← LensFinder03 — Specification
Reference no. SAMYANG-300MM-F-4-0-S-55
Samyang

300mm f/4.0 S

RF mount · 300 mm · f/4

01
Mount
RF
02
Focal length
300 mm
03
Max aperture
f/4
04
Weight
1061 g
05
Filter thread
58 mm
06
Stabilisation
No
07
Weather sealed
Yes
Live pricing
opens at retailer

Prices vary daily. Check current cost for Samyang 300mm f/4.0 S directly at each retailer.

05 — Chapter

Performance by subject

04 — Chapter

Reference notes

I

Overview

The Samyang 300mm f/4.0 S is a 300mm prime for RF mount at f/4, weighing 1061g. It has no optical stabilization. The body is weather-sealed for outdoor use.

II

Intended user

  • Center sharpness enthusiasts
  • Build quality enthusiasts
  • Autofocus speed enthusiasts
  • Fans of professional
III

Advantages

  • Center sharpness — 95/100
  • Build quality — 95/100
  • Autofocus speed — 90/100
IV

Trade-offs

  • Travel — 20/100
  • Astrophotography — 20/100
  • No optical stabilization — pair with a stabilized body or use faster shutter speeds.
  • Heavy at 1061g — noticeable on long handheld sessions.
V

Field use

  • 01A dependable everyday lens for a wide range of subjects.
VI

Buying advice

New price sits around $5,033. Rentals run about $173/day. Buying breaks even after roughly 29 rental days — try it before you commit if you're unsure. The used market for this lens is usually healthy — a lightly-used copy can save 20–30%.

VII

Alternative options

06 — Chapter

Reviewer consensus

Aggregate up to 20 independent YouTube reviews into a single consensus profile: score, confidence, pros, cons, and best use cases.

08 — Chapter

Same mount, related