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06-06-2020, 06:08 AM - 9 Likes   #19006
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Telephoto Bokeh

SMC-K 300mm f4 @ f8


06-06-2020, 07:48 AM - 9 Likes   #19007
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...bokehed model...



Pentax K-1; Samyang 135/2.0; @f/2.0; in camera cropped out of camera jpg
06-06-2020, 10:49 AM - 5 Likes   #19008
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Flower BK

Medium format flower bokeh at f 2.8.

KIT: 645Z with Pentax 67 75mm f 2.8 AL.
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06-06-2020, 11:52 AM - 8 Likes   #19009
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Singing in the bright sun.

SMC-K 300mm f4 at f8


06-06-2020, 01:37 PM - 4 Likes   #19010
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Four things to guess:
1. lens used
2. focal length
3. aperture (f number)
4. temperature in Fahrenheit
06-06-2020, 02:02 PM - 9 Likes   #19011
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Flowers falling out of focus...

06-06-2020, 04:00 PM   #19012
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QuoteOriginally posted by hjortron Quote

Four things to guess:
1. lens used
2. focal length
3. aperture (f number)
4. temperature in Fahrenheit

-Pentax Lens

-120mm
-f4
-60.8F
06-06-2020, 04:51 PM - 11 Likes   #19013
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Garden visit again:















06-06-2020, 05:09 PM - 8 Likes   #19014
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K-1...FA43



06-07-2020, 12:15 AM - 1 Like   #19015
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QuoteOriginally posted by Riggomatic Quote
-Pentax Lens

-120mm
-f4
-60.8F
From the EXIF info:

Lens Type: SMC Pentax-DA L 50-200mm F4-5.6 ED WR
Focal Length: 57.5 mm (on APS-C)
F Number 4.0
Camera Temperature 22 C (=71.6F)

Good job: Your focal length/F Number estimates were quite close to actual numbers.
06-07-2020, 12:54 AM - 7 Likes   #19016
dbs
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Rust and bokeh


06-07-2020, 01:41 AM - 4 Likes   #19017
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KP + DA 16-85
06-07-2020, 07:51 AM - 2 Likes   #19018
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Super-Takumar 85mm 1:1.9 on 19mm extension tube:
06-07-2020, 09:03 AM - 6 Likes   #19019
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K1 + 100mm Macro WR

IMGP5611


IMGP5616
by oktyabr, on Flickr
06-07-2020, 09:58 AM - 15 Likes   #19020
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DA* 55




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