Adapter ring is used between camera(or projector) and lenses,it could mount kinds of conversion lenses,such as telephot lens,wide angle lens,fisheye lens,and so on. Adapter rings are labeled from the......

0.65X projector lens is for Epson EMP-X5 projector.Total length of the projector lens is 109.2mm,external diameter of small end is 77mm,external diameter of big end is 134mm

Wide-angle lenses are great for capturing the expanse of a mountain view, or for giving one an appreciation of the entirety of an organism's habitat. Specification of our wide angle lens as f......

Plano-Convex Cylindrical lenses have a positive focal length, which makes them ideal for collecting and focusing light for many imaging applications Plano-convex cylindrical lens,plano-concave cyli......

Achromatic Lens is an achromatic consists of a positive low-index Crown Glass lens element cemented to a negative high-index Flint Glass lens element. The elements are chosen so as to cancel chromatic......

telephoto lens has a narrower angle of view,it thus gives apparent magnification to objects,it also seems to compress distant things, and there is less depth of field. The most obvious is to allow pho......

reflector,also called Mirror, is a smooth,highly polished surface covered a thin coating.Mirror is usually a thin coating of metal or dielectrics. China star optics designs and manufactures a g......

Multi-function hand-free recording system , for anyone who loves recording all the funs in sports or other activities or whatever evidence as well as for anyone who loves making videos, taking pictur......

Heavy Duty Double Arm Articulating Mount with complete assembly of Universal adapter plate Suitable for for all 23" to 32 " Flat Panel Displays Maximum weight capacity up to 25kg/55lbs +......

TV mount suitable for 32" to 63 " LCD and plasma screens VESA 400*200 400*400 600*400 800*600 Distance from tv to wall is 84mm for tilt version Loading capacity:250 lbs Material steel P......

The specification as follow: Material:Bk7 A glass,Quartz,CaF2 or crystals. Dia tolerance:+/-0.1mm Squares/Rectangles:1mm-110mm+/-0.2mm Center thickness tolerance:+/-0.1mm Surface quality:60-......

1)ruled area .70*70mm Wavelength Range0.2-0.8μｍ Grooves Per mm1200L/ｍｍ-3600L/mm Diffraction>70% Ruled Gratings 2)Specifications: Ruled area.70*70mm Wavelength Range 0.2-15μm Grooves P......

The specification of our achromatic lens as follow: Material: Bk7,Quartz,Caf2,Crystal Diameter:5mm-300mm Diameter tolerance:0.01mm-0.1mm Edge Thickness:1mm+/-0.10mm Focal length:0.1%-2% Surfac......

The Specifications as follow: Material:Filter Glass,BK7 Dimension: 4mm-160mm - 0.20mm Squares/Rectangles:1mm-165mm Thickness:0.5mm-4mm Thickness tolerance:+/-0.01mm-0.1mm Paralism: Up to 3 Arc ......

27mm,28mm,30mm,37mm,46mm,52mm,58mm,62mm,67mm,72mm all line of 0.45x wide conversion lenses and 2.0x telephoto lenses; 37mm and 52mm 0.42x fisheye lenses and 3.0x telephoto lenses; 72mm/82mm 0.7x wid......

M25,27,28,30,30.5,34,40.5mm,43mm,46mm,49mm to 37mm M37,40.5,43,49,55,58,62 to 52mm M52,55 to 58mm M55,58,62,67 to 72mm M67,72,77 to 82mm

Including telescope lens Project lens Medical x-ray imaging lens,high quality and competitive price must meet your requirements.

The Specifications as follow: Material:Filter Glass,BK7 Dimension: 4mm-160mm - 0.20mm Squares/Rectangles:1mm-165mm Thickness:0.5mm-4mm Thickness tolerance:+/-0.01mm-0.1mm Paralism: Up to 3 Arc ......

Magnification: 170. fish eye Lens construction: 4 elements in 4 groups Dimensions: 25 (diameter) x 15 mm (length) Weight: 10.8g With this lens, you can see the image with the range of more than 1......

Digital Camera Binocular 2.1 Mega PixelWith SD Card slot for expandable Mass storage function ( USB plug and play ) With digital video function. D......

3.0MP CMOS interpolate 5.0MP Resolution:2560X1920(5M) 2048X1536(3M) 640 x 480 (0.3) 640X480(VGA) Image Format: Still Image--JPEG Movie--AVI Movie:LO--320X240 @30 fps,HI---640X48......

Flexible tripod grip your camera wherever you want. Capacity: Compact digital cameras Max Weight: 275g (9.7 oz) Size: 150 x 30 x 30mm (5.9 x 1.2 x 1.2") Weight: 45g (1.6 oz)

Flexible Tripod for SLR camera Max Weight:1200g Size:250x50x50mm Weight:165g Packing:50pcs/ctn 69x41x38cm G.W. 12.5KGS We aslo have plenty kind of mini-tripod and lightweight tripod,we are sp......

Softens and reflects light for soft, enhancing shadows Eliminates glare and hot spots (also known as CCD bloom) Bathes object in light for beautiful dimensional lighting Works with daylight or a......

Folding Height: 500mm Max Operating Height: 1280mm Net Weight: 715g Max Loading Capacity: 2KGS

Material: aluminum alloy More stable and versatile Lightweight and compact 3/8-inch screw camera attachment 35mm SLR and DV camcorders Digital photography and videography requires support sy......

BRAND NEW SIMPLE TO USE SETUP IN SECONDS!! LIGHTWEIGHT GREAT TO GIVE YOUR RECORDINGS A PROFESSIONAL STEADY LOOK REDUCES VIBRATION & SHAKING WHILE TAPING PERFECT EYE LEVEL L......

SX-25D is a combo card reader, a USB HDD enclosure and provide mobile data backup from memory cards onto the HDD without connecting to a PC. It is mobile digital storage/backup device, and an ideal ph......

storXtreme SX-18D is a combo card reader, USB 2.0 HDD enclosure and provide mobile data backup from memory cards onto the HDD with it built-in Li-ion battery. It is mobile digital storage/backup devic......

Multimedia Box is the new design product combined the digital photo frame with DVB-T function. On this ingeniously designed frame, you can also run photo slideshows and play the music at the same time......