Reviews Auto focus Cameras- BestItemr.com

Arducam Lens Calibration Tool, Field of View (FoV) Test Chart Folding Card, Pack of 2

This compact ruler allows you to determine if your lens is auto-focusing accurately as it should. It is an essential tool that is particularly useful when shooting with a shallow depth of field, where focusing should ideally be "spot on"..
You can use this ruler to determine how "off" the focusing is for a particular camera / lens combination and, on supported cameras, adjust the camera's auto-focus settings to resolve this.
On Nikon cameras, this feature is known as "AF Fine Tune". On Canon and Sony cameras, it's known as "AF Micro Adjustment". Please refer to your camera's instructions manual to see if this feature is present..
Package Included: Lens Focus Calibration Card X 2.

Ultra wide angle auto focus lens for Sony E mount full frame and APS-C cameras.
Aperture range of f/2.8 to f/22with a minimum focusing distance of 9.8".
Takes front 58mm filter size and has an angle of view of 100.1 degrees on full frame cameras and 76.2 degrees on APS-C cameras.
Designed with metal mount and glass that is strengthened with composite material for increased durability.
Includes Lens case, lens caps, instruction manual and Warranty.

Ultra wide angle auto focus lens for Sony E mount full frame and APS-C cameras.
Aperture range of f/2.8 to f/22with a minimum focusing distance of 9.8".
Takes front 58mm filter size and has an angle of view of 100.1 degrees on full frame cameras and 76.2 degrees on APS-C cameras.
Designed with metal mount and glass that is strengthened with composite material for increased durability.

Compatible with mainstream auto guiding cameras.
1.25in and M42 mount interface designed for compatible with SV305 Pro and for Orion ZWO QHY and so on auto guiding cameras(Some camera models require additional accessories to assist in focusing).
Ultra wide band fully multilayer coated lens.
doublet glass and the 30mm achromatic optics prevent irritating reflections can bring you bright and clear images.
Allows easy and precise focus adjustments and f4 aperture optics provides a very wide field of view which will help to quickly find the target when performing astronomical observations.
Comes with the mounting rings with plastic tipped screws as not to scratch the scope tube and it can be moved to any position.
By using high-level CNC metal processing technology.
SV165 guide scope has exquisite appearance.
fine workmanship bringing you visual enjoyment.

【Features】F1.8 large aperture, 6 blades in 5 groups, 7pcs Aperture blades. Auto Focus and Manual Focus.
A great prime lens that is an excellent addition to the Nikon 12-50mm kit lens.
Supports auto focus and manual focus modes.
Supports full-frame and APS-C format cameras.
Adopts gold plated metal contacts, which effectively improves the signal conductivity and corrosion resistance.
Supports M/AV/TV/P and other camera shooting modes, and parameters used to take pictures can be displayed in the EXIF Information.