User manual
Opteka 500mm f 8 HD Telephoto

User Manual for Opteka 500mm f 8 HD Telephoto Mirror Lens for T Mount

• Product category: SLR Lenses Opteka
• Brand: Opteka
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
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Product description

• This reflex lens is compatible with full-frame and smaller-sized sensors and features a threaded T-mount, which is compatible with a variety of optional adapters for mounting to various camera mounts.

• Catadioptric system with Cassegrain design helps to reduce the overall size and weight of the lens while still providing a super telephoto 500mm focal length.

• Multi-coated optics help to reduce lens flare and ghosting for increased contrast and color fidelity.

• Manual focus design offers a minimum focusing distance of 5.5' with a maximum magnification of 1:2.7 for close-up shooting.

• Both a front 72mm filter thread and a rear 30.5mm filter thread are available, and this lens includes 30.5mm ND-2X, 30.5mm ND-4X, and 30.5mm skylight filters.

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Technical parameters

Opteka 500mm f/8 Mirror Lens Specs

Focal Length	500mm
Maximum Aperture	f/8
Minimum Aperture	f/8
Lens Mount	T-Mount
Format Compatibility	Full-Frame
Maximum Magnification	0.37x
Minimum Focus Distance	5.5' / 1.68 m
Optical Design	9 Elements in 8 Groups
Focus Type	Manual Focus
Image Stabilization	None
Filter Size	72 mm (Front) 30.5 mm (Rear)
Dimensions ( Rating 80% users recommend this product to others. And what about you? This product has already been rated by 02 owners. Add your rating and experience with the product. Discussion Ask our technicians if you have a problem with your settings, or if anything is unclear in the user manual you have downloaded. You can make use of our moderated discussion. The discussion is public and helps other users of our website who may be encountering similar problems. Post new comment to Opteka 500mm f 8 HD Telephoto Mirror Lens for T Mount Subject: Manual Opteka 500mm F8 HD Telefoto para Pentax Date: 15.01.2022 14:41:44 Name: José Lima Recién adquirí un objetivo telefoto y deseo tener toda la información disponible. Post reply Post a new topic / query / comment: Items marked with * are required. Your name *: E-mail : Subject *: Message *: Your email address will not be displayed. Do not forget to fill it in if you want to receive a reply to your enquiry/contribution. Processing of personal data in accordance with GDPR