Reviews Aperture Blades

Sony Carl ZEISS Sonnar T E 24mm F1.8 ZA E-Mount Prime Lens

Employs the legendary "Sonnar" optical design for standout image dimensionality and presence.
Seven aperture blades form a near circle, which results in a pleasing defocused effect on the background of your image when the aperture is set wide....
Allows for 1/4 macro shooting with accurate focus as close as 6.2 inches (16cm).
Direct Manual Focus (DMF) allows for direct manual focusing after autofocus lock-on without having to switch modes.
Lens operation is fast but at the same time smooth and quiet, minimizing noise and image jitter when shooting movies.

Flexible use of F1.8 large aperture, easy to obtain soft blur effect, you can also use low sensitivity and higher shutter to shoot in low light environment, it adopts an optical structure of 9 lenses in 8 groups, and the lens has a nano-multilayer coating process, which can effectively increase the light transmittance and suppress back-light ghosts and glare..
YN85MM F1.8S is designed with 7 circular aperture blades, it can shoot circular diffuse spots. It can also take pictures with 14 star effects if the aperture is appropriately reduced..
It's designed for full-frame Sony E-Mount cameras, supports Auto Focus and Manual Focus, it's quipped with quiet DSM stepping motor, can quick start-stop response, high focusing accuracy, and quieter focusing action, which is suitable for photo shooting and video recording.
The lens is equipped with a low-dispersion glass lens, which can effectively suppress the dispersion problem, and it also supports USB Type-C firmware upgrade, you can download the latest firmware to upgrade the lens to keep the lens at its best performance.
The lens adopts high-precision metal bayonet and gold-plated contacts, which can effectively improve signal conductivity and corrosion resistance. At the same time, it can maintain reliable co....

Optically constructed of 14 elements in 10 groups (1 Asperical, 1 Hybrid Asperical, 2 ED, 3 High Refractive).
Built-in lens hood and a soft lens pouch is included.
Features ultra multi-coated glass and 9 aperture blades.
Angle of view of 115.7 degrees on full frame and 93.9 degrees on APS-C.

Full frame coverage with aperture range of T1.5 – T22.
New DS line that is color matched with other Rokinon DS lenses and have unified gear and aperture positions among all Rokinon Cine DS lenses.
63.1 degrees angle of view on full frame cameras & 43.2 degrees angle of view on APS-C. 8 diaphragm blades.

EF 50mm f/1.8 STM is a compact, lightweight fixed focal length lens ideal for everyday photos, and with a large f/1.8 aperture, a perfect lens for....
EF-S10-18mm F4.5-5.6 IS STM is an EF-S ultra-wide zoom lens with an impressive starting focal length (16mm in 35mm equivalence). For expansive scenery....
A stepping motor (Gear-type STM) supports the Movie Servo AF function in providing smooth and quiet continuous AF during video recording, as well as....
EF 50mm f/1.8 STM:Minimum focusing distance of 1.15 ft. (0.35m).
maximum magnification of 0.21x. EF-S 10-18mm f/4.5-5.6 IS STM:Full-time manual focus....
EF 50mm f/1.8 STM :Circular aperture (7 blades) helps deliver beautiful, soft backgrounds.Metal mount helps provide stability and ruggedness.

High performance L-series ultra-wide-angle zoom lens with constant f/2.8 maximum aperture..
All-new optical design for significant improvements in outer and corner sharpness..
Sub wave length Coating (SWC) and Air Sphere Coating (ASC) help to significantly reduce flare and ghosting..
Highly resistant to dust and water intrusion, enabling shooting even in harsh conditions..
Circular aperture (9 blades) helps deliver beautiful, soft backgrounds. Not an Extender Compatiblity. Magnification with Extension Tube EF12 II- 0.65 at Tele (Not compatible at Wide). Magnification with Extension Tube EF25 II- 1.14 at Tele (Not compatible at Wide).Lens Construction:16 elements in 12 groups.Filter Size: 82 millimeter, P=0.75 millimeter: 1 filter.

Multi coated lens: A multi coated lens element reduces ghost and flare to deliver high optical performance (12 elements in 9 groups, [1 UHR lens and 2 aspherical lenses]).
Near silent focusing for video and still: inner focus system enables excellent resolution and contrast from full life size magnification to infinity.
stepping motor makes focusing action smooth and near silent for use in video and photo recording.
Lumia optical image stabilization: Panasonic Mega O. I. S. Makes it easy to shoot super clear shots even in low lit situations by suppressing the blur caused by a hand movement.
Medium zoom lens: A 45 150mm (35mm camera equivalent: 90 300mm) focal length with F4. 0 5. 6 ASPH provides a versatile medium zoom range of daily situations.
Seven aperture blade construction: The lens’ seven aperture blades produce an attractive smoothness in out of focus areas, even when shooting at large aperture.

Angle of view: 76° to 28° 50'. Maximum aperture-f/3.5, to 5.6. Minimum aperture-f/22, to 38.
Fully Compatible with the following Nikon Digital SLR cameras, including: D7500, D5600, D5500, D5300, D3400, D3300, D500, D850.
Compatible models with limited functions: Df, D5, D810, D750, D7200, D7100.
Incompatible models: D4 Series, D3 Series, D2 Series, D1 Series, D800 Series, D700, D610, D600, D300 Series, D200, D100, D7000, D5100, D90, D70 Series, D3200, D3100, D3000, D60, D50, D40 Series.