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| *SoulEyes Photography>>>Camera Lens |
Why is it that telephoto lenses for digital cameras are more expensive than standard ones? |
even if they both go up to the same zoom? why is one more expensive than the other? They are not ... really. If the zoom range on a full frame lens is say 80-200 mm, then it is the same lens you use on any digital SLR of the same brand. Same lens, same price. Except for the high end digital cameras, removable lenses are relatively new and require many hours of research and development. This can be very expensive until the R & D is paid for. Conversly, Analog cameras have been around for decades, the technology is older and sales are down because most everyone uses digital cameras today. Given time, the competition and market forces will bring the digital lenses within reach of the average consumer.. Check the min f stop some have variable apertures which change as the focal length does. More expensive telephotos are prime or fixed focal length that have a fixed aperture. |
| Related information |
If only you'd taken the time to READ the instruction sheet. It says: "Apply a small amount of the lens cleaning solution to a lens tissue. Never apply any liquid directly to the lens.&quo... The lens barrel is threaded for 46mm filters/accessories. It's somewhat of a weird size for filters. If you can't find what you're looking for in that size you can try a step-up r... Like en camera said it should focus too infinity. Is there a focus limiter on the lens? It's a device on the lens too keep it from traveling from minimal focus distance to the maximum focus di... I don't know about the Opteka, but my Sony tele-lens screws onto the supplied adapter ring for my H2. If this is the tele-lens you bought, it does say it comes with instructions. ... Using the convex formula will help 1/f = 1/u + 1/v 1) maximum range will be at infinity as this will focus the image at 50mm closest is when lens is extended out to 70mm giving v= 70 so with f... "Blurry" has to do with camera movement. Shooting using the LCD to compose your shot at arm's length can exacerbate the problem. When indoors, use the flash as much as possible or ... Here are some simple things to try first for a camera that won't power on. They won't work for every case, but they're worth a try: ... Here is a link to all you need to know. ... |
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