will close focus. I have not had a chance to use it often enough outside make a determination of it capabilities although, it does pretty well with flash and low light. :D but not as good as my old Asahi M-50mm 1:2 f2.0... sure like that old lens.

Jack
Forum: Pentax DSLR Discussion 10-05-2006, 09:47 AM  
Can someone walk me through the steps?
Posted By Snoopy
Replies: 10
Views: 3,069
How far away is the object that you are trying to bring into focus and does it have sufficient contrast?
Forum: Pentax DSLR Discussion 10-03-2006, 04:59 PM  
K100D weakness
Posted By Snoopy
Replies: 20
Views: 5,118
Leaton
I too made a "cable" release from RS parts. You have to utilize 2 buttons... 1 for shutter and 1 for autofocus. Auto forcus works just fine.
Jack
Forum: Pentax SLR Lens Discussion 09-28-2006, 10:56 AM  
Stupid Question re Lens Hoods
Posted By Snoopy
Replies: 12
Views: 2,884
Hello All! This is my first post here been lurking in the wings reading all the good comments and info. I thought I would throw in my 2 cents. An important point to remember, make sure the lens on which you are installing a petal type hood is an internal focus (IF) lens, or that the front element does not rotate while focusing. Otherwise, the hood will never be correctly oriented in relation to the vertical or horizontal.:D
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