The Gossen Adapter Kit/Battery Holder for Luna Pro Meter is used to convert meters with mercury batteries to silver oxide.
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Most Liked Positive Review
More than it looks
The adapter kit is for older CdS Gossen meters that use a stack of two 1.3V mercury cells: Luna Pro, Luna Pro S, Lunasix 3 and probably others.
The kit includes two commonly...Read complete review
The adapter kit is for older CdS Gossen meters that use a stack of two 1.3V mercury cells: Luna Pro, Luna Pro S, Lunasix 3 and probably others.
The kit includes two commonly-available 1.5V silver oxide batteries (SR44) and a tube that centers them in the meter. The tube looks like some kind of hard plastic with a plate or cap at one end. It you look carefully inside the tube, you will see that the metal end has a small, raised, "button" in the center. This seems to connect to a tiny voltage regulator than brings the voltage down to what the meter requires.
In case the included instructions are not clear enough, the + ends of the batteries are "up" --- that is, when the batteries are in the adapter, the + end will be at the open end of the adapter. If you put them in backwards you get no voltage at all through the adapter.
I don't know how accurate the voltage regulation is. My volt meter indicated 3.2V for two SR44s in series, and 2.9V through the adapter.
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Most Liked Negative Review
Didn't work
This adapter did NOT work in my Luna Meter. The needle doesn't move at all when it is installed. If I put in 625A batteries of the incorrect voltage, the needle will even register...Read complete review
This adapter did NOT work in my Luna Meter. The needle doesn't move at all when it is installed. If I put in 625A batteries of the incorrect voltage, the needle will even register, albeit the wrong exposure settings; but this adapter kit does not work at all for me. Complete waste of money[...]
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
Finally!! I get to use my old Gossen Luna Pro. Works as advertised and my meter tells the truth. If you need it, get it. It works.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
Allowed me to use my Gossen Luna Pro from the 1960's with the now current batteries available.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
I received the adapter kit in great time. I opened the battery compartment in the Luna Pro S, turned it on and it works perfectly. The adapter wasn't a "force" fit and it doesn't rattle around. My Gossen Luna Pro S is a classic, it's it superb condition and it is perfectly accurate. Now I can use common batteries to power it.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
I am very happy with the kit.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
Does exactly what is needed to keep using an excellent product that was unusable due to lack of batteries.
Prime use is for very long exposures that internal meters can't handle.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
a no brain solution
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
I use it in my light meter.
It's great b/c it works.
The only thing that could make it better is if there was a picture of a dinosaur or a robot on it.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
The Battery Holder seems to work very well. Now I can use my Luna Pro gain without worrying about where to find batteries.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
I've used a great many light meters but my old Luna Pro is by far my favorite. When the mercury batteries finally gave out, I ended up shelving it. I was thrilled to find this little kit and ordered it right away, in spite of the seemingly high cost.
It's so simple, it does everything its supposed to do and nothing it isn't. The only factor is the cost. But when I consider all my other meters that never quite measured up to my Luna Pro, the decision to purchase was obvious. Now all my newer meters are retired to the shelf and my Luna Pro is back where it belongs in my kit.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
I was very skeptical about this product. After receiving it in the mail. I immediately put the batteries and the sleeve inside the battery compartment. Pressed the test button and bingo! It worked. I compared it to my Nikon D3 and the metering was very close, I adjusted the zero balance on the meter and it was instantly on par with the Nikon's in camera meter. Great product, it was worth the price!
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
Skeptical as could be. However: Super easy install. Works as promised. Made my Luna Pro come back to life!
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
I tested the batteries with a digital volt/ohm meter and the voltage reduction was spot on.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
When i dug up my old Luna6pro meter I was dismayed that the batteries were dead but more so by the fact that I couldn't find replacement batteries.Two days later... the old meter is working again!This adapter kit with batteries fits the bill.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
Simple to install and worked as expected. I can now use my light meter again for night photography.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
I bought an old Lunasix Pro meter off a friend, not realizing it used mercury batteries. I tried using an alkaline (although higher voltage) replacement, but the meter readings were off.
After seeing this adapter on B&H, I thought I would give it a try.
Installation takes less than a minute and the kit even includes batteries.
This adapter fits and works perfectly, now I have a light meter!
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
If you have an old Luna Pro or Lunasix 3, but don't have the money for an internal conversion, by all means this is the way to go.
I found an old Lunasix 3 and after having read about the limited life of Wein aircells, just went ahead and got this adapter kit. I haven't looked back and am very thankful for this alternative!
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
I have a Lunasix 3 that I used frequently for incident light measuement until I could no longer obtain the PX 625 batteries. Upon receiving the Gossen battery adapter, I bent the base contact in the Lunasix battery compartment up by about an eigth of an inch, and then set the Gossen battery adapter and the silver oxide cells in place. The battery check is correct and the Lunasix 3 is again operational.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
Works perfectly
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
The adapter kit is a must for Gossen Luna Pro to extend the use.
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Comments about Gossen Adapter Kit/Battery Holder for Luna Pro Meter:
A bit pricey but very quick and easy to install. It's just the price we have to pay to keep on using our older equipment
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