When I opened the package I found a semi-transparent (transparent top, bottom black) plastic cube well packaged. In it the lens stable secured in an upright position.
So far everything was okay ... Already at the engraved signature could be seen that it can not be high-quality.
And now to the objective itself:
The lens is loose at several places and rattles (in any direction). In loose and when screwed. For the focus, there are only the two indications "Near" and "Far", added as shown in the photo. For aperture setting, there is no fixed point of reference engraved. Thus, the information is basically unnecessary since you have no reference point.
The setting rings for aperture and focus loops noticeable on the thread,
The panel has no stop in the closing state. If you turn on fixed only for a brief moment the shutter in the closing state is destroyed within one second, the diaphragm blades which close in optics and open.
My Conclusion:
Even for those really low price is likely to be this product is not for sale as a commodity. If then as a toy.
Gart not only the lens describes the product description:
"This CCTV lens provides a high-quality lens with Alloy Housing
The C-mount lens, it offers the widest field of view image
This CCTV Camera Lens provides ultra clear vision for your camera
This lens is a 25mm lens incorporates advanced optical elements to ensure versatile image resolution and efficient light conductivity
The iris can be manually adjusted according to available light levels. "
I'd rather put again 10 - 20 euros more and buy me the next time a used lens on eBay or maybe Amazon.
I'm just disappointed.
Addition:
I bought at the same time a used Fujinon Zoom Lens TV in ebay, about 40 euros hats cost me. After I have a couple of old adhesive residues are removed it looks now like new. It is stable, the adjusting rings run clean, a fixed stop, definitive values and points of reference. Function properly.
