Canon EF 300mm f/4 L IS USM vs Canon EF 75-300mm f/4-5.6 III
Side-by-side used price and spec comparison. Lowest current prices pulled daily from the major used-gear sites.
Lowest now
$429
MSRP
—
Prices are rising
Used prices have been rising recently. Prices are up 19.2% over the last 30 days. The 90-day low was $219, $210 below today.
Lowest now
$33
MSRP
$199
-83% vs MSRP
Prices are rising
Used prices have been rising recently. Prices are up 50.0% over the last 30 days. The 90-day low was $18, $15 below today. Currently 17% of the $199 MSRP.
Specs side by side
| Canon EF 300mm f/4 L IS USM | Canon EF 75-300mm f/4-5.6 III | |
|---|---|---|
| Brand | Canon | Canon |
| Family | — | Canon EF |
| Category | lens | lens |
| Body type | — | — |
| Mount | Canon EF | Canon EF |
| Sensor | — | — |
| Megapixels | — | — |
| Lens type | prime | zoom |
| Focal length | 300mm | 75–300mm |
| Aperture | f/4.0 | f/4.0–f/5.6 |
| Weight | 1190 g | 480 g |
| Filter thread | 77mm | 58mm |
| Length | 221 mm | 122 mm |
| Diameter | 90 mm | 71 mm |
| Construction | — | all-plastic |
| Released | 1997-01-01 | 1999-04-01 |
| Discontinued | — | — |
| Status | active | likely discontinued |
| MSRP | — | $199 |
| Current low | $429 | $33 |
| vs MSRP | — | -83% |
Both cameras appear in
Curated best-under lists where both of these qualify today.
The verdicts above describe price timing. They don't tell you which camera fits your shooting style. See /methods for how we normalize seller conditions and compute the deal score.