The Bokeh Club

BethC · 06-26-2018, 05:42 PM - **9 Likes**

Adding a shot from this evening of "Curly" and some Bokeh....

Last edited by BethC; 07-03-2018 at 04:04 PM.

**onlineflyer** · 06-26-2018, 06:21 PM - **9 Likes**

K 50 @1.2 ivory bokeh

**Riggomatic** · 06-26-2018, 06:33 PM - **6 Likes**

Finn sitting still (for a second).
K135 f2.5 at f4

**onlineflyer** · 06-26-2018, 06:38 PM

Originally posted by Riggomatic

Finn sitting still (for a second).
K135 f2.5 at f4

Good looking pup.

**Scorpio71GR** · 06-26-2018, 06:41 PM - **2 Likes**

K3 and DA*55 @ 2.2

**Riggomatic** · 06-26-2018, 06:48 PM

Originally posted by onlineflyer

Good looking pup.

Thank you...

**WPRESTO** · 06-26-2018, 07:28 PM

Thanks for compliments. Wish I could show you some of the hummingbird images taken by Les Campbell, a local pro. He has a shady spot, sets up multiple strobes, puts drops of sugar water into real flowers that are in little vases to keep them fresh. Only the petals show in the images. With the dim light and strobes very close he is sometimes get exposures times around 1/25000 second. BTW, Les never converted to digital, and for this type of photography he uses a 'blad because the 1/500 sync speed eliminates any possibility of recording a ghost blur.

**onlineflyer** · 06-26-2018, 07:43 PM

Originally posted by WPRESTO

Thanks for compliments. Wish I could show you some of the hummingbird images taken by Les Campbell, a local pro. He has a shady spot, sets up multiple strobes, puts drops of sugar water into real flowers that are in little vases to keep them fresh. Only the petals show in the images. With the dim light and strobes very close he is sometimes get exposures times around 1/25000 second. BTW, Les never converted to digital, and for this type of photography he uses a 'blad because the 1/500 sync speed eliminates any possibility of recording a ghost blur.

Is that 1 / 25,000 or a misprint? What camera shoots that fast? Just curious.

swanlefitte · 06-26-2018, 08:08 PM

The flash is a very short duration so if its the only light shutter doesnt matter. Put your shutter on 30sec in pitch dark and fire a flash. The flash time is effectively the shutter speed since nothing is recorded the rest of ther 30secs.

Thus the 1/500 shutter speed ensures there is not enough natural light to hit the sensor.

**jmschrei** · 06-26-2018, 11:14 PM - **1 Like**

DA 16-85

LensBeginner · 06-27-2018, 02:14 AM - **1 Like**

Originally posted by BethC

Adding a shot from this evening of "Curly" and some Bokeh....

Dunno what's curlier... the wool or the bokeh!

Nice shot!

Jonathan Mac · 06-27-2018, 03:15 AM - **4 Likes**

Cross-posted from the "M" thread. M 85mm f/2 on Fujifilm X-M1.

DSCF4175a by Jonathan MacDonald, on Flickr

**aslyfox** · 06-27-2018, 03:34 AM - **2 Likes**

another B bokeh

K 3 II + HD PENTAX-DA 16-85mm F3.5-5.6 ED DC WR

**Hattifnatt** · 06-27-2018, 03:39 AM - **3 Likes**

Statue bokeh (with FA 43mm Ltd).

**WPRESTO** · 06-27-2018, 03:46 AM

Originally posted by onlineflyer

Is that 1 / 25,000 or a misprint? What camera shoots that fast? Just curious.

As swanlefitte pointed out, it's the duration of the strobe blip that can be cut down to 1/25000. If the the light is dim, such that a shutter speed of 1/500 will record nothing, then only the extremely short strobe blip determines the exposure time. This capacity of strobes has been used since they became available to photographers after WWII when they were invented for use in night-time aerial surveillance (the early airplane strobes were huge). In the early years, they were used for such things as the rebound of a drop of milk striking a shallow pan of milk, later for an arrow piecing an apple, then a bullet striking a plate of glass, etc. Way back in the 1960's a book was published of tropical hummingbirds, most (all? cannot remember) photographed in flight with wind feathers razor-sharp. Even modest sized shoe-mounted strobes can be adjusted down to a 1/16000 blip.

AND BTW: The electronic shutter in my MFT cameras can be adjusted to 1/16000.

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06-26-2018, 05:42 PM - 9 Likes	#12016
BethC Veteran Member Join Date: Feb 2008 Location: Pennsylvannia Photos: Albums Posts: 377	Adding a shot from this evening of "Curly" and some Bokeh.... Last edited by BethC; 07-03-2018 at 04:04 PM.

06-26-2018, 06:33 PM - 6 Likes	#12018
Riggomatic Loyal Site Supporter Join Date: Nov 2014 Location: Auburn, Indiana Photos: Albums Posts: 3,886	Finn sitting still (for a second). K135 f2.5 at f4

06-26-2018, 06:38 PM	#12019
onlineflyer Loyal Site Supporter Join Date: Jul 2010 Location: NW Ohio Photos: Gallery \| Albums Posts: 2,091	Originally posted by Riggomatic Finn sitting still (for a second). K135 f2.5 at f4 Good looking pup.

06-26-2018, 06:41 PM - 2 Likes	#12020
Scorpio71GR Loyal Site Supporter Join Date: Nov 2014 Location: Michigan Photos: Gallery \| Albums Posts: 6,005	K3 and DA*55 @ 2.2

06-26-2018, 06:48 PM	#12021
Riggomatic Loyal Site Supporter Join Date: Nov 2014 Location: Auburn, Indiana Photos: Albums Posts: 3,886	Originally posted by onlineflyer Good looking pup. Thank you...

06-26-2018, 07:28 PM	#12022
WPRESTO Loyal Site Supporter Join Date: Aug 2010 Location: Massachusetts Photos: Gallery \| Albums Posts: 59,108	Thanks for compliments. Wish I could show you some of the hummingbird images taken by Les Campbell, a local pro. He has a shady spot, sets up multiple strobes, puts drops of sugar water into real flowers that are in little vases to keep them fresh. Only the petals show in the images. With the dim light and strobes very close he is sometimes get exposures times around 1/25000 second. BTW, Les never converted to digital, and for this type of photography he uses a 'blad because the 1/500 sync speed eliminates any possibility of recording a ghost blur.

06-26-2018, 07:43 PM	#12023
onlineflyer Loyal Site Supporter Join Date: Jul 2010 Location: NW Ohio Photos: Gallery \| Albums Posts: 2,091	Originally posted by WPRESTO Thanks for compliments. Wish I could show you some of the hummingbird images taken by Les Campbell, a local pro. He has a shady spot, sets up multiple strobes, puts drops of sugar water into real flowers that are in little vases to keep them fresh. Only the petals show in the images. With the dim light and strobes very close he is sometimes get exposures times around 1/25000 second. BTW, Les never converted to digital, and for this type of photography he uses a 'blad because the 1/500 sync speed eliminates any possibility of recording a ghost blur. Is that 1 / 25,000 or a misprint? What camera shoots that fast? Just curious.

06-26-2018, 08:08 PM	#12024
swanlefitte Pentaxian Join Date: May 2015 Location: Minneapolis Photos: Gallery Posts: 4,068	The flash is a very short duration so if its the only light shutter doesnt matter. Put your shutter on 30sec in pitch dark and fire a flash. The flash time is effectively the shutter speed since nothing is recorded the rest of ther 30secs. Thus the 1/500 shutter speed ensures there is not enough natural light to hit the sensor.

06-26-2018, 11:14 PM - 1 Like	#12025
jmschrei Site Supporter Join Date: Apr 2010 Location: Calgary, AB Photos: Gallery \| Albums Posts: 4,884	DA 16-85

06-27-2018, 02:14 AM - 1 Like	#12026
LensBeginner Veteran Member Join Date: Sep 2014 Photos: Albums Posts: 4,696	Originally posted by BethC Adding a shot from this evening of "Curly" and some Bokeh.... Dunno what's curlier... the wool or the bokeh! Nice shot!

06-27-2018, 03:15 AM - 4 Likes	#12027
Jonathan Mac Pentaxian Join Date: Apr 2009 Location: Madrid, Spain Posts: 10,897	Cross-posted from the "M" thread. M 85mm f/2 on Fujifilm X-M1. DSCF4175a by Jonathan MacDonald, on Flickr

06-27-2018, 03:39 AM - 3 Likes	#12029
Hattifnatt Site Supporter Join Date: Mar 2013 Location: Bucharest Photos: Gallery Posts: 4,625	Statue bokeh (with FA 43mm Ltd).

06-27-2018, 03:46 AM	#12030
WPRESTO Loyal Site Supporter Join Date: Aug 2010 Location: Massachusetts Photos: Gallery \| Albums Posts: 59,108	Originally posted by onlineflyer Is that 1 / 25,000 or a misprint? What camera shoots that fast? Just curious. As swanlefitte pointed out, it's the duration of the strobe blip that can be cut down to 1/25000. If the the light is dim, such that a shutter speed of 1/500 will record nothing, then only the extremely short strobe blip determines the exposure time. This capacity of strobes has been used since they became available to photographers after WWII when they were invented for use in night-time aerial surveillance (the early airplane strobes were huge). In the early years, they were used for such things as the rebound of a drop of milk striking a shallow pan of milk, later for an arrow piecing an apple, then a bullet striking a plate of glass, etc. Way back in the 1960's a book was published of tropical hummingbirds, most (all? cannot remember) photographed in flight with wind feathers razor-sharp. Even modest sized shoe-mounted strobes can be adjusted down to a 1/16000 blip. AND BTW: The electronic shutter in my MFT cameras can be adjusted to 1/16000.