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<blockquote data-quote="WayneF" data-source="post: 350593" data-attributes="member: 12496">I wouldn't know where to find a Whitworth thread here either.&nbsp; &nbsp; Makes a metric system seem desirable.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />FWIW, I found this...&nbsp; in AU,&nbsp; replacement 1/4-20 threaded knobs that otherwise come with the Stroboframe 300 shoes.<a href="http://avsuperstore.com.au/stroboframe-replacement-mounting-screw-for-flash-mount-1-4-thread-with-knob.html" target="_blank">AV Superstore: Stroboframe Replacement - Mounting Screw for Flash Mount - 1/4' Thread with Knob</a>Price takes my breath away though.&nbsp; The Stroboframe 300 shoes with the knobs are $8.78 US here<a href="http://www.bhphotovideo.com/c/product/50546-REG/Stroboframe_300_405_Shoe_General_Purpose.html" target="_blank">Error</a>There are two Stroboframe 300 shoes, this &quot;General Purpose&quot; version with the knobs, and another one for flash brackets, seemingly without knobs, but the last I bought did have smaller knob screws with them.Photo shops that sell flash brackets surely will have &quot;camera screws&quot; that hold the camera (bottom tripod hole) onto the bracket. Or replacements for tripods too...Those will be 1/4-20.&nbsp;&nbsp; Probably pricey that way however.I would not call that handicapped.&nbsp; And shade will just need a slower shutter speed.&nbsp; If Bright Sun,&nbsp;&nbsp; Sunny 16 says 1/100 second f/16 at ISO 100, so then f/2.8 is only 1/3200 second anyway.You would need f/2 or higher ISO to use a faster shutter, in bright sun.If you have shade, you may have no need for FP, almost like indoors.&nbsp;&nbsp; Shade could possibly be f/4 at 1/100, or f/2.8 at 1/200, regular flash&nbsp; mode (which runs circles around FP, power, distance, speed).</blockquote>

[QUOTE="WayneF, post: 350593, member: 12496"] I wouldn't know where to find a Whitworth thread here either. Makes a metric system seem desirable. :) FWIW, I found this... in AU, replacement 1/4-20 threaded knobs that otherwise come with the Stroboframe 300 shoes. [URL="http://avsuperstore.com.au/stroboframe-replacement-mounting-screw-for-flash-mount-1-4-thread-with-knob.html"]AV Superstore: Stroboframe Replacement - Mounting Screw for Flash Mount - 1/4' Thread with Knob[/URL] Price takes my breath away though. The Stroboframe 300 shoes with the knobs are $8.78 US here [URL="http://www.bhphotovideo.com/c/product/50546-REG/Stroboframe_300_405_Shoe_General_Purpose.html"]Error[/URL] There are two Stroboframe 300 shoes, this "General Purpose" version with the knobs, and another one for flash brackets, seemingly without knobs, but the last I bought did have smaller knob screws with them. Photo shops that sell flash brackets surely will have "camera screws" that hold the camera (bottom tripod hole) onto the bracket. Or replacements for tripods too... Those will be 1/4-20. Probably pricey that way however. I would not call that handicapped. And shade will just need a slower shutter speed. If Bright Sun, Sunny 16 says 1/100 second f/16 at ISO 100, so then f/2.8 is only 1/3200 second anyway. You would need f/2 or higher ISO to use a faster shutter, in bright sun. If you have shade, you may have no need for FP, almost like indoors. Shade could possibly be f/4 at 1/100, or f/2.8 at 1/200, regular flash mode (which runs circles around FP, power, distance, speed). [/QUOTE]

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