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Pentax 77mm 1.8 limited $699 B&H
Posted By: lifeofdavid, 07-29-2016, 08:45 AM

Just picked this up

Pentax Telephoto SMCP-FA 77mm f/1.8 Limited Series 27980 B&H


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07-29-2016, 10:30 AM   #2
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I'm trying to be good...i didn't want to see this. I love my 77mm but mine got dunked in the river and although it was cleaned by eric and looks great, the contacts died after 6 months and is now a manual focus lens. I prefer autofucus. Not sure what to do...eek
07-29-2016, 01:22 PM   #3
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QuoteOriginally posted by pearsaab Quote
I'm trying to be good...i didn't want to see this. I love my 77mm but mine got dunked in the river and although it was cleaned by eric and looks great, the contacts died after 6 months and is now a manual focus lens. I prefer autofucus. Not sure what to do...eek
That's a painful dilemma Amy, to have and have lost is probably tougher than to want. I want it but it can't happen now. I don't know what you could sell a damaged copy for, probably not enough to make much of a dent. If you really loved it, hard to pass it up. Good luck deciding.
07-29-2016, 04:10 PM - 2 Likes   #4
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QuoteOriginally posted by pearsaab Quote
I'm trying to be good...i didn't want to see this. I love my 77mm but mine got dunked in the river and although it was cleaned by eric and looks great, the contacts died after 6 months and is now a manual focus lens. I prefer autofucus. Not sure what to do...eek
That's unfortunate. I also prefer autofocus.

If you haven't already, I'd get in touch with Brian (dcshooter) and send it to him. Eric isn't the end all be all resource for lens repair.

07-29-2016, 11:16 PM   #5
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Does anyone know the exact focal length for APS-C ? around 50 ish?
07-29-2016, 11:32 PM - 1 Like   #6
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QuoteOriginally posted by talkskiwon Quote
Does anyone know the exact focal length for APS-C ? around 50 ish?
Focal length is always fixed, whether it's mounted on a FF or crop sensor camera.

Due to the 1.53x crop factor the FA 77 on a APS-C will give you a field of view equivalent to approximately 118mm on FF.

EDIT:
In other words, a 77mm focal length on APS-C will give you the same field of view as a 118mm lens on FF. It can be a bit confusing (really?) but I hope that helps. Check out this article.

Last edited by a5m; 07-31-2016 at 10:54 AM.
07-30-2016, 01:05 AM   #7
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Thanks for the link to the article. Great help!
07-30-2016, 03:02 AM   #8
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QuoteOriginally posted by talkskiwon Quote
Thanks for the link to the article. Great help!
My pleasure

07-30-2016, 03:41 PM   #9
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The $700 price point doesn't last long. I bought one at $699 on a one-day sale in 2014. It was literally one day.
07-31-2016, 04:24 AM   #10
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Offer ends Aug 1 '16 at 11:59 PM EDT. At least, that is what they have put on the web page.
07-31-2016, 07:11 AM - 2 Likes   #11
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QuoteOriginally posted by a5m Quote
Focal length is always fixed, whether it's mounted on a FF or crop sensor camera.

Due to the 1.53x crop factor the FA 77 on a APS-C will give you a field of view equivalent to approximately 118mm on FF.

In other words, a 118mm focal length on APS-C will give you the same field of view as the 77mm will give you on FF. It can be a bit confusing but I hope that helps. Check out this article.
You wrote that backwards. 118mm on full frame looks similar to 77 on apsc. The field of view (angle of coverage) is narrower on apsc due to cropping off the parts that don't fit on the sensor.
07-31-2016, 08:17 AM   #12
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QuoteOriginally posted by pearsaab Quote
I'm trying to be good...i didn't want to see this. I love my 77mm but mine got dunked in the river and although it was cleaned by eric and looks great, the contacts died after 6 months and is now a manual focus lens. I prefer autofucus. Not sure what to do...eek
  1. Buy the new lens
  2. Send the old one to Brian for his opinion
  3. Sell the old one, whether repaired or as is.
That's what I would do anyway.
07-31-2016, 10:52 AM   #13
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QuoteOriginally posted by UncleVanya Quote
You wrote that backwards. 118mm on full frame looks similar to 77 on apsc. The field of view (angle of coverage) is narrower on apsc due to cropping off the parts that don't fit on the sensor.
Lol wow you are absolutely right. I remember thinking it sounded like a contradiction when I wrote that. I promise I understand how it works! Thanks for pointing that out though .
07-31-2016, 11:03 AM - 1 Like   #14
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QuoteOriginally posted by a5m Quote
Lol wow you are absolutely right. I remember thinking it sounded like a contradiction when I wrote that. I promise I understand how it works! Thanks for pointing that out though .
I figured you did - you gave the right link and seemed on top of it. Words sometimes get jumbled up. Didn't want to confuse anyone.
07-31-2016, 11:17 AM   #15
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QuoteOriginally posted by UncleVanya Quote
I figured you did - you gave the right link and seemed on top of it. Words sometimes get jumbled up. Didn't want to confuse anyone.
The crop factor is confusing enough as it is, so you definitely did the right thing. I appreciate you giving me the benefit of the doubt.
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