Видео с ютуба 2.8 Apeture

Do You Need Pro f/2.8 Lenses? | Ask David Bergman

Sticky aperture blades in Carl Zeiss Distagon 2.8 / 25 T* for Contax / Yashica

Эта диафрагма упрощает ночную уличную фотосъемку

Pentax-M 28mm 2.8 Disassembly and Sticky Aperture Repair

F2.8 vs F1.8 vs F1.4 | Will there be a difference in bokeh? (Prime vs Zoom)

Zoom против Prime: портретный вызов 50 мм f/1.4 против 24–70 мм f/2.8

I was using APERTURE WRONG until I learned this

F 2.8 Aperture in Landscape Photography | Canon EOS 5D Mark II

Anamorphot 40 on the Sigma 45mm & 90mm / 2.8 - Aperture ramp in close focus

Aperture’s Deceptive Truth Exposed | Full Frame vs MFT

[Mobile01] Nikon 24-70mm f/2.8E Aperture Changing Speed

[Mobile01] Nikon 24-70mm f/2.8G Aperture changing speed

Working with Mamiya-Sekor C 1:2.8 f=80mm Sticky aperture blades and Stiff focus ring PART 1

How to clean aperture oil on Mamiya Sekor C 80mm 2.8 N 645 lens

Липкие лепестки диафрагмы на русском языке MC VEGA-28B 2.8/120_____ЧАСТЬ 1

Oil on the aperture blades in Mamiya-Sekor-C 1:2.8 f=45mm

Sticky aperture blades in Nikon Nikkor 45mm 1:2.8 P

I was using Aperture WRONG until I learned this

[Mobile01] Nikon 24-70mm f/2.8G Aperture Changing Speed

Panasonic 12-35mm 2.8 aperture blades fail