Pentax DSLR tips

cali92rs · 10-18-2015, 12:01 PM - **1 Like**

There are other reasons why people use back button focusing. I am just glad that Pentax, Nikon and Canon all include a dedicated AF button on their pro cameras. Judging by all the folks that have gone out of their way to write articles about their reasons why they prefer BBF, and dont consider it a "complication" or "less sophisticated ", i am not the only one that feels that way.
Of course it is preference and there are plenty of ways to skin this cat.

audiobomber · 10-18-2015, 06:49 PM

Originally posted by cali92rs

There are other reasons why people use back button focusing.

What reasons?

romeck · 10-18-2015, 07:46 PM - **1 Like**

Originally posted by cali92rs

How complicated is it to use your thumb instead of pointer finger to focus?

Zero.
Using since 5 years.

----------

Originally posted by cali92rs

There are other reasons why people use back button focusing.

Originally posted by audiobomber

What reasons?

Not to refocus when pressing shutter button.

cali92rs · 10-18-2015, 08:25 PM

I like my meter decoupled from AF. I also dont want the AF to mess up my quickshifted focus by me pressing half pressing the shutter.
Also as mentioned above, I want to fire off multiple shots without activating AF.
I never have to leave AF-C because it acts as AF-S as soon as i let go of AF on button .

**Canada_Rockies** · 10-18-2015, 08:39 PM

Originally posted by audiobomber

What reasons?

DA 55-300 will hunt all the way to both ends at times, as will some other lenses (and not only on Pentax, BTW) and this way I don't have to let it try to focus when I don't want it to. If I want the lens/camera combination to attempt autofocus, I press the button with my thumb. If I don't I don't press the AF button.

mcgregni · 10-19-2015, 02:30 AM

Originally posted by cali92rs

I like my meter decoupled from AF. I also dont want the AF to mess up my quickshifted focus by me pressing half pressing the shutter.
Also as mentioned above, I want to fire off multiple shots without activating AF.
I never have to leave AF-C because it acts as AF-S as soon as i let go of AF on button .

Strong pluses indeed. The most important for me is the decoupling of AF from metering ... They are independent functions and best considered that for practical shooting.

10-18-2015, 07:46 PM - 1 Like	#18
romeck Senior Member Join Date: Oct 2012 Location: Piekary Śląskie Photos: Albums Posts: 155	Originally posted by cali92rs How complicated is it to use your thumb instead of pointer finger to focus? Zero. Using since 5 years. ---------- Originally posted by cali92rs There are other reasons why people use back button focusing. Originally posted by audiobomber What reasons? Not to refocus when pressing shutter button. Last edited by romeck; 10-18-2015 at 07:54 PM.

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10-18-2015, 12:01 PM - 1 Like	#16
cali92rs Veteran Member Join Date: May 2011 Location: Long Beach, CA Posts: 3,354	There are other reasons why people use back button focusing. I am just glad that Pentax, Nikon and Canon all include a dedicated AF button on their pro cameras. Judging by all the folks that have gone out of their way to write articles about their reasons why they prefer BBF, and dont consider it a "complication" or "less sophisticated ", i am not the only one that feels that way. Of course it is preference and there are plenty of ways to skin this cat.

10-18-2015, 06:49 PM	#17
audiobomber Veteran Member Join Date: May 2008 Location: Sudbury, Ontario Photos: Albums Posts: 6,806	Originally posted by cali92rs There are other reasons why people use back button focusing. What reasons?

10-18-2015, 08:25 PM	#19
cali92rs Veteran Member Join Date: May 2011 Location: Long Beach, CA Posts: 3,354	I like my meter decoupled from AF. I also dont want the AF to mess up my quickshifted focus by me pressing half pressing the shutter. Also as mentioned above, I want to fire off multiple shots without activating AF. I never have to leave AF-C because it acts as AF-S as soon as i let go of AF on button .

10-18-2015, 08:39 PM	#20
Canada_Rockies Loyal Site Supporter Join Date: Nov 2007 Location: Sparwood, BC, Canada Photos: Gallery \| Albums Posts: 12,385	Originally posted by audiobomber What reasons? DA 55-300 will hunt all the way to both ends at times, as will some other lenses (and not only on Pentax, BTW) and this way I don't have to let it try to focus when I don't want it to. If I want the lens/camera combination to attempt autofocus, I press the button with my thumb. If I don't I don't press the AF button.

10-19-2015, 02:30 AM	#21
mcgregni Veteran Member Join Date: Sep 2012 Location: Surrey, England Posts: 2,603	Originally posted by cali92rs I like my meter decoupled from AF. I also dont want the AF to mess up my quickshifted focus by me pressing half pressing the shutter. Also as mentioned above, I want to fire off multiple shots without activating AF. I never have to leave AF-C because it acts as AF-S as soon as i let go of AF on button . Strong pluses indeed. The most important for me is the decoupling of AF from metering ... They are independent functions and best considered that for practical shooting.