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Forum: Pentax K-r
10-27-2012, 07:36 AM
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Sounds like a pretty nice deal. Be careful using that Vivitar flash, if it's an older one it may not be safe to use with a DSLR. Check the flash forums for more info on flash voltages.
Re: the green button ---> https://www.pentaxforums.com/forums/pentax-beginners-corner-q/110658-using-ma...x-dslrs-f.html Use the green button on non-A lenses.
JimJohnson posted some useful info above also. Your A-lens doesn't require the green button, you can shoot in any mode you like. You still have to focus manually, of course :)
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Forum: Pentax K-r
10-27-2012, 06:19 AM
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#1- see attached pdf on using the Green Button (link below)
#2- Following the posts in this thread on DPReview
#3- Make ALL lens perform as though they are A-series lens. This involves two steps:- short the A contact on your camera body
- apply insulator spots on the lens flange
Both are non-destructive and fully reversible.
See this thread and then scroll up a couple posts for the text. ***note that when using a non-A lens in this fashion, you may have to do some exposure compensation as manual lens apertures don't always behave the same way as the aperture on an A-series lens. It just takes a couple tests shots to create a 'cheat sheet'.
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