Fotodiox Pro Lens Mount Double Adapter, Mamiya RB67/RZ67 Mount and Canon EOS (EF/EF-S) D/SLR Lenses to Fujifilm G-Mount GFX Mirrorless Digital Camera Systems (Such as GFX 50S and More)

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3.0(1 rating)In stock

Good price

$255.45 is 11% below the $287.45 it normally sells for, and the lowest we've seen in 141 days.

Now: $255.45
Normally: $287.45
Lowest in 141 days: $255.45(Nov 12)
Highest: $302.30

Evidence: Strong141 days tracked53 price changeschecked 1h ago

Where today's price sits

Now $255.45Normal $287.45$302.30

View on amazon.com

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

Price history

Tracked since Jun 24 · 141 days · 53 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 11% below its normal price of $287.45. Fotodiox Pro Lens Mount Double Adapter, Mamiya RB67/RZ67 Mount and… price history, checked Nov 12, 2026: current price $255.45, normal (typical) price $287.45, average $287.46 over 141 days, lowest $255.45 (Nov 12, 2026), highest $302.30 (Sep 17, 2026).

Price
Not checked for 3+ days
Normal $287.45
5% or more below normal

How often does it drop below normal?

In the 141 days we've tracked it, it hasn't stayed 5% or more below today's normal price for an hour or more. It's below normal right now, for less than an hour so far.

A count of what happened, not a prediction.

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Get this as JSONThe same verdict and prices, from the TrackPin API.

GET/api/v1/product/B0718SR63F

Request

curl https://trackpin.co/api/v1/product/B0718SR63F \
  -H "x-api-key: $TRACKPIN_API_KEY"

const res = await fetch("https://trackpin.co/api/v1/product/B0718SR63F", {
  headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();

console.log(product.verdict.label, product.price.reference_cents);

import os, requests

r = requests.get(
    "https://trackpin.co/api/v1/product/B0718SR63F",
    headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()

print(product["verdict"]["label"], product["price"]["reference_cents"])

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key

Live responseAs of 23:52 UTC

{
  "asin": "B0718SR63F",
  "title": "Fotodiox Pro Lens Mount Double Adapter, Mamiya RB67/RZ67 Mount and Canon EOS (EF/EF-S) D/SLR Lenses to Fujifilm G-Mount GFX Mirrorless Digital Camera Systems (Such as GFX 50S and More)",
  "image": "https://m.media-amazon.com/images/I/61rbFNPRjbL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Photography",
  "category_label": "Photography",
  "in_stock": true,
  "price": {
    "current_cents": 25545,
    "reference_cents": 28745,
    "discount_pct": 11.13,
    "is_deal": true,
    "observed_at": 1794522362963,
    "changed_at": 1794521478224,
    "checked_at": 1794522362963,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 11.13,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $255.45 is 11% below the $287.45 it normally sells for, and the lowest we've seen in 141 days."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 25545,
    "max_cents": 30230,
    "avg_cents": 28746,
    "history_days": 141,
    "price_levels": 252,
    "price_changes": 53,
    "distinct_prices": 3,
    "lowest_at": 1794521478224
  },
  "history": [
    {
      "price_cents": 30230,
      "from": 1789674033385,
      "to": 1789674033385
    },
    {
      "price_cents": 28745,
      "from": 1789674400948,
      "to": 1789674400948
    },
    {
      "price_cents": 30230,
      "from": 1789687915209,
      "to": 1789687915209
    },
    {
      "price_cents": 28745,
      "from": 1789688306142,
      "to": 1794503633189
    },
    {
      "price_cents": 25545,
      "from": 1794521478224,
      "to": 1794522362963
    }
  ],
  "last_seen": 1794522364257
}
// … 247 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.

Fotodiox Pro Lens Mount Double Adapter, Mamiya RB67/RZ67 Mount and Canon EOS (EF/EF-S) D/SLR Lenses to Fujifilm G-Mount GFX Mirrorless Digital Camera Systems (Such as GFX 50S and More)

Price history

How often does it drop below normal?

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