Fisheye 2.1mm Lens

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Product Description:



1/3" CCD or CMOS

Focal Length

2.1 mm


0.3 Mega

Aperture (F/NO)




Field of View (Diagonal)


Optical Total Length

25.16 mm






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Q:Camera lens broken glass, you can repair it
Sure to be able to repair. In the sale where the lens can be replaced.
Q:What is the meaning of the camera lens 18-55
Is the meaning of the focal length, 18-55 represents the shortest focal length of 18mm, the longest focal length of 55mm
Q:Digital camera after the start of the lens telescopic non-stop
Digital camera after the start of the lens telescopic non-stop, this failure occurred in the shutter and power switch together with the digital digital camera. After the start of the lens telescopic non-stop, mostly caused by poor contact with the power switch, Light, repeated switch many times (must remove the battery), troubleshooting. Serious can also be their own solution, the method is still the first to remove the battery, and then use a small amount of high-precision syringes, Carefully dripping into the switch, while repeatedly moving the power switch n times, ten minutes after the battery, boot, everything is normal. If you can not solve, the landlord on the cup, and that is: the lens is broken, you need to spend some real money
Q:Yaxika mechanical camera lens, if the use of Y / C conversion bayonet switch to the digital camera, what brand should buy digital camera
Y / C port can now be easily converted to: 1. Canon EOS digital camera, because the Canon EF card mouth diameter is very large, you can easily transfer the other port of the lens, you need to buy Y / C to EF (EOS) interface ring, the current domestic ring in two, one Kind is not with coke tips, about 100 yuan, with about coke tips about 250 yuan, there are high precision copper ring, the price is high, not recommended to buy. In addition the Canon all EOS camera transfer other port lens can achieve body metering, you can use M and A file exposure
Q:Nikon camera lens shows how the memory card is locked is going on
There are two possibilities, one is a SD card on the other side of the LOCK can be a. The other is the camera card slot is broken, need repair.
Q:Camera lens has a fingerprint how to do?
4. Really die, only to send professional maintenance department cleaning. (After the first two steps, the theory should be able to remove the fingerprint)
Q:SLR camera lens bayonet size is the same
Bayonet uniform are F bayonet, the general Nikon SLR lens can be installed. But the lens has the manual head (AI-S) and the automatic head (AF, AF-S) of the D and G type. AI-S manual head in the low-end digital SLR and low-end film machine can not be a good application, because the metering, in the digital SLR only D200, D300, D700, D3, D3X and D2 series can use the manual head Metering, because the bayonet has a ring to receive the aperture size. Other cameras can also according to, that is, can not metering. There D5000, D60, D40X, D40 fuselage mount no AF coupler, can not use the AF head auto focus. Only use AF-S head.
Q:There are several camera lens, Canon
Fixed focus lens because of its focal length fixed, so the better classification: wide-angle lens: generally less than 35mm lens for the wide-angle lens, less than 28mm for the ultra-wide angle lens. Wide angle lens wide, deep sense of strong, the scene will be deformed, more suitable for shooting larger scenes of photos, such as construction, rallies and so on. Medium focus lens: generally in the 36mm to 134mm lens for the focus lens. In the lens is relatively close to the normal perspective and perspective, the scene deformation is small, suitable for shooting portraits, landscapes, travel commemorative photos and so on. Telephoto lens: generally higher than 135mm lens for the telephoto lens, also known as telephoto lens.
Q:Nikon D3100 SLR camera lens blur how to adjust
Z or look near the optical viewfinder (I have seen generally have a bar or side there is a pull wheel), find the rear strokes or turn under, should be able to adjust to a clear line of sight for the LZ
Q:The cameras are digital and the film is costly. My Phoenix SLR camera lens 28-70mm spent more than a thousand dollars to me, and the use of value?
Recently, Pentax has been his parent company TAG Heuer sold to Ricoh, Pentax after the situation, or not too good to say.

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