• PX400 Batterieadapter für Pentax Spotmatic SP & Fujica ST
  • PX400 Batterieadapter für Pentax Spotmatic SP & Fujica ST

  • A published review after an order earns a discount code for the next order.

  • Eingesetzter Batterieadapter mit Knopfzelle im Batteriefach einer Pentax Spotmatic SP neben dem offenen Batteriedeckel
  • Eingelegter Batterieadapter mit Knopfzelle und rotem Dichtungsring im Batteriefach einer Pentax Spotmatic
  • Rückseite einer Knopfzellenverpackung mit Barcode und Recycling-Symbolen
  • Grafik mit englischer Anleitung zum Einsetzen des Batterieadapters in die Kamera
  • Spannungsmessung mit einem Multimeter an einer Knopfzelle mit eingelegtem Adapter
  • Verpackung mit sechs Knopfbatterien des Typs A312 für Hörgeräte
1 10

PX400 battery adapter for Pentax Spotmatic SP & Fujica ST

PX400 battery adapter for Pentax Spotmatic SP & Fujica ST

7 reviews

Fits:

Pentax Spotmatic SP, SP-II, SP-IIA, 1000 and 500, Fujica ST601, ST701 & more. See all models

Type
€19,95 EUR
€19,95 EUR
Bundle offer Sold out
incl. VAT · free shipping 🟢 In stock · 26,000+ customers since 2019
Bart D.Reviving my first SLRI bought these to be able to use my Pentax SP500 again after a period of more than 20 years. These work really well. Simple and efficient 👍 Jonas L.Passt perfekt und funktioniert einwandfrei in meiner Pentax Spotmatic SP! HPWBestellt Geliefert PASST! Jederzeit wieder. Klaus G.Einwandfreie Lieferung!!!!! Thomas G.Und es hat funktioniert!Alles bestens, der Belichtungszeiger schlägt aus. Danke. Hier gibt es tolle Angebote.

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  • Delivers the correct metering voltage: The P312 zinc-air cells provide a stable 1,35V under load, exactly the voltage the light meter of the old Spotmatics and Fujicas was built for.
  • Replacement for the no longer available mercury cell: The original mercury batteries are no longer sold, while modern 1,5V alkalines lead to incorrect readings.
  • Sits firmly in the battery compartment: The included rubber ring centres the smaller cell and makes contact without it wobbling loosely in the compartment.

Compatibility

Suitable for various cameras, including:

  • Fujica: ST601, ST701 [...]
  • Honeywell: Spotmatic 1000, Spotmatic 500, Spotmatic SP, Spotmatic SP-II, Spotmatic SP-IIA [...]
  • Pentax: Spotmatic 1000, Spotmatic 500, Spotmatic SP, Spotmatic SP-II, Spotmatic SP-IIA [...]

Not sure whether the battery fits your camera? Here is a complete list of all cameras that take the PX400 battery type.

Scope of delivery

2x Adapter & Batteries

  • 2x centering ring (rubber)
  • 6x zinc-air battery type P312

Refill pack: batteries type P312

6x zinc-air battery type P312

Technical details

  • Material: rubber (O-ring)
  • Battery type: zinc-air P312
  • Voltage: 1,35V (under load)
  • Replacement for: PX400 / EPX400 / V400PX

Description

Your Pentax Spotmatic needs a battery with a constant 1,35 V; from the factory, this was a mercury cell. These cells are no longer available today, which is why this set mechanically adapts P312 zinc-air hearing aid batteries to the required format: a rubber centering ring holds the smaller cell in the battery compartment, and under load it delivers a stable 1,35 V, exactly the voltage the light meter was built for. Also fits the Fujica ST601 and ST701.

Electrically, the zinc-air cells are the direct replacement for the old PX400, EPX400 and V400PX types. The light meter works correctly without you having to adjust the camera. The rubber ring establishes the contact.

Note: zinc-air batteries are activated by peeling off the seal. Wait about one minute before inserting them into the camera.

Frequently asked questions

Why not a regular 1,5 V alkaline? Alkaline cells start at 1,5 V and drop over their lifetime. The Spotmatic's light meter is designed for a constant 1,35 V and gives incorrect readings with alkaline cells.

How do I activate the zinc-air cells? Peel off the seal, wait about one minute, then insert them into the camera.

What is included in the set? The “2x Adapter & Batteries” variant contains 2 rubber centering rings and 6 zinc-air batteries type P312. The refill pack contains 6 batteries without rings.

Which battery types does the set replace? PX400, EPX400 and V400PX.

SKU: 1032 Show full details

Customer reviews

5.0 out of 5

Based on 7 reviews

Transparency note: As a thank-you for a published review after an order, we send every customer a discount code for their next order, regardless of the star rating.

Customer photos and videos

  1. Jonas L.Verified purchase

    Passt perfekt und funktioniert einwandfrei in meiner Pentax Spotmatic SP!

  2. Bart D.

    Reviving my first SLR

    I bought these to be able to use my Pentax SP500 again after a period of more than 20 years.
    These work really well. Simple and efficient 👍

  3. HPWVerified

    Bestellt
    Geliefert
    PASST!
    Jederzeit wieder.

  4. Helmut S.Verified

    Alles super

  5. Klaus G.Verified

    Einwandfreie Lieferung!!!!!

  6. Thomas G.Verified

    Und es hat funktioniert!

    Alles bestens, der Belichtungszeiger schlägt aus. Danke. Hier gibt es tolle Angebote.

  7. SebastianVerified

    Sehr schnelle Lieferung. Artikel wie beschrieben. Gerne wieder.

After a purchase we ask for a review by email. New reviews appear automatically; we read them afterwards and never remove one because of its star rating. “Verified purchase” means the review came through the review link of an order in our shop. “Verified” marks older reviews that our previous review service, Judge.me, had labelled as verified. Reviews imported from Amazon are labelled and not included in the average. How we collect and check reviews

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You want innovative solutions instead of mass-produced goods? With us, you don’t buy from an anonymous wholesaler, but directly from the founders. We (Anto & Vladi) started our startup in 2019 in Würzburg to help you revive analog photography.

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We don’t sell anything we wouldn’t use ourselves. We are engineers and camera nerds, and we know that precision is especially important in camera technology. That’s why we design our parts ourselves in Würzburg, and we print and assemble most of them here too. Batteries and rechargeables come from other manufacturers, for example Varta.

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