Reviews Precise Focal Length - BestBuyersPro.com

VILTROX EF-M2II Focal Reducer Booster Adapter Auto-Focus 0.71x for Canon EF Mount Series Lens to M43 Camera GH4 GH5 GF6 GF1 GX1 GX7 E-M5 E-M10 E-M10II E-PL5

Compatibility: Viltrox EF-M2 II is an upgrade version of EF-M2, allowing Canon EF series lenses to be used on M4/3 cameras, such as GH4 GH5 GF6 GF1 GX1 GX7 GX85 E-M5 E-M10 E-M10II E-PL5.
0.71x Focal Reducer Converter: focal length is multiplied by 0.71 based on the original (equivalent focal length = focal length x 0.71), which helps enlarge 1 stop aperture.
AF Functions & Adjustable Aperture: auto focusing function, increasing the lens 1 f-stop and the amount of light into the virtual background, better highlight the theme.
adjust the aperture directly from camera to control the lens’ actual aperture.
Material & Design: bayonets are made of metal with surface plating treatment, being durable and sturdy.
inbuilt copper electronic contacts and IS function, making focus precise and clear, with 1/4″ thread tripod foot at the bottom, etc.
USB Firmware Upgrade: Equipped with USB interface, can realize software upgrade. Can 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..

Compatibility: EF-M2 II electronic lens converter allows Canon EF series lenses to be used on micro four thirds (mft) cameras, such as G6 G7 GH3 GF6 GF7 GX7 E-M5II E-PL7 E-PL8 E-PM2 E-P3 E-P5..
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 stop aperture..
Function: auto focus (AF), EXIF signal transmission, increase the lens 1 f-stop and the amount of light into the virtual background, help to better highlight the theme.
adjust the aperture directly via camera to control actual aperture of lens..
Material & Design: bayonets are made of high quality metal with surface plating treatment, being durable and robust.
optical glasses built in 4 groups / 5 glasses.
with 1/4" thread tripod foot at the bottom.
firmware can be upgraded via a micro USB port etc..
Performance: smooth operating and quick focusing.
use gold-plated PIN needle to transmit signal, greatly enhancing its transmission performance.
inbuilt copper electronic contacts and IS function, making focus precise and clear..

High resolution performance: edge-to-edge sharpness from the center to the corners of the frame is achieved by the precise arrangement of 10 lens elements in 8 groups. This lens also includes two aspherical elements, which serve to suppress the image degrading effects of chromatic aberration and field curvature imperfection..
Compact, lightweight and Stylish design: weighing in at 5. 47oz (155G) and measuring just 1. 79in (45. 4mm) in length, This lens offers up the renowned image quality and refined style associated with the Fujinon XF family of lenses. With its metal exterior, precise click Stops, and smooth dampening, this lens offers incredible image quality in a durable aesthetically pleasing appearance..
Fast and quiet autofocus: the inner focusing AF system uses a stepping motor to move focusing elements into place through precise electrical pulses, in order to achieve fast and near-silent autofocus performance..
Weather and dust resistant durability: The lens is designed to operate in temperatures as low as 14° Fahrenheit and is Sealed at nine points around the barrel, making it both weather and dust resistant..

Focal length equivalent when using lens on APS-C format camera is 38.4mm.
Tilt/Shift functions allow for precise perspective and depth of field control.
Aspherical and low-dispersion lens elements minimise aberrations for sharp resolution and accurate colours.
UMC coating on lens elements provides even light transmission and minimises reflections, flare and ghosting.

Bundle includes: Pair of Focal Chora 816 2.5-way bass reflex floorstanding loudspeaker, Black, Focal Sub 600P Black 600 Watt Closed Subwoofer, and Focal Chora Center 2-Way Sealed Center Loudspeaker, Black.
FCHORA816BK - New speaker drivers with exclusive Slatefiber cone, developed and manufactured in France by Focal.
FCHORA816BK - 6-1/2” (16.5cm) Slatefiber midbass Dynamic and precise.
JMLSUB600PBL - Closed subwoofer for faithful reproduction of bass frequencies.
FCHORACCBK - Center speaker for a complete Home Cinema system.

Please note: number on the lens designates the diopter, not the magnification.
Matched set of Lenses prismatically ground and polished to precise optical standards.
Lens conveniently flips up and away when not in use.
Ergometric soft genuine leather headband backed with wool felt designed from natural material to help wick moisture away.

...eniently be stashed in an accessory case between uses. "Dovetail guide scope bracket installs on virtually any astrophotography telescope quickly and easily..
The sturdy metal housing made of black anodized aluminum. Looking out not only solid, but is also very robust. A milled and knurled ring allows easy and precise fine focus adjustments. It comes with matching pipe clamps and a Synta-style mounting plate to make assembly and installation as easy as possible..
Have a built-in worm-focuser with Brass Compression Ring and 2 thumbscrews,45mm focusing range (10mm focusing range with micro-focusing Helical focuser, the rest is by a fixable, scaled drawtube) is made possible by an extremely precise focus adjustment. The mechanism has a determined orientation: This is mounted cameras or eyepieces - and thus also the area with your guide stars - not rotate during focusing..

Compact Deluxe Mini Guide Scope with a built-in helical focuser for precise focusing of guide stars.
Designed for use with the Orion StarShoot AutoGuider (sold separately), and astrophotography telescopes up to 1500mm focal length.
Non-rotating camera collar will not cause the attached autoguider to rotate during focus adjustments, ensuring the field of potential guide stars will....
Adjustable-aim dovetail guide scope bracket installs on virtually any astrophotography telescope quickly and easily.

Focal length and maximum aperture: 35mm 1:2.
Lens construction: 10 elements in 8 groups.
Rear focusing system with USM focus adjustment.
Closest focusing distance: 0.24m/0.79 ft,Focal Length : 35mm Comparable APS-C 1.6x Focal Length: 56 mm.Lens Construction:10 elements in 8 groups.