Reviews Lens Focal Length

Canon EF 85mm f1.2L II USM Lens for Canon DSLR Cameras - Fixed

Ring-type UltraSonic motor (USM), Focal length : 85mm, Closest focusing distance : 3.2 feet.
EF mount, medium telephoto lens, High-speed AF and circular aperture create shallow depth-of-field.
111mm focal length for APS-H sensors, 136mm for APS-C sensors, Lens not zoomable.

Compatibility: EF-EOS M2 lens converter allow Canon EF mount series lenses to work with Canon EF-M mirrorless cameras M M2 M3 M5 M6 M10 M50 M100.
0.71x Focal Reducer : Focal length is multiplied by 0.71 based on the original ( equivalent focal length = focal length x 0.71 ), which helps enlarge 1 level aperture.
Strong Functions: auto focusing function, increasing the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme.
Wonderful Performance: use PIN gold needle to transmit signal, greatly enhancing its transmission performance.
optical glasses built in 4 groups / 4 glasses.
enjoy EXIF signal transmission, AF(auto-focus) and adjustable aperture, etc..
Equipped with USB interface, convenient for software upgrade.
achieve perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.

[150° Wide Angle] This IP camera lens supports 150° wide angle, which gives you a full vision. Makes whole situation under control..
[2.5mm F-number High Definition] This IP camera lens adopts high F-number up to 2.5mm to give you a super clear vision..
[2.1mm Focal Length] Adopting 2.1mm focal length to make every detail so clear that no message will be missed, thus preventing danger..
[IR Lens] This CCTV lens supports night vision which gives you a 24-hour protection. So reliable..
[Precise Compatibility] The M12 x 0.5 lens is widely suitable for both 1/3'' & 1/4'' CCD chips with no stuck or conflict..

Collapsible, portable electric zoom lens.
3x zoom range covers everything from landscapes to portraits.
Remote control of zoom available with smart phone app.
Optional auto closing lens cap available. Closest focusing distance-0.2m (focal length 14mm) / 0.25m (focal length 42mm).

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.

MEET DIFFERENT MAGNIFYING: With 4 Replaceable/interconvertible magnification lens, 1.5x at 15" Focal Length/2.0x at 10" Focal Length/2.5x at 7" Focal Length/3.5x at 6" Focal Length..
SPONGE DESIGN: Soft and Light, breathable sponge inside will make you will feel comfortable when operating, even if you work and wear it for a long time, it will not put pressure on your head..
ADJUSTABLE HEADBAND: Hands free handband strap improves comfort when wearing, two knobs on both sides can adjust the height of the magnifier to meet your request view angle. easily fit your head without discomfort..
WIDELY APPLICATION: Hands-free multi-power combined lens magnifications meet your variety requirement use: jewelry making, reading, painting, observing, watch-making, repairing, beading, close work, needlework, artwork, and other hobbies/crafts. A very important visual tool for persons involved in the watch, delicate instrumentation and small work..
ADJUSTABLE VISOR: Visor can be tilted up and down as needed, and moved out of the way when no longer required. Can be worn over prescription glasses or safety goggles..

MEET DIFFERENT MAGNIFYING: With 4 Replaceable/interconvertible magnification lens, 1.5x at 15" Focal Length/2.0x at 10" Focal Length/2.5x at 7" Focal Length/3.5x at 6" Focal Length..
SPONGE DESIGN: Soft and Light, breathable sponge inside will make you will feel comfortable when operating, even if you work and wear it for a long time, it will not put pressure on your head..
ADJUSTABLE HEADBAND: Hands free handband strap improves comfort when wearing, two knobs on both sides can adjust the height of the magnifier to meet your request view angle. easily fit your head without discomfort..
WIDELY APPLICATION: Hands-free multi-power combined lens magnifications meet your variety requirement use: jewelry making, reading, painting, observing, watch-making, repairing, beading, close work, needlework, artwork, and other hobbies/crafts. A very important visual tool for persons involved in the watch, delicate instrumentation and small work..
ADJUSTABLE VISOR: Visor can be tilted up and down as needed, and moved out of the way when no longer required. Can be worn over prescription glasses or safety goggles..