What size snoot (or cap) for old Bogen Mono 4000?

keithostertag · Feb 4, 2020

I have an old Bogen/Bowens Mono 4000 monolight I'd like to buy a snoot for.

What is that size fitting called? The protective cap is approx 6.5" diameter, uses two screw bolts on either side of the head to tighten.

I see some inexpensive snoot/honeycomb combos being sold which say: "for Bowens mount studio strobe", but they are not the correct size since they are only 3.9" dia (see as an example: https://amazon.com/Neewer-Aluminium-Honeycomb-Monolight-Photography/dp/B0788MZTRQ/)

I need to know what the correct size is called so I can locate one.

Thanks,
Keith

AgX · Feb 4, 2020

I was in the belief that "Bowens mount" meant one specific bayonet.

bdial · Feb 4, 2020

Based on pictures I could find of that unit, it doesn't look to have what has become the standard Bowens reflector mount. What is the spacing between the two screws, and the diameter of the flash tube?

If the flash tube is small enough to fit in a modern Bowens mount, it may be possible to retrofit a mount using the mounting screws you have. Another possibility might be to find a "speed ring" large enough to fit, and drill mounting holes to match the screw locations. That would let you mount the various light boxes and other modifiers that use speed ring mounting onto it.

MattKing · Feb 4, 2020

I have an even older (early 1970s?) version of those. As best as I can tell, there are no current light modifying accessories made for them. There may be something out there that is adjustable and could be made to work.
Here is a photo of one like mine:

keithostertag · Feb 4, 2020

@AgX: yep, that's what I thought as well... I guess mine of are an older generation

@bdial: maybe... i could find an extra cap or speed ring to DIY one... As stated, distance between mounting screws is about 6.5"

@MattKing: Mine are maybe just a little more recent than yours and might be the same size? Here's an old photo... I'll get around to doing one of the front end later.

AgX · Feb 4, 2020

I guess(!!) the way to go is to tinker an adapter from an aluminium sheet that shall form the flange of the female part of the Bowens bayonet and adapt that to your 2-screws lock, maybe by riveting 4 flanges to that new sheet-ring.

keithostertag · Feb 4, 2020

Maybe I'll post a wanted in the ad section... for a snoot, cap, or speed ring...

MattKing · Feb 4, 2020

Mine has a built in connector for an umbrella that it appears has been removed from yours.

keithostertag · Feb 4, 2020

@MattKing If you look carefully at my second photo, there's a hole to insert an umbrella and a locking screw to tighten it down... If I'm reading your photo correctly, you connector is attached exterior to the main "can" of the unit, whereas mine is inside the "can".

MattKing · Feb 4, 2020

keithostertag said:
@MattKing If you look carefully at my second photo, there's a hole to insert an umbrella and a locking screw to tighten it down... If I'm reading your photo correctly, you connector is attached exterior to the main "can" of the unit, whereas mine is inside the "can".

Correct!

What size snoot (or cap) for old Bogen Mono 4000?

keithostertag

AgX

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What size snoot (or cap) for old Bogen Mono 4000?

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