Linked Questions

0
votes
2answers
12k views

What do the lens parameter abbreviations mean? [duplicate]

Possible Duplicate: What do all those cryptic number and letter codes in a lens name mean? Canon EF 50mm f/1.8 II What does EF, II mean? Sigma 10mm/F2.8 EX DC Fisheye HSM compatibil Canon ...
-1
votes
2answers
7k views

What does f/4.5-5.6G stand for on a Nikon Lens? [duplicate]

Can you please explain me what is 4.5 - 5.6G in a lense description.And how it is different from other generation of like 3.5G or 6.5. "Nikon AF-S DX NIKKOR 55 - 300 mm f/4.5-5.6G ED VR Lens"
0
votes
1answer
8k views

What does “OS” mean on a Sigma lens? [duplicate]

I want to buy a Sigma 180mm F/2.8 EX DG Macro OS HSM Sigma. What does EX mean? What does DG mean? What does OS mean? What does HSM mean?
2
votes
1answer
2k views

whats with the nikor lens naming using the letters D + G? [duplicate]

Possible Duplicate: What do all those cryptic number and letter codes in a lens name mean? Nikon 50mm f/1.8D Nikon 35mm f/1.8G what does the D and G distinction mean on these lenses and why ...
1
vote
3answers
582 views

What does it mean when 'HD' is printed on a lens? [duplicate]

Do the two letters mean High Definition? Are they called HD lenses? How do they differ from normal (SD?) lenses? Please include a plenty of details in your answer..
0
votes
1answer
636 views

Nikon lens naming [duplicate]

Possible Duplicate: What does all those parts in a lens name mean? I'm thinking about buying myself a new lens for my Nikon and I have a question about the naming conventions Nikon uses for its ...
0
votes
1answer
1k views

Is the Sigma 18-200 F3.5-6.3 DC Macro compatible with full-frame Nikon DSLRs? [duplicate]

Is the Sigma 18-200 F3.5-6.3 DC Macro lens compatible with the full frame D610?
1
vote
1answer
489 views

How to read lens specs [duplicate]

Can someone help me decipher the specs of a camera lens. Purely for example, I see a lens being advertised as: AF Nikkor 24-50mm 1:3.3-4.5 Wide Angle Zoom What is AF? What exactly does 24-50mm ...
0
votes
1answer
620 views

What is the difference between the AF-S 50mm f1.8G and the AF 50mm 1.8D? [duplicate]

I am curious to know what is the difference between an AF-S and AF lens. What makes AF-S more costly than AF? Is there any difference in image quality ?
-1
votes
1answer
131 views

What kind of lenses will work on an entry-level Nikon DSLR? [duplicate]

I am total noob at cameras/lenses so I don't know what I am buying. My cousin has asked me to bring 70-300mm or 18-300mm lens for his D3300. Now, I don't know what lens will be compatible with the ...
0
votes
2answers
58 views

How to know if a camera lens is for micro 4/3 cameras? [duplicate]

Hey guys I'm seeing this LUMIX G 42.5mm F1.7 ASPH lens but I'm not sure if it's for my micro 4/3 camera:
0
votes
2answers
82 views

Wide angle lenses that fit a Rebel T3i [duplicate]

Will a Canon EF 28mm f/2.8 IS USM Wide Angle Lens - Fixed work on a Rebel T3i? What does IS UMS mean?
33
votes
13answers
27k views

Should I buy a camera with kit lens, or body plus lens separately?

I am planning to buy a DSLR soon. Before I zero in on the model, I want to know whether it is advisable to buy a kit (body + 18-55 lens) or not? OR should I go for the camera-body and the lens ...
48
votes
3answers
390k views

What does STM mean on a Canon lens?

The Canon EF 40mm f/2.8 has a designation of STM on the lens. What does this mean? What are the advantages of having it and does it replace an older technology? We have a terminology thread that ...
31
votes
2answers
24k views

What is T-number / T-stop?

Usually, when discussing aperture of a lens, F-stop and F-number are used for quantifying. But some photographers, and especially videographers, also mention T-stop. The concept and numbering used (e....

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