Open

by damned truths

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

An optical 'zoom' or 'variable focal length' lens is one that has a range of focal lengths at which it can operate. "Digital zoom" is a technology which simulates optical zoom by cropping the image.

learn more… | top users | synonyms

5
votes
2answers
1k views

Can't auto-focus at full zoom

I have a Canon 1000d, and the standard lens EF-S 18-55mm. Recently I was out taking photos and I've noticed that if I zoom in fully, the lens can't auto focus. I can still take shots using manual ...
4
votes
4answers
3k views

Best all-around ~$600 standard zoom lens for Canon?

I have a Rebel T2i, I was wondering what standard zoom lens is the best around $600. I'm mainly shooting landscapes / cities / peoples. I've done some research and came up with 17-50, 18-55 from ...
2
votes
1answer
351 views

What camera is very similar to the Canon G11/G12, but with greater optical zoom and shooting speed?

I will be taking wildlife and scenery photos demanding a much greater zoom than the 5X that the canon G11/G12 has. The rest of the features (except the shooting speed) are very nice as is the price ...
8
votes
1answer
549 views

Why is the Canon MP-E 65mm F/2.8 Macro Lens not called a zoom?

The Canon MP-E 65mm works differently than my other macro lenses. Compare: With a standard 35mm macro, I can frame first and then adjust focus which only changes framing very slightly with. With the ...
7
votes
5answers
2k views

How much different are the Tamron 17-50mm f/2.8 stabilized (VC) and non-stabilized versions?

I have seen these 2 lenses being suggested by many people across the site as general purpose zooms and an upgrade to the typical 18-55mm kit lenses. The price difference seems to be around $200 (~INR ...
6
votes
1answer
266 views

How many moving elements in a Canon A490?

I got mugged a few days ago, but got my camera back in the end. Bonus: I got some sand too. I now have the camera in pieces, cleaning them as I go along, and the lens barrel extends and retracts ...
5
votes
2answers
1k views

Is there a Tamron 70-200mm lens which is optically superior to the Canon 70-200 f2.8 IS?

In the June 2011's Popular Photography magazine (Canada, hard copy, pg. 90) in an article titled "Star Power", on a one page overview of the Canon 70-200mm f2.8L IS II USM, the author (Julia Silber) ...
5
votes
2answers
1k views

Tethering to Control Zoom on Nikon DSLR

Most Nikon DSLR have a tethered capture option, however I haven't come across any of them that controls the zoom of the DSLR. I guess the zoom is controlled manually by rotating the ring on the lens. ...
4
votes
3answers
1k views

Are prime lenses sharper than normal or telephoto zoom lenses?

Example: The prime lens Nikon 1.4F G is said to be very sharp at F3.5. So, if I compare that with the normal or telephoto zoom lens's F3.5, will the level of sharpness be same? If no, then will the ...
4
votes
5answers
1k views

Why does the quality of my pictures lower the more I zoom in?

I have a Canon 60D with the 18-200mm kit Lens. I was at the beach not too long ago, I took some pics of my son in the sand, from a very close distance and they came out great. Picture quality was top ...
3
votes
1answer
300 views

What do I need in order to mount my zoom lens onto a tripod?

I just purchased a cheap Opteka zoom lens and it is super long -- over two feet when fully elongated. It has built-in a tripod mount and I have no idea how to use it. I currently own a Vanguard ...
2
votes
0answers
802 views

Where can I compare telephoto zooms? 200 vs 300 vs 500 mm?

I have a 200mm telephoto zoom lens. I would like to see the zoom distance between the 200mm compared to 300mm and 500mm. Are there any sample comparison images anywhere I can look at?
0
votes
2answers
740 views

How does the Tamron AF 28-75mm f2.8 compare to Canon EF-S 15-85mm f/3.5-5.6 IS USM?

I am looking to buy a good walk around lens for t3i to finally upgrade from my kit lens. My current preference is Canon 15-85. however I am wondering if I should get Tamron AF 28-75mm f2.8. I am ...