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Kraken de Mabini

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Posts posted by Kraken de Mabini


  1. For Sale:
    Nikon D800 - Subal ND800 Macro System Ready to Dive!

    Subal ND800 Housing, Nikon D800 Camera with Nikkor 60mm Macro Lens, and Port. Excellent  package, everything is in excellent, fully working condition, ready to take underwater photos. 
    The Subal ND800 has a built-in moisture detector, main O-ring, camera tray, viewfinder and port cover. All controls work smoothly and easily. . Spare main O ring included.  Never flooded. no dins or scratches.

    777019842_1D800_resize.JPG.6fa74aeef41f998529f0db754b5d0ac6.JPG

    243630791_2D800_resize.JPG.71e19641239a29d10b0b0e2284032fc2.JPG

     

    1104983406_3D800_resize.JPG.d95dd905044e878d9091c600316ba8d7.JPG
     
    916827937_4D800_resize.JPG.336b5c698ad1dac6ccb969c27c70c738.JPG
     
    1375343840_5D800_resize.JPG.069e562ca4a2aad8a51db804e68cb6b1.JPG
     
     
    The Subal EXR 3/110 mm Port has a like new glass, no scratches or dings. Two O rings are included.
     
    Nikon D800E digital camera. Serial # 3008839, original box with battery, charger, manuals, shoulder strap, cables, etc, in excellent condition, no dust or fungus, no dings or scratches. CF memory card included. 

    The Nikkor 60mm Macro Lens f/2.8 D has front and rear lens covers, no scratches, dust or fungus, works perfectly, is in like new condition.  

    1956639044_6D800_resize.JPG.cc333b3132e76585f159c4bf9a377fee.JPG

     

    Housing & Camera Package = $ 2,499. 

    Paypal, Free shipping in the USA, $100 to other countries. 
    My eBay rating is 100% buyer satisfaction. Please send a PM for more information or if you have any questions.


  2. Thank you both for your useful replies.  The idea of printing one and using spring loaded pins, such as pogo pins, is neat.  The units available in photo stores are big, I just need a slim unit that fits in a tight container, such as a small housing.  The units used for flash triggers are what I am hoping to find.


  3. Hot Shoe Plug:  Would one of you know who makes and/or where I can buy some Hot Shoe Plugs?

    The photo stores, such as B&H, have compound plugs with add on's, but I just need the plug by itself so I can connect it to a cord or a battery. 

    124780247_3949745085054449_4172474834267788078_n.jpg.2ab5141a6fe8fe46a3a2c026036e4688.jpg


  4.  

    Sea&Sea Strobe problem:  It sounds as if the strobe's trigger is off, such that it flashes a bit after the camera's shutter has closed, and the flash does not show in the photo.

    The strobe's flash is controlled by a complex timing circuit that fires it for a defined length of time to control the brightness of the photo.  If this timing circuit is defective it may delay the onset of the flash, such that the strobe flashes is delayed.  It is a factory repair as the circuits are very complex and tightly packed, and can only be replaced by factory technicians. 

      This possibility can be checked by setting the shutter at 1/250 sec, the f stop closed at about f28. Set camera and strobe to M mode (for later pictures set to TTL).

     Now aim the camera (no housing), with the flash open, at a mirror, so the camera and strobe are reflected by it. Hold the strobe fiber-optic cable against the open flash, and take a picture: it should show the mirror reflection of both flashes. If it only shows the camera's flash, and the Sea&Sea strobe did flash, it may mean the strobe's firing is delayed by a defective internal strobe circuit.  If so, let us hope your local dealer can help.


  5. FREE TO GOOD HOME - Nikkor Lens, As Is.
    Nikon ED AF-S Nikkor 18-70 mm lens, f 3.5-4.5 G. Came with a second-hand camera, lens auto-focus does not work, but the manual focus and zoom work just fine. Body and lens glass are nice and clean, no lens scratches or body dings, includes front and back Nikon caps.

    Adoptive parent pays $15 US shipping, Paypal, contact me by PM.


  6. Onokai now has a new 4/3 adapter ring, as I sent him mine.

    Reef Photo in Florida sells this adapter as the "Subal 4/3 port bayonet adapter"
    SKU # sub.bjad34.
    This ring works as it should. With it one can plug a Subal Type 3 port or extension into a T4 housing or EXR extension.   Two small screws lock the adapter into the T3 port so that it can be plugged or unplugged from the T4 ring on the housing.   


  7. Another way to look at this flat port length issue Is to ask look at the basics, then do the real-ife test.

    1. Is the distance between the front of the lens and the inside of the port window important? 
    Let us consider what the light does: The light from the subject being photographed goes through the port glass, hits the lens and most of it goes through the lens to the camera's sensors.  A small (very small) amount of light bounces  back from the lens to the inside of the port window, and back to the lens, in ever diminishing, sub microscopic amounts, thanks to the coating on the lens and inside of the port window being clean.  This amount of ping-pong bouncing light is minute, and is not really affected by absorption by the air inside the port, nor by the distance between the port and the length, in the short, millimeter distances that we may realistically encounter.  (Two practical limitations:  1. A small amount of light bouncing around is unavoidable due to the unavoidable built-in entropy of the system. 2. If a port is too long or its inner diameter too small, the inside of the port will show in the camera's image.)

    In other words, for quality optical glass, the light transfer from port to lens is so efficient that we can ignore the distance between the inside of the port glass and the front of the lens and, within limits, can use a flat port to enclose the lens without worrying about how long it is.

    We can also concluded that the performance of an external, wet diopter is not affected by the distance between the port window and camera lens.    

    2. The operational, hands-on, approach is to assemble the camera, lens, housing and port in question.  For the answer, look in the viewfinder and take a photo. The quality of the viewfinder image and of the photo will tells us if the assembly, including port and lens, are working as they should.

     

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