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24

Yes, all Pentax DSLRs accept all K-mount lenses. This includes autofocusing (if applicable), focus confirmation, metering, IS, etc. The oldest two series, K and M series (database), do not have aperture contacts, and thus do not work with Av and Tv mode. Instead, you'll have to use M mode, but you will get meter readings. It can also suggest a shutter ...


17

The short answer is: save it as a TIFF. PSD may once have been considered the more "native"/modern Photoshop format, but no longer. Jeff Schewe (the Photoshop Guru's Guru) advised way back in August 2007 on the Luminous Landscape forums that choosing TIFF over PSD was his strong recommendation. I quote: Look, I'll make it REAL simple... TIFF = ...


15

This is a particularly thorny question with Nikon. On one hand, Nikon still uses the same basic mount as their very first SLRs did shortly after the second world war was over. On the other hand, over the years they've had to come up with quite a few variations on that mount. As a result, the exact degree of compatibility between a particular lens and camera ...


15

In talking with a number of working pros, the general attitude tends to be that you buy lenses to keep and you buy bodies to upgrade. My personal planning mirrors this; I've tried to invest in higher quality lenses that i expect to own for a while (10-15 years) while given how body technology is changing, upgrading a body every 2-3 years doesn't surprise me. ...


15

I think this question boils down to a balance between backwards compatibility and technological progress. You can strive to maintain the ultimate in backwards compatibility, and never change a lens mount. Some camera manufacturers have succeeded in that, such as Nikon and Pentax, to a large degree. However, what is the long term cost of progress there? ...


11

Yes, there are. Most DSLRs are backwards compatible with lenses of film DSLR from the same brand. The main exceptions are Olympus, Panasonic and Sony. Canon changed its mount completely when they introduced autofocus, so you will have less luck there. Nikon manual focus lenses are compatible with higher-end bodies (D90, D300S, D7000, D3S, D3X, etc). ...


7

Yes, if it is an old flash, it is possible that the trigger voltage is around 200V. However, according to some information from Chuck Westfall (Canon USA official), all bodies since the EOS 20D should withstand this voltages (I don't have the link, but you can search Google and it will pop up in one of the many forums). To be on the safe side, you can get ...


6

A good lens is a lasting investment that will outlive generations of camera bodies. But you should be aware of these general considerations when buying a lens. The greater the zoom range the lower the resolution, the greater the distortions and the smaller the maximum aperture. This is an unavoidable law of lenses. Thus a prime lens is capable of the ...


6

The Nikon SLR lenses are designed such that the image circle falls on the sensor/film plane based on the distance from the sensor to the mount (flange focal distance). For an SLR, this distance includes the space needed for the mirror. As the Nikon V1 doesn't have a mirror, the distance from the sensor to the mount point is substantially smaller, so in order ...


5

Ignoring issues of mechanical wear on lenses (which is difficult to quantify) and focussing on changes of format etc. the real problem is with changes to the registration distance, the distance from the film/sensor to the lens mount. When Canon moved from the FD to EF mount the registration distance increased and this made the FD lenses incompatible, when ...


5

Is your lens autofocus? If so, your new camera will need the autofocus drive - many of Nikon's newer, entry level dslr's don't have one. Most of my older lenses are MF (Manual Focus). I have a 30+ yr old MF Nikkor 135mm that works great on my D700. It's been "AI'd" which means someone cut a notch in the part of the lens's mounting ring so that the newer ...


5

In addition to K-mount, there were Pentax 645 and Pentax 67, both are medium formats. Those lenses are quite heavy and you'll need an expensive adapter for them. Before K-mount, Pentax used a screw-mount called M42; you'll need an adapter to use an M42 lens. There's a huge selection of those lenses available. Adapters are not too expensive, available from ...


5

TIFF is more widely supported. Many programs don't deal with PSD because the format is very complicated. TIFF on the other hand is like a "standard" image format along with JPEG and PNG. Both TIFF and PSD can preserver layers information. Both of them can handle 16 and 32 bit image. However PSD can contain much more than that. Since it is the native ...


4

The Pentax dSLR line supports the entire K-mount lens line up through its history. In addition, with adapters, you can easily use old screw mount (M42 or commonly called the "Pentax" mount) lenses or even Pentax medium format lenses, many of which were top notch. In any event, to use manual lenses with the new Pentax cameras, you just enable use of aperture ...


4

It depends. The Canon flashes you listed in your question use pulsed light from the Master unit to tell the Slave units when to fire and how much power to emit. This allows proprietary communication between the Master and Slave units and allows for use of Canon's E-TTL automatic exposure system as well as permits the photographer to set manual power levels ...


3

The lenses will fit but will not autofocus as the D3100 does not have an in-camera focus motor and requires AF-S lenses for auto focus. If you wish to use AF with your lenses, then you should consider the D7000 or a model with 1 to 3 numbers in its name (D300S, D700, D90, D3S, etc). Note that the angle-of-view of your lenses will be different if you do not ...


3

If you buy a high-quality AF G lens today for your Nikon, it should still be perfectly useful with a new body in a few years. The odds of Nikon doing an overhaul of the lens mount in that time seem slim. That's one big upside of SLRs/DSLRs; you can buy lenses and bodies independent of each other.


3

This particular model looks like a generic, "dumb" slave that will work with anything. Look at the list of brands it supports, and it calls itself "universal". So, yes, it's very likely that it will work. Some flashes are "dedicated": they work with a specific system only. If you buy a third-party flash — that is, not from your camera brand directly — the ...


3

It depends on what you call "work". The flash does not support PTTL, so you'll get a flash that will require you to operate it (or your camera?) manually (to enter ISO, length, apperture, shutter speed, etc.). The documentation writes "Flash control: Automatic at F2.8", so it is not clear how you adjust it for other appertures or ISO values. If you are ...


3

You would have to upgrade Lightroom or Elements, as only the latest versions support the 6D. The Canon 6D requires Camera Raw 7.3, which is compatible with Lightroom 4.3 Photoshop CS6 According to Adobe, Photoshop Elements 11 only supports ACR 7.0-7.2. However, it appears the 7.3 update may be applied to PS Elements 11.


3

Sony no longer makes DSLRs but they do make cameras, which they call SLT, that directly accept A-mount lenses. Those lenses will work fully with any such camera. If you go with the full-frame SLT-A99 (high-end model), they will show exactly the same field-of-view as with a film camera. Otherwise, you can get a cropped-sensor model with a focal-length ...


2

The two lens compatibility resources that I know of are nikonians.org and Ken Rockwell. A caveat is that they only deal with Nikon lenses; it's a harder question to answer with your Tamron. If it really is like a Nikon G VR lens, then with the FM3A it won't work at all, but it won't damage your camera to attach it. On the other hand, everything including ...


2

Assuming your lens will work fully on the body you choose (see the other answers), you've still got to decide whether you want to buy a new lens or not. There are a few issues besides compatibility: New lens features: Your old lens probably doesn't come with VR, whereas a lot of the new kit lenses do. Also, a modern kit lens may have better glass than your ...


2

If you can afford it, I'd go for the D7000. It has great specs and you will be able to use all your AF lenses too. Although the D3100 is a great camera, my son has just purchased one an it's awesome. However, good lenses are what really counts in photo taking. Keep and use your old lenses to their full potential.


2

All your stuff should be compatible in that it will allow you to take pictures and should meter correctly. However, the D3100 lacks an in body focus motor and will not autofocus your two older lenses. If that's important to you, consider the D90 or D7000 which have the required in body motor.


2

The 277T (I think you have an extra 7 in your model number) should be fine, as referenced in Photo Strobe Trigger Voltages. If you're still not sure, you could always email Canon support to find out, but a quick Google check shows that it is being used on modern Canon dSLRs.


2

This depends on the lens mount that the company uses now, and the lens mount they used in the pre-digital days. Nikon still uses the same basic mount - the F-mount. I've never owned a Nikon dSLR, so I've never tried this myself, however I understand that older Nikon lenses produced from the '70's on will be able to mount on a newer Nikon camera. You may ...


2

You shouldn't have any problems with a grip designed for the T2i working on a T3i. They have the same body shape on the bottom, and both use the same battery. As you said, the Canon grip is identical - the BG-E8, so there is no reason why other brands wouldn't work the same. The only reason one of them wouldn't work for some reason is if it had extra ...


2

Yes, assuming the Sigma lens you are talking about is designed for Nikon F-mount. Been a Ultrasonic-type motor (ie/ the HSM), the lens "Sigma 18-200mm F3.5-6.3 II DC OS HSM" will be able to focus on all models of Nikon DSLR. In addition, with F-mount lenses, only the Screw Drive-type motor (ie/ the non- AF-S or AF-I lenses) requires Nikon camera body to ...



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