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Forum: Troubleshooting and Beginner Help 12-21-2016, 07:04 AM  
Focusing: K20D & Vivitar Series 1 70-210 f2.8-4.0 Macro (Komine with "A")
Posted By johnnynaps
Replies: 5
Views: 811
You do learn something new every day! Helpful and appreciated replies from all. I'm really enjoying this Viv lens; have nothing that comes close to it overall in my small collection of AF zoom lenses.
Forum: Film SLRs and Compact Film Cameras 12-20-2016, 06:56 PM  
A Pristine H2
Posted By johnnynaps
Replies: 22
Views: 2,481
Sweet! Makes one want to go back, er - up to film again!
Forum: Troubleshooting and Beginner Help 12-20-2016, 06:31 PM  
Focusing: K20D & Vivitar Series 1 70-210 f2.8-4.0 Macro (Komine with "A")
Posted By johnnynaps
Replies: 5
Views: 811
Great! Thanks for the tips!
Forum: Troubleshooting and Beginner Help 12-20-2016, 05:46 PM  
Focusing: K20D & Vivitar Series 1 70-210 f2.8-4.0 Macro (Komine with "A")
Posted By johnnynaps
Replies: 5
Views: 811
Hello!

I recently obtained a very nice Vivitar Series 1 70-210 f2.8-4.0 manual focus (Komine) lens. I held out for one with the "A" setting and was fortunate to finally find one.

I'm having trouble getting and keeping the solid green in-focus indicator light on my K20D. I get it, it blinks away, I get it again - it blinks away again! I set the camera to manual focus mode, "P" on the dial, and the lens into the "A" position. It's been a challenge to obtain the right focus (occurs in Av and other camera modes, too).

Thanks and Happy Holidays!
Forum: Troubleshooting and Beginner Help 06-18-2016, 05:53 AM  
Tokina 80-300 SX-Z 4.5-5.6
Posted By johnnynaps
Replies: 2
Views: 898
Thanks mgvh. You are correct, it's the 80-200 SZ-X. I'll leave the pin as is and read up now on catch in focus with the K20D.
Forum: Troubleshooting and Beginner Help 06-17-2016, 03:56 PM  
Tokina 80-300 SX-Z 4.5-5.6
Posted By johnnynaps
Replies: 2
Views: 898
Hi all!

Brand new here and very glad to see some very helpful and informative info on Pentax/Ricoh gear.

I'm awaiting delivery of a Tokina 80-300 SX-Z f1:4.5-5.6 lens (52 mm filter; read some very good reviews here before purchasing). I'll be using it with my trusty K20D. This will be my first non-DA lens.

The lens appears to have either a Ricoh brass pin or nub on the mount. I've read a bit about the possibility of that pin/nub becoming lodged in the AF slot of some cameras. That would not be good, so prior to mounting the lens on the K20D, should I remove it? I ask because in all the reviews here, I didn't see any mention of the pin issue.

Thanks!
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